Representative before the EPO
Partner/Owner

Employment test 11 - 50 employees
Company dna demski and nobbe
no operation time available
Headquarter in Duisburg and 2 offices
active in Legal Services and IP Consulting

Siegfried Demski has worked on the following 34 EPO patent applications which have been published in the last five years:

EP13000993

Method for processing a structured surface of an embossing tool

IPC classification:
B44B 5/02
Agent:
Siegfried Demski, Demski & Nobbe
Agent:
Clemens Ofner, Anwälte Burger & Partner Rechtsanwalt GmbH
Status:
EXAMINATION IN PROGRESS
EP12007950

Piggable pipe pressure mediator

IPC classification:
G01L 19/00, G01L 19/06, G01L 19/14
Agent:
Siegfried Demski, Demski & Nobbe
Status:
EXAMINATION IN PROGRESS
EP12008239

Gas hob module and gas hob

IPC classification:
F24C 3/08
Agent:
Siegfried Demski, Demski & Nobbe
Status:
GRANT OF PATENT INTENDED
EP12004788

Method for producing a surface structure with a pressurized water jet

IPC classification:
B24C 1/06, B44B 5/02, B44C 1/22, B44C 5/04
Agent:
Siegfried Demski, Demski & Nobbe
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12732962

MULTILAYER LAID SCRIM

IPC classification:
B29B 11/16, B29C 70/08
Agent:
Siegfried Demski, Demski & Nobbe
Status:
GRANT OF PATENT INTENDED
EP12008587

Method for sealing a radioactive or radioactively contaminated surface

IPC classification:
B65B 33/04, G21F 1/10, G21F 9/36
Agent:
Siegfried Demski, Demski & Nobbe
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14000353

Wood deck with boards and connectors

IPC classification:
E04F 15/02
Agent:
Siegfried Demski, Demski & Nobbe
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11009907

Wooden floor element

IPC classification:
E04F 13/08, E04F 13/10, E04F 15/02, E04F 15/04
Agent:
Siegfried Demski, Demski & Nobbe
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11009908

Torrefied or thermally modified wooden floor element

IPC classification:
E04F 15/04
Agent:
Schumacher & Willsau Patentanwaltsgesellschaft mbH
Agent:
Siegfried Demski, Demski & Nobbe
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14000467

Mounting for an air circulation unit

IPC classification:
F16B 2/06, F24D 19/00, F24D 19/02
Agent:
Siegfried Demski, Demski & Nobbe
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12816439

LIGHT WITH REFLECTOR OR DIFFUSER SCREEN

IPC classification:
F21V 14/00
Agent:
Siegfried Demski, Demski & Nobbe
Status:
GRANT OF PATENT INTENDED
EP14001079

Draining and cleaning station with receiving cartridge

IPC classification:
B08B 9/08, B08B 9/093, B08B 9/20, B60R 15/04
Agent:
Siegfried Demski, Demski & Nobbe
Status:
EXAMINATION IN PROGRESS
EP13003022

Apparatus for simultaneous multiple medicine administration

IPC classification:
A61M 5/14
Agent:
Siegfried Demski, Demski & Nobbe
Status:
EXAMINATION IN PROGRESS
EP14001900

Fixing profile and lighting device

IPC classification:
G09F 13/04, G09F 13/18, G09F 13/22
Agent:
Siegfried Demski, Demski & Nobbe
Status:
GRANT OF PATENT INTENDED
EP11868270

AIR PURIFIER

IPC classification:
A61L 9/20
Agent:
Siegfried Demski, Demski & Nobbe
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13003889

Method and apparatus for producing extruded plastic elements

IPC classification:
B29B 9/06, B29C 47/04, B29C 47/08, B29C 47/12, B29C 47/56
Agent:
Siegfried Demski, Demski & Nobbe
Status:
GRANT OF PATENT INTENDED
EP13747964

METHOD FOR PRODUCING A SURFACE STRUCTURE USING A WATER-JET DEVICE

IPC classification:
B24C 1/06, B44B 5/02, B44C 1/22, B44C 5/04
Agent:
Siegfried Demski, Demski & Nobbe
Status:
APPLICATION WITHDRAWN
EP13004110

Cooking cutlery

IPC classification:
A47J 43/28, B27K 5/00
Agent:
Siegfried Demski, Demski & Nobbe
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13004100

Method for processing a roof or facade shingle

IPC classification:
B27K 5/00, B27M 1/00, B27M 3/02, E04D 1/20, E04F 13/08
Agent:
Siegfried Demski, Demski & Nobbe
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11008911

Hookah

IPC classification:
A24F 1/30
Agent:
Siegfried Demski, Demski & Nobbe
Status:
APPLICATION WITHDRAWN
EP11841060

DECORATIVE PRODUCTS AND BUILDING PRODUCTS WITH IMPROVED OPACITY

IPC classification:
C09C 3/00, C09C 3/10, D21H 17/07, D21H 17/67, D21H 19/38, D21H 19/46, D21H 21/28, D21H 21/34, D21H 27/18, E04F 13/02, E04F 19/04
Agent:
Siegfried Demski, Demski & Nobbe
Status:
The patent has been granted
EP12769897

SINUS-COSINUS-MODULATOR (SINE-COSINE MODULATOR)

IPC classification:
H03F 3/217
Agent:
Siegfried Demski, Demski & Nobbe
Status:
EXAMINATION IN PROGRESS
EP14001020

Method for covering at least two seats of a seating arrangement

IPC classification:
B60N 2/58, B60R 13/02, B64D 11/00, B64D 11/06, D04B 1/10
Agent:
Siegfried Demski, Demski & Nobbe
Status:
PATENT GRANTED
EP12877464

COMBINED TYPE THREE-DIMENSIONAL HEAT RADIATION STRUCTURE AND METHOD FULLY UTILIZING HEAT RADIATION SPACE FOR LED LAMP

IPC classification:
F21V 29/00, F21Y 101/02
Agent:
Siegfried Demski, Demski & Nobbe
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP15000187

Side panel for a radiator

IPC classification:
F24D 19/06
Agent:
Siegfried Demski, Demski & Nobbe
Status:
PATENT GRANTED
EP13814419

STATIC SEAL

IPC classification:
F16J 15/10, F16J 15/12, F16L 23/18
Agent:
Siegfried Demski, Demski & Nobbe
Status:
GRANT OF PATENT INTENDED
EP15002050

SPREADING DEVICE FOR A BRIDGE ROPE DRESSING

IPC classification:
E01D 19/16
Agent:
Siegfried Demski, Demski & Nobbe
Status:
EXAMINATION REQUESTED
EP11817509

MATERIAL PANEL HAVING A GRAPHIC SURFACE STRUCTURE

IPC classification:
B32B 5/14, B32B 21/04
Agent:
Siegfried Demski, Demski & Nobbe
Status:
APPLICATION WITHDRAWN
EP15184716

FILTER ASSEMBLY

IPC classification:
B01D 24/32, B01D 24/34, B01D 33/073, B01D 36/02, C02F 1/00, C02F 1/32, C02F 9/00, C02F 103/00, C02F 103/42
Agent:
Siegfried Demski, Demski & Nobbe
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11005298

Pressed sheet or continuous ribbon with a sandwich structure, Process to manufacture such pressed sheet or continuous ribbon and Process to manufacture punched material using such pressed sheet or continuous ribbon

IPC classification:
B30B 9/28, B30B 15/06, B44B 5/02
Agent:
Siegfried Demski, Demski & Nobbe
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP15722352

GEARSHIFT LEVER AND GEARSHIFT PEDAL

IPC classification:
B62K 23/08, B62M 25/06
Agent:
Siegfried Demski, Demski & Nobbe
Status:
EXAMINATION REQUESTED
EP15000857

Compositions comprising small molecular inhibitors suitable to inhibit and stimulate signaling pathways in a manner leading to prevention of muscle atrophy

IPC classification:
A61K 31/352, A61K 31/353, A61P 21/06, A23L 33/105
Agent:
Siegfried Demski, Demski & Nobbe
Status:
APPLICATION PUBLISHED
EP16185853

DOSING SYSTEM FOR LIQUIDS OF A COCKTAIL MIXING MACHINE

IPC classification:
B67D 1/00, B67D 1/12
Agent:
Siegfried Demski, Demski & Nobbe
Status:
APPLICATION PUBLISHED
EP16190296

DRIVE UNIT FOR AN INDUSTRIAL VEHICLE

IPC classification:
B60K 7/00, B60K 17/04, B60K 17/30, B62D 7/02, B66F 9/075
Agent:
Siegfried Demski, Demski & Nobbe
Status:
APPLICATION PUBLISHED

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