Representative before the EPO
Partner/Owner

Employment test 11 - 50 employees
Company dna dr solf and zapf
operating since 1974
Headquarter in Wuppertal and 3 offices
active in Legal Services and IP Consulting

Alexander Solf has worked on the following 30 EPO patent applications which have been published in the last five years:

EP11701667

PROCESS AND APPARATUS FOR SEPARATING INDIVIDUAL PANES FROM A LAMINATED GLASS SHEET

IPC classification:
B23K 26/14, B23K 26/16, C03B 33/07
Applicant:
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
Agent:
Alexander Solf, Dr. Solf & Zapf
Status:
EXAMINATION IN PROGRESS
EP11841607

PROPELLER SHAFT ASSEMBLY WITH GREASE RETENTION AND VENT CAP

IPC classification:
F16D 9/06
Agent:
Alexander Solf, Dr. Solf & Zapf
Status:
EXAMINATION REQUESTED
EP14151580

System and method reducing fiber stretch induced timing errors in fiber optic coupled time domain terahertz systems

IPC classification:
G01J 3/02
Agent:
Alexander Solf, Dr. Solf & Zapf
Status:
GRANT OF PATENT INTENDED
EP12190639

A spherical alpha-type crystal silicon carbide, the method for manufacturing the same, and a sintered body as well as an organic resin-based composite made from the silicon carbide

IPC classification:
C04B 35/565
Agent:
Alexander Solf, Dr. Solf & Zapf
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12731782

NANOTUBE BASED DEVICE FOR GUIDING X-RAY PHOTONS AND NEUTRONS

IPC classification:
G21K 1/06
Agent:
Alexander Solf, Dr. Solf & Zapf
Status:
EXAMINATION IN PROGRESS
EP13798311

USE OF UNFIRED REFRACTORY PRODUCTS AS A LINING IN LARGE-VOLUME INDUSTRIAL FURNACES, AS WELL AS AN INDUSTRIAL FURNACE LINED WITH SAID UNFIRED REFRACTORY PRODUCTS

IPC classification:
C04B 35/00, C04B 35/01, C04B 35/03, C04B 35/04, C04B 35/043, C04B 35/057, C04B 35/06, C04B 35/44, C04B 35/443, C04B 35/66, F23M 5/00, F23M 5/04, F27B 9/16, F27D 1/00
Agent:
Alexander Solf, Dr. Solf & Zapf
Status:
PATENT GRANTED
EP14155374

Coating additive for coating fire resistant products containing carbon and/or silicon carbide and use of the offset

IPC classification:
C04B 28/00, C04B 28/26, C04B 28/34, C04B 35/10, C04B 35/106, C04B 35/16, C04B 35/185, C04B 35/565, C04B 35/622, C04B 35/63, C04B 35/636, C04B 35/66
Agent:
Alexander Solf, Dr. Solf & Zapf
Status:
PATENT GRANTED
EP12883450

WOVEN THREE-DIMENSIONAL INTERVAL GRID FABRIC WITH CROSSED WARP STRUCTURE

IPC classification:
D03D 9/00, D03D 13/00
Agent:
Alexander Solf, Dr. Solf & Zapf
Status:
PATENT GRANTED
EP12819158

A METHOD OF MANUFACTURING PATTERNED X - RAY OPTICAL ELEMENTS

IPC classification:
G21K 1/06
Agent:
Alexander Solf, Dr. Solf & Zapf
Status:
APPLICATION REFUSED
EP12705105

GAS ABSORPTION GRANULAR MATERIAL

IPC classification:
B01D 53/02, B01D 53/50, B01J 20/04, B01J 20/28, B01J 20/32
Agent:
Alexander Solf, Dr. Solf & Zapf
Status:
PATENT GRANTED
EP12704411

GAS ABSORPTION GRANULAR MATERIAL

IPC classification:
B01D 53/50, B01J 20/04, B01J 20/28, B01J 20/30
Agent:
Alexander Solf, Dr. Solf & Zapf
Status:
GRANT OF PATENT INTENDED
EP13752308

BEARING PROTECTION SYSTEM

IPC classification:
B60K 17/24
Agent:
Alexander Solf, Dr. Solf & Zapf
Status:
PATENT GRANTED
EP14168734

Method for operating a shaft furnace for the production of burnt lime, dolomite, magnesia or cement and shaft furnace plant installation for producing fired lime, dolomite, magnesia or cement

IPC classification:
B01D 53/62, C07C 31/04, C10L 3/08
Agent:
Alexander Solf, Dr. Solf & Zapf
Status:
PATENT GRANTED
EP13169115

Magnetic fluid seal with centering of bearing and shaft by compressible member

IPC classification:
F16C 23/06, F16C 35/073, F16J 15/43
Agent:
Alexander Solf, Dr. Solf & Zapf
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13713096

FREIGHT CAR HAVING CAR SIDE WALLS THAT CAN BE FOLDED OUT

IPC classification:
B61D 3/18, B61D 47/00, B65G 63/02
Applicant:
Cargobeamer AG
Agent:
Alexander Solf, Dr. Solf & Zapf
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13764203

SYSTEM AND METHOD TO DETECT ANOMALIES

IPC classification:
G01S 13/00
Agent:
Alexander Solf, Dr. Solf & Zapf
Status:
EXAMINATION IN PROGRESS
EP14171711

Circuit for thermal protection and for power control of electric motors

IPC classification:
H02H 5/04, H02H 7/085, H02H 9/02
Applicant:
ebm-papst Mulfingen GmbH & Co KG
Agent:
Alexander Solf, Dr. Solf & Zapf
Agent:
Julian Peter, Staeger & Sperling Partnerschaftsgesellschaft mbB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13775562

SURGICAL INSTRUMENT FOR TISSUE REMOVAL

IPC classification:
A61B 17/24, A61B 18/12
Agent:
Alexander Solf, Dr. Solf & Zapf
Status:
EXAMINATION IN PROGRESS
EP12840890

SHAFT-TO-ROLLER ATTACHMENT FOR CLINKER GRINDER ROLLER

IPC classification:
B02C 4/08, B02C 4/30
Agent:
Alexander Solf, Dr. Solf & Zapf
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14189567

System reducing fiber stretch induced timing errors in fiber optic coupled time domain terahertz systems

IPC classification:
G01J 3/02
Agent:
Alexander Solf, Dr. Solf & Zapf
Status:
EXAMINATION REQUESTED
EP13732303

X-RAY BEAM SYSTEM OFFERING 1D AND 2D BEAMS

IPC classification:
G01N 23/201, G21K 1/06
Agent:
Alexander Solf, Dr. Solf & Zapf
Status:
GRANT OF PATENT INTENDED
EP13732302

DUAL MODE SMALL ANGLE SCATTERING CAMERA

IPC classification:
G01N 23/201
Agent:
Alexander Solf, Dr. Solf & Zapf
Status:
PATENT GRANTED
EP13725340

FLAME-RETARDANT PRODUCT AND USE THEREOF

IPC classification:
C04B 35/043, C04B 35/565, C04B 35/622, C04B 35/63, C04B 35/66
Agent:
Alexander Solf, Dr. Solf & Zapf
Status:
GRANT OF PATENT INTENDED
EP14189763

Coarse ceramic fire resistant product and method for its manufacture and its use

IPC classification:
C04B 35/043
Agent:
Alexander Solf, Dr. Solf & Zapf
Status:
PATENT GRANTED
EP14152197

Piston accumulator, vehicle axle and vehicle suspension system with such a piston accumulator

IPC classification:
B60G 9/00, B60G 11/30
Agent:
Alexander Solf, Dr. Solf & Zapf
Status:
EXAMINATION IN PROGRESS
EP14702534

GEOPOLYMER-BINDER SYSTEM FOR FIRE CONCRETES, DRY FIRE CONCRETE MIX CONTAINING THE BINDER SYSTEM AND ALSO THE USE OF THE MIX

IPC classification:
C04B 28/00, C04B 35/01, C04B 35/043, C04B 35/047, C04B 35/63, C04B 35/66, C04B 35/76
Agent:
Alexander Solf, Dr. Solf & Zapf
Status:
GRANT OF PATENT INTENDED
EP11823209

METHOD FOR PRODUCING PYROPHOSPHATE

IPC classification:
C01B 25/42, C07D 251/56, C07F 9/22
Agent:
Alexander Solf, Dr. Solf & Zapf
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12708273

REFRACTORY REGENARATED GRANULATE, PROCESS OF MANUFACTURE AND USE THEREOF

IPC classification:
C04B 20/10, C04B 28/06, C04B 35/628, C04B 35/66, C04B 111/28
Agent:
Alexander Solf, Dr. Solf & Zapf
Status:
PATENT GRANTED
EP11828300

AQUEOUS POLYURETHANE RESIN COMPOSITION FOR FLAME RETARDANT COATED MATERIALS AND COATED PRODUCTS OBTAINED BY APPLYING SAID COMPOSITION

IPC classification:
C08G 18/00, C08G 18/38, C09D 5/18, C09D 175/04
Agent:
Alexander Solf, Dr. Solf & Zapf
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11741337

X-RAY OPTICAL SYSTEM WITH ADJUSTABLE CONVERGENCE AND FOCAL SPOT SIZE

IPC classification:
B82Y 10/00, G21K 1/04, G21K 1/06
Agent:
Alexander Solf, Dr. Solf & Zapf
Status:
PATENT GRANTED

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