Representative before the EPO

Company dna patentanwaltskanzlei kai kohlmann
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Kai Kohlmann has worked on the following 72 EPO patent applications which have been published in the last five years:

EP10857979

SYSTEM AND METHOD UTILIZING FIBER LASERS FOR TITANIUM WELDING USING AN ARGON COVER GAS

IPC classification:
B23K 26/14, B23K 26/20, B23K 103/14, H01S 3/067, H01S 3/10
Applicant:
IPG Photonics Corporation
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
GRANT OF PATENT INTENDED
EP10858239

HIGH POWER NEODYMIUM FIBER LASERS AND AMPLIFIERS

IPC classification:
H01S 3/05, H01S 3/067
Applicant:
IPG Photonics Corporation
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
GRANT OF PATENT INTENDED
EP10858764

FIBER WITH ASYMMETRICAL CORE AND METHOD FOR MANUFACTURING SAME

IPC classification:
G02B 6/02, G02B 6/26, H01S 3/067
Applicant:
IPG Photonics Corporation
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
GRANT OF PATENT INTENDED
EP10859974

BEAM SHAPER AND METHOD FOR LASER TREATING WORKPIECE

IPC classification:
B23K 26/04, B23K 26/06
Applicant:
IPG Photonics Corporation
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
EXAMINATION REQUESTED
EP13150376

Method and a device for eliminating errors in car body parts

IPC classification:
B21D 1/12, G01B 11/25
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
PATENT GRANTED
EP10856236

METHOD AND DEVICE FOR FABRICATING VOLUME BRAGG GRATINGS

IPC classification:
G02B 5/18, G03H 1/02, G03H 1/20, H01S 5/02
Applicant:
IPG Photonics Corporation
Agent:
no data provided
Status:
GRANT OF PATENT INTENDED
EP12704731

MACHINE AND METHOD FOR THE MATERIAL PROCESSING OF WORKPIECES BY WAY OF A LASER BEAM

IPC classification:
B23K 26/12, B23K 37/00, B23K 26/42
Applicant:
IPG Photonics Corporation
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
GRANT OF PATENT INTENDED
EP11864668

LASER-BASED MARKING METHOD AND APPARATUS

IPC classification:
B23K 26/00, B23K 26/18, B29C 59/16, C21D 1/09, C21D 1/34
Applicant:
IPG Photonics Corporation
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
EXAMINATION IN PROGRESS
EP11867802

SEMICONDUCTOR UNIT WITH SUBMOUNT FOR SEMICONDUCTOR DEVICE

IPC classification:
H01L 23/12, H01L 23/34
Applicant:
IPG Photonics Corporation
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
GRANT OF PATENT INTENDED
EP11871029

HIGH POWER FIBER PUMP SOURCE WITH HIGH BRIGHTNESS LOW NOISE OUTPUT IN ABOUT 974 - 1030 NM WAVELENGTH RANGE

IPC classification:
H01S 3/067, H01S 3/10
Applicant:
IPG Photonics Corporation
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
GRANT OF PATENT INTENDED
EP11855058

METHOF FOR STABILIZING OPTICAL OUTPUT POWER OF FIBER LASER

IPC classification:
H01S 3/067, H01S 3/094, H01S 3/0941, H01S 3/102, H01S 3/16
Applicant:
IPG Photonics Corporation
Agent:
no data provided
Status:
EXAMINATION REQUESTED
EP11857921

SYSTEM FOR DRIVING PULSED LASER DIODE PUMP

IPC classification:
H01S 3/091, H01S 5/042, H01S 5/06
Applicant:
IPG Photonics Corporation
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
GRANT OF PATENT INTENDED
EP12836452

HEAD ASSEMBLY FOR A LASER PROCESSING SYSTEM

IPC classification:
B23K 26/04
Applicant:
IPG Photonics Corporation
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
GRANT OF PATENT INTENDED
EP12769353

HEIGHT-ADJUSTABLE GOLF TEE HAVING A COIL COMPRESSION SPRING FOR DRIVING A GOLF BALL

IPC classification:
A63B 57/00
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12153721

Method and machine for material processing with a laser beam

IPC classification:
B23K 26/14
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11858874

BEAM COUPLER ALIGNMENT SYSTEM AND METHOD

IPC classification:
G02B 6/32, G02B 7/02, H01S 3/10, H01S 5/02, H01S 5/026
Applicant:
IPG Photonics Corporation
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
EXAMINATION REQUESTED
EP12847744

DYNAMIC HEIGHT ADJUSTING SYSTEM AND METHOD FOR A HEAD ASSEMBLY OF A LASER PROCESSING SYSTEM

IPC classification:
B23K 26/38, B23K 26/42
Applicant:
IPG Photonics Corporation
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
GRANT OF PATENT INTENDED
EP13175102

Outer packaging with insert and method for packaging

IPC classification:
B65B 7/20, B65B 7/28, B65B 51/05, B65B 59/02, B65B 61/22, B65D 5/50, B65D 77/26
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11855776

COMPACT SINGLE FREQUENCY LASER

IPC classification:
H01S 3/04, H01S 3/13, H01S 5/024
Applicant:
IPG Photonics Corporation
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
EXAMINATION REQUESTED
EP12860417

HIGH POWER SINGLE MODE FIBER PUMP LASER SYSTEM AT 980 nm.

IPC classification:
H01S 3/067, H01S 3/10
Applicant:
IPG Photonics Corporation
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
GRANT OF PATENT INTENDED
EP12859149

PIGTAILED FIBER CONNECTOR SYSTEM

IPC classification:
G02B 6/38
Applicant:
IPG Photonics Corporation
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
EXAMINATION IN PROGRESS
EP12859777

HIGH POWER FIBER LASER SYSTEM WITH DISTRIBUTIVE MODE ABSORBER

IPC classification:
G02B 6/02, H01S 3/098
Applicant:
IPG Photonics Corporation
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
GRANT OF PATENT INTENDED
EP12860680

HIGH POWER FIBER LASER EFFUSION HOLE DRILLING APPARATUS AND METHOD OF USING SAME

IPC classification:
B23K 26/38, B23K 26/40, B23K 31/00, B23K 103/00
Applicant:
IPG Photonics Corporation
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
GRANT OF PATENT INTENDED
EP13771410

DRUM HOIST WITH A DRIVEN MAIN SHAFT

IPC classification:
B66D 1/14, F16D 11/04, F16D 11/10, F16D 11/14
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13736101

SINGLE MODE SINGLE FREQUENCY LASER SYSTEM WITH HARMONIC GENERATION

IPC classification:
H01S 3/098, H01S 3/10
Applicant:
IPG Photonics Corporation
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
GRANT OF PATENT INTENDED
EP11864741

HIGH POWER SINGLE MODE FIBER LASER SYSTEM FOR WAVELENGTHS OPERATING IN 2 m RANGE

IPC classification:
H01S 3/00, H01S 3/067, H01S 3/094, H01S 3/10, H01S 3/16
Applicant:
IPG Photonics Corporation
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
GRANT OF PATENT INTENDED
EP12860767

HIGH POWER METAL CLAD MODE ABSORBER

IPC classification:
G02B 6/02, H01S 3/098
Applicant:
IPG Photonics Corporation
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
GRANT OF PATENT INTENDED
EP13702587

METHOD FOR PRODUCING A PLASTIC ARTICLE, AND PART OF A BLOW-MOULD

IPC classification:
B29C 49/20, B29C 49/42
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12773287

FILLING MACHINE FOR FILLING PACKAGING CONTAINERS WITH PRODUCTS, AND METHOD THEREFOR

IPC classification:
B31B 1/00, B31B 1/76, B65B 43/18, B65B 43/28, B65B 43/32
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP14166665

Blade for a sickle mower and sickle mower

IPC classification:
A01D 34/00, A01D 34/73
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
PATENT GRANTED
EP13702941

THERMOELECTRIC ELEMENT

IPC classification:
H01L 35/16, H01L 35/26, H01L 35/32, H01L 35/34
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
GRANT OF PATENT INTENDED
EP13738024

HIGH POWER SINGLE MODE YTTERBIUM FIBER LASER SYSTEM WITH SINGLE MODE NEODYMIUM FIBER SOURCE

IPC classification:
H01S 3/067, H01S 3/08, H01S 3/094, H01S 3/16
Applicant:
IPG Photonics Corporation
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
PATENT GRANTED
EP14171114

Separator

IPC classification:
E04B 1/76
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13715621

DEVICE AND METHOD FOR REDUCING RESTORING FORCES OF PACKAGING SLEEVES IN A FILLING MACHINE

IPC classification:
B31B 1/78, B65B 43/18, B65B 43/24, B65B 43/28
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
PATENT GRANTED
EP13702942

HORN LOUDSPEAKER BOX

IPC classification:
G10K 11/02, H04R 1/30
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
EXAMINATION IN PROGRESS
EP13185795

Medical low-pressure chamber with slidable lying surface

IPC classification:
A61G 7/10, A61G 10/02, A61H 9/00
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
PATENT GRANTED
EP14711704

CARRIER ELEMENT AND MODULE

IPC classification:
H01L 35/32
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
PATENT GRANTED
EP12710667

SEAT PILLAR

IPC classification:
B62J 1/04, B62J 1/08
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13734677

THERMOELECTRIC ELEMENT AND METHOD FOR THE PRODUCTION THEREOF

IPC classification:
H01L 27/16, H01L 35/08, H01L 35/32, H01L 35/34
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
PATENT GRANTED
EP13810906

EXTRUSION BLOW MOLDING METHOD AND DEVICE FOR THE PERFORMANCE THEREOF

IPC classification:
B29C 47/00, B29C 47/54, B29C 47/92, B29C 49/04, B29C 49/78
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
PATENT GRANTED
EP13818718

METHOD AND DEVICE FOR CONVEYING PIECE GOODS IN A FILLING MACHINE

IPC classification:
B31B 1/52, B65B 3/00, B65B 43/42, B65B 43/56, B65G 47/02, B65G 47/90
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
GRANT OF PATENT INTENDED
EP14703787

COMPONENT WITH STRUCTURED SURFACE AND METHOD FOR THE PRODUCTION THEREOF

IPC classification:
B29C 45/14, B29C 45/16, B29L 31/34, C23C 4/02, C23C 4/06, C23C 4/12, C23C 14/20, C23C 16/04, C23C 16/50
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
GRANT OF PATENT INTENDED
EP14716776

COMPONENT HAVING A STRUCTURED SURFACE AND METHOD FOR THE PRODUCTION THEREOF

IPC classification:
B29C 45/14, B29L 31/34, C23C 4/02, C23C 4/12, H05K 1/02, H05K 3/00, H05K 3/14
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
EXAMINATION REQUESTED
EP14715856

METHOD AND DEVICE FOR TRANSPORTING PACKAGING CONTAINERS

IPC classification:
B07C 5/34, B65B 43/00, B65G 47/82
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
PATENT GRANTED
EP12153672

Machine for and method of material processing of workpieces with a laser beam with activation of the beam source wenn two electric circuit are closed

IPC classification:
B23K 26/08, B23K 26/14, B23K 26/22, B23K 26/30
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP15180318

ELECTRONIC SHELF LABEL SYSTEM AND METHOD OF OPERATION

IPC classification:
H04W 16/14, H04W 72/08, H04W 72/12, H04W 88/06
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
EXAMINATION IN PROGRESS
EP12712976

THERMO-ELECTRIC ARRANGEMENT

IPC classification:
H01L 35/32
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP10860015

METHOD AND SYSTEM FOR MONITORING OUTPUT OF HIGH POWER FIBER LASER SYSTEM

IPC classification:
B23K 26/14, B23K 26/30, B23K 26/70, H01S 3/067, H01S 3/10
Applicant:
IPG Photonics Corporation
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
EXAMINATION REQUESTED
EP10857363

INDUSTRIAL HIGH POWER FIBER LASER SYSTEM WITH OPTICAL MONITORING ASSEMBLY

IPC classification:
B23K 26/04, B23K 26/36, H01S 3/10
Applicant:
IPG Photonics Corporation
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
GRANT OF PATENT INTENDED
EP12173806

Moulded part and method for its production

IPC classification:
B27N 1/02, B27N 3/04, B27N 3/08
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP15747439

METHOD AND DEVICE FOR DETERMINING THE ELONGATION AND/OR COMPRESSION OF A PROFILED SEALING ELEMENT

IPC classification:
B23P 19/04, B60J 10/00, B62D 65/08
Applicant:
Grohmann Engineering GmbH
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
PATENT GRANTED
EP11724146

CABLE FEED DEVICE FOR WINDING DRUM

IPC classification:
B66D 1/38
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11729300

CLAMPING AND PULLING DEVICE

IPC classification:
B66B 19/02
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11180708

Biomass plant

IPC classification:
F01K 17/06, F02C 3/26, F02C 6/18, F02C 7/224
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11778545

FILLING MACHINE AND A METHOD FOR OPERATING A FILLING MACHINE

IPC classification:
B65B 3/02, B65B 5/08, B65B 43/28, B65B 65/00
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP14789538

PRODUCTION METHOD FOR A PLASMA-COATED MOLDED BODY AND COMPONENT

IPC classification:
B29C 45/14, B29C 70/02, C23C 4/02, C23C 4/08, C23C 4/12
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
EXAMINATION REQUESTED
EP10771378

METHOD AND ARRANGEMENT FOR INCREASING THE CONCENTRATION OF NEGATIVE IONS IN A CLOSED SPACE

IPC classification:
A61N 1/44, H01T 23/00
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP14783602

FILLING VALVE FOR LIQUIDS

IPC classification:
B65B 3/22, B67C 3/28, F16K 11/04
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
The patent has been granted
EP15160997

METHOD FOR MANUFACTURING AN EVEN MOULDED PART

IPC classification:
B27N 3/04, B27N 3/08, B27N 3/18, B27N 3/20, B27N 7/00, B29C 69/00, B32B 21/06, B32B 21/08
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
APPLICATION PUBLISHED
EP15160993

CHAMBER FOR RECEIVING A PART OF THE BODY OF AN INDIVIDUAL

IPC classification:
A61G 10/02, A61H 9/00, A61H 31/02
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
EXAMINATION REQUESTED
EP13165337

Method and system for monitoring energy or water consumption

IPC classification:
G06Q 10/06, G06Q 50/06
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP15702642

PLASMA COATING METHOD FOR DEPOSITING A FUNCTIONAL LAYER, AND DEPOSITING DEVICE

IPC classification:
C23C 16/40, C23C 16/513, H01J 37/32
Applicant:
Sura Instruments GmbH
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
The patent has been granted
EP11703626

DOSING DEVICE AND DOSING METHOD FOR LIQUIDS

IPC classification:
B65B 3/22, B65B 39/00, B67C 3/28
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP16174058

BOLLARD

IPC classification:
E01F 13/02
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
APPLICATION PUBLISHED
EP16196512

LASER PROCESS HEAD

IPC classification:
B23K 26/14, B23K 26/30, B23K 26/70, H01S 3/067, H01S 3/10
Applicant:
IPG Photonics Corporation
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
EXAMINATION REQUESTED
EP15725540

METHOD AND DEVICE FOR HOT SEALING MULTIPLE PLIES OF A LAMINATE

IPC classification:
B29C 65/04, B65B 51/22
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
EXAMINATION REQUESTED
EP15762926

ORBITAL SHAKER WITH BALANCING DEVICE

IPC classification:
B01F 11/00, F16F 15/02, F16F 15/36
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
EXAMINATION REQUESTED
EP15188481

AUTOCLAVE

IPC classification:
A61L 2/07, B01J 3/04
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
EXAMINATION IN PROGRESS
EP15756571

PROCESSES AND SYSTEMS FOR CLEANING WASTE GAS BY MEANS OF ALKALINE ABSORBENTS

IPC classification:
B01D 53/34, B01D 53/82, B01D 53/83, F23G 7/06, F23J 15/02, F23L 15/04, F27D 17/00, F28D 17/00
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
Request for examination was made
EP15842888

CRYSTAL MOUNT FOR LASER APPLICATION

IPC classification:
H01S 3/16
Applicant:
IPG Photonics Corporation
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
Request for examination was made
EP17150541

INFRARED HEATER

IPC classification:
H05B 3/26
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
The application has been published
EP16793776

METHOD AND DEVICE FOR TESTING TEST OBJECTS FOR THE PRESENCE OF DAMAGE

IPC classification:
G01N 27/61, G01N 27/92, G01R 31/16
Applicant:
Intravis GmbH
Agent:
Kai Kohlmann, Patentanwaltskanzlei Kai Kohlmann
Status:
Request for examination was made

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