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Representative before the EPO

Company dna cohausz hannig borkowski wissgott patentanwaltskanzlei gbr
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Headquarter in Düsseldorf and 1 office
active in Legal Services

Wolf-Dieter Hannig has worked on the following 25 EPO patent applications which have been published in the last five years:

EP12005976

Device for centering, internal forming, aligning and tensioning rotation symmetric bodies by friction stir welding or fusion welding

IPC classification:
B23K 9/035, B23K 20/12, B23K 37/053, B23K 37/06, F16L 37/12
Applicant:
Wartmann Technologie AG
Agent:
Wolf-Dieter Hannig, Cohausz Hannig Borkowski Wißgott Patentanwaltskanzlei GbR
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11006908

Device for and method of manufacturing a flange-tube-flange element using friction stir welding

IPC classification:
B23K 20/12, B23K 37/053, B23K 37/06
Applicant:
Wartmann Technologie AG
Agent:
Wolf-Dieter Hannig, Cohausz Hannig Borkowski Wißgott Patentanwaltskanzlei GbR
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11006904

Device for and method of friction stir welding rotation symmetric bodies ; Pressurised gas-tight assembly

IPC classification:
B23K 20/12, B23K 37/053, B23K 37/06, H01B 9/06, H02G 5/06
Applicant:
Wartmann Technologie AG
Agent:
Wolf-Dieter Hannig, Cohausz Hannig Borkowski Wißgott Patentanwaltskanzlei GbR
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11006913

Device for centring, supporting and weld bath securing when connecting, through friction stir welding, butt joints of rotation symmetric hollow bodies

IPC classification:
B23K 9/035, B23K 20/12, B23K 37/053, B23K 37/06, F16L 37/12
Applicant:
Wartmann Technologie AG
Agent:
Wolf-Dieter Hannig, Cohausz Hannig Borkowski Wißgott Patentanwaltskanzlei GbR
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12005980

Device and method for manufacturing a butt joint between rotation-symmetrical bodies with local forming of the abutting zone of the held bodies

IPC classification:
B23K 20/12, B23K 37/053, B23K 37/06
Applicant:
Wartmann Technologie AG
Agent:
Wolf-Dieter Hannig, Cohausz Hannig Borkowski Wißgott Patentanwaltskanzlei GbR
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12755956

DEVICE FOR CENTERING, PRESSING TO FORM THE INNER SHAPE OF, STRAIGHTENING AND CLAMPING BUTT JOINTS OF ROTATIONALLY SYMMETRICAL HOLLOW MEMBERS DURING A JOINING PROCESS USING FRICTION STIR WELDING OR FUSION WELDING

IPC classification:
B23K 9/035, B23K 20/12, B23K 37/053, B23K 37/06, F16L 37/12
Applicant:
Wartmann Technologie AG
Agent:
Wolf-Dieter Hannig, Cohausz Hannig Borkowski Wißgott Patentanwaltskanzlei GbR
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12808569

ROTARY SWITCHABLE MULTI-CORE ELEMENT PERMANENT MAGNET-BASED APPARATUS

IPC classification:
H01F 7/02, H01F 7/04
Agent:
Wolf-Dieter Hannig, Cohausz Hannig Borkowski Wißgott Patentanwaltskanzlei GbR
Status:
EXAMINATION IN PROGRESS
EP12001365

Device for fixing the position of a solder connector to a solar cell

IPC classification:
B23K 1/00, B23K 3/00, H01L 31/05, H01L 31/18
Agent:
Wolf-Dieter Hannig, Cohausz Hannig Borkowski Wißgott Patentanwaltskanzlei GbR
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13707536

ADAPTER SYSTEM FOR AN ENDOPROSTHESIS

IPC classification:
A61B 17/72, A61F 2/30, A61F 2/36, A61F 2/46
Agent:
Wolf-Dieter Hannig, Cohausz Hannig Borkowski Wißgott Patentanwaltskanzlei GbR
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13004193

Device and method for transferring workpieces into and out of a tool

IPC classification:
B21D 28/00, B21D 43/05, B21D 43/14
Agent:
Wolf-Dieter Hannig, Cohausz Hannig Borkowski Wißgott Patentanwaltskanzlei GbR
Status:
EXAMINATION IN PROGRESS
EP13004190

Tool and method for the production of stamped parts

IPC classification:
B21D 28/16, B21D 35/00, B21D 53/28
Agent:
Wolf-Dieter Hannig, Cohausz Hannig Borkowski Wißgott Patentanwaltskanzlei GbR
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13004500

Device and method for preventing a tool from breaking during fine cutting and/or forming a work piece

IPC classification:
B21D 55/00, B30B 15/28, F16P 3/12
Agent:
Wolf-Dieter Hannig, Cohausz Hannig Borkowski Wißgott Patentanwaltskanzlei GbR
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13732811

METHOD FOR CONTACTLESS DETERMINATION OF THE CURRENT NUTRITIONAL STATE OF A PLANT POPULATION AND FOR PROCESSING SAID INFORMATION

IPC classification:
A01G 7/00, A01M 7/00, G01N 21/27
Agent:
Wolf-Dieter Hannig, Cohausz Hannig Borkowski Wißgott Patentanwaltskanzlei GbR
Status:
PATENT GRANTED
EP11005924

Device and method for precise laying of a flat element with a double-sided adhesive tape comprising a masking tape

IPC classification:
B65H 35/00, B65H 37/00
Agent:
Wolf-Dieter Hannig, Cohausz Hannig Borkowski Wißgott Patentanwaltskanzlei GbR
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13802867

HOUSING OR CHAMBER FOR RECEIVING FILTERS, HEAT EXCHANGERS, HUMIDIFIERS, EVAPORATORS, AIR-CONDITIONERS, VENTILATORS, FANS, AND SUCTION DEVICES, AND A LIGHTWEIGHT WALL FOR REPAIRING SUCH A HOUSING

IPC classification:
B05B 15/12, E04B 2/74, F24F 13/02
Agent:
Wolf-Dieter Hannig, Cohausz Hannig Borkowski Wißgott Patentanwaltskanzlei GbR
Status:
GRANT OF PATENT INTENDED
EP13814417

AIRWAY

IPC classification:
E04F 17/04, F16L 9/00, F16L 23/14, F24F 13/02
Agent:
Wolf-Dieter Hannig, Cohausz Hannig Borkowski Wißgott Patentanwaltskanzlei GbR
Status:
PATENT GRANTED
EP14002887

Apparatus and method for calibrating cut surfaces of punched or fineblanked parts having burr

IPC classification:
B21D 19/00, B21D 28/16
Agent:
Wolf-Dieter Hannig, Cohausz Hannig Borkowski Wißgott Patentanwaltskanzlei GbR
Status:
EXAMINATION REQUESTED
EP11779562

LOAD AND/OR TRANSPORT SCOOTER

IPC classification:
B62B 3/02, B62K 3/00, B62K 15/00
Agent:
Wolf-Dieter Hannig, Cohausz Hannig Borkowski Wißgott Patentanwaltskanzlei GbR
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP15002299

HEATER HAVING AUTOMATIC FIRE EXTINGUISHER

IPC classification:
F23D 3/18, F23D 3/26, F23D 3/28, F23N 5/00, F23N 5/02, F23N 5/24
Agent:
Wolf-Dieter Hannig, Cohausz Hannig Borkowski Wißgott Patentanwaltskanzlei GbR
Status:
EXAMINATION REQUESTED
EP11735773

METHOD AND DEVICE FOR CONVEYING AND METERING BULK MATERIAL IN VACUUM SUCTION BLASTING

IPC classification:
B24C 3/06, B24C 7/00
Agent:
Wolf-Dieter Hannig, Cohausz Hannig Borkowski Wißgott Patentanwaltskanzlei GbR
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11010139

Device and method for manufacturing metallic bipolar panels

IPC classification:
H01M 8/02
Agent:
Wolf-Dieter Hannig, Cohausz Hannig Borkowski Wißgott Patentanwaltskanzlei GbR
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11002808

Method and device for increasing the bearing area of a fine blanked workpiece with a tooth, a tooth section or the like

IPC classification:
B21D 28/16, B21D 53/28, B21J 5/08, B21K 1/30
Agent:
Wolf-Dieter Hannig, Cohausz Hannig Borkowski Wißgott Patentanwaltskanzlei GbR
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP16001093

METHOD AND DEVICE FOR REDUCING AN ELECTROSTATIC CHARGE DURING THE MACHINING, JOINING OR COATING OF AREAS USING VACUUM SUCTION BLASTING

IPC classification:
B24C 3/32, B24C 5/02, B24C 9/00, H05F 1/00
Agent:
Wolf-Dieter Hannig, Cohausz Hannig Borkowski Wißgott Patentanwaltskanzlei GbR
Status:
Request for examination was made
EP16001341

METHOD AND DEVICE FOR OPERATING A MINI/MICRO CHP PLANT FOR SINGLE-FAMILY DWELLINGS

IPC classification:
F24D 12/00, F24D 12/02, H02M 5/14, H02P 9/02
Agent:
Wolf-Dieter Hannig, Cohausz Hannig Borkowski Wißgott Patentanwaltskanzlei GbR
Status:
EXAMINATION REQUESTED
EP16020097

POSITION-SECURING SEALING, DRAINAGE AND VENTILATING UNDER FAÇADE LEDGES AND UPPER CLOSURES

IPC classification:
E04B 1/70, E04F 13/07, E04F 13/08
Agent:
Wolf-Dieter Hannig, Cohausz Hannig Borkowski Wißgott Patentanwaltskanzlei GbR
Status:
The application has been published

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