Representative before the EPO

Company dna pfister and pfister
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Stefan Helmut Ulrich Pfister has worked on the following 25 EPO patent applications which have been published in the last five years:

EP11710422

DRILLING TOOL

IPC classification:
B23B 51/00, B23B 51/02
Agent:
Stefan Helmut Ulrich Pfister, Pfister & Pfister
Agent:
Dirk Ciesla, Plansee Group Service GmbH
Status:
GRANT OF PATENT INTENDED
EP12164722

Filter cloth

IPC classification:
B01D 25/00, B01D 25/164, B01D 25/176, B01D 25/21
Agent:
Stefan Helmut Ulrich Pfister, Pfister & Pfister
Status:
EXAMINATION IN PROGRESS
EP11191584

Electromagnet

IPC classification:
H01F 7/121, H01F 7/16
Agent:
Stefan Helmut Ulrich Pfister, Pfister & Pfister
Status:
PATENT GRANTED
EP12807577

DYNAMIC DISCOUNTING SYSTEM AND METHOD

IPC classification:
G06Q 30/08
Agent:
Stefan Helmut Ulrich Pfister, Pfister & Pfister
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12195117

Roll-up system

IPC classification:
A01F 25/16
Agent:
Stefan Helmut Ulrich Pfister, Pfister & Pfister
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12741207

BRACHYTHERAPY DEVICES, KITS AND METHODS OF USE

IPC classification:
A61N 5/10
Agent:
Stefan Helmut Ulrich Pfister, Pfister & Pfister
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14156880

Method for measuring the fluid level in an opening in the ground

IPC classification:
E21B 47/04, E21B 47/12, G01F 23/284
Agent:
Stefan Helmut Ulrich Pfister, Pfister & Pfister
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12728164

SYSTEM AND METHOD FOR COLOR AND INTENSITY CALIBRATING OF A DISPLAY SYSTEM FOR PRACTICAL USAGE

IPC classification:
G01J 3/50, H04N 13/00, H04N 17/00
Agent:
Stefan Helmut Ulrich Pfister, Pfister & Pfister
Agent:
David Dickerson, Patent attorney David P. Dickerson Group
Status:
GRANT OF PATENT INTENDED
EP13193631

Device for cleaning laundry

IPC classification:
A47L 15/50
Agent:
Multiple attorneys, Pfister & Pfister
Status:
EXAMINATION IN PROGRESS
EP13778127

SYSTEM AND METHOD OF CALIBRATING A DISPLAY SYSTEM FREE OF VARIATION IN SYSTEM INPUT RESOLUTION

IPC classification:
G09G 3/20
Agent:
Stefan Helmut Ulrich Pfister, Pfister & Pfister
Status:
GRANT OF PATENT INTENDED
EP13791408

LOW-POWER WIRELESS VEHICLE LOCATING UNIT

IPC classification:
B61L 25/04, G08G 1/00
Agent:
Stefan Helmut Ulrich Pfister, Pfister & Pfister
Status:
PATENT GRANTED
EP13793525

SYSTEM AND METHOD FOR GENERATING AND MANAGING PRODUCT AUTHENTICATION CODES

IPC classification:
H04L 9/06
Agent:
Stefan Helmut Ulrich Pfister, Pfister & Pfister
Status:
GRANT OF PATENT INTENDED
EP13823486

SYSTEM AND METHOD FOR COMMUNICATING WITH PHARMACEUTICAL CONSUMERS AND MANAGING DATA RELATED THERETO

IPC classification:
G06F 17/30
Agent:
Stefan Helmut Ulrich Pfister, Pfister & Pfister
Status:
GRANT OF PATENT INTENDED
EP13807948

CHEMICALLY-STABLE SENSOR

IPC classification:
G01N 21/64, G01N 21/78, G01N 31/22
Applicant:
Hamilton Bonaduz AG
Agent:
Multiple attorneys, Pfister & Pfister
Agent:
RĂ¼diger Baumann, Patentanwaltskanzlei Dr. Baumann
Status:
GRANT OF PATENT INTENDED
EP15167899

COUPLING

IPC classification:
F16K 5/06
Agent:
Stefan Helmut Ulrich Pfister, Pfister & Pfister
Status:
EXAMINATION REQUESTED
EP15167703

INSTALLATION FOR WASTE WATER TREATMENT

IPC classification:
C02F 1/00, C02F 3/12
Agent:
Stefan Helmut Ulrich Pfister, Pfister & Pfister
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP15175763

SOLENOID VALVE WITH MEANDER SPRING

IPC classification:
F16F 1/32, F16K 1/36, F16K 31/06
Agent:
Stefan Helmut Ulrich Pfister, Pfister & Pfister
Status:
EXAMINATION REQUESTED
EP11191609

Electromagnet with valve body

IPC classification:
F16K 27/02, F16K 31/06
Agent:
Stefan Helmut Ulrich Pfister, Pfister & Pfister
Status:
PATENT GRANTED
EP12195148

Covering system

IPC classification:
A01F 25/16
Agent:
Stefan Helmut Ulrich Pfister, Pfister & Pfister
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12173901

Electromagnet and locking unit with same

IPC classification:
H01F 7/16
Agent:
Stefan Helmut Ulrich Pfister, Pfister & Pfister
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11191625

Electromagnetically actuated valve

IPC classification:
F16K 27/02, F16K 31/06
Agent:
Stefan Helmut Ulrich Pfister, Pfister & Pfister
Status:
PATENT GRANTED
EP13167504

Valve

IPC classification:
F16K 39/02
Agent:
Stefan Helmut Ulrich Pfister, Pfister & Pfister
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12154928

Device and method for determining the position of an object on an electromagnet

IPC classification:
H01F 7/18
Agent:
Stefan Helmut Ulrich Pfister, Pfister & Pfister
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12169068

Valve with connection on the discharge side

IPC classification:
F16K 1/14, F16K 1/42
Applicant:
ZF Friedrichshafen AG
Agent:
Stefan Helmut Ulrich Pfister, Pfister & Pfister
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP15790477

METHOD AND SYSTEM FOR CONTROLLING AN AUTOMOBILE PARKING APPARATUS

IPC classification:
G07C 9/00
Agent:
Stefan Helmut Ulrich Pfister, Pfister & Pfister
Status:
Request for examination was made

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