Representative before the EPO

Company dna patent attorney helmut dupal
no operation time available
Headquarter in Bad Schallerbach
active in Legal Services

Helmut Dupal has worked on the following 3 EPO patent applications which have been published in the last five years:

EP14002610

Device for dissipating heat from waste water

IPC classification:
F24D 17/00, F28D 7/00, F28D 7/10, F28D 21/00
Agent:
Helmut Dupal, Patent attorney Helmut Dupal
Status:
GRANT OF PATENT INTENDED
EP14002481

Cross joint coupling

IPC classification:
B66C 3/00
Agent:
Helmut Dupal, Patent attorney Helmut Dupal
Status:
PATENT GRANTED
EP13001016

Ventilation device

IPC classification:
B65H 75/24, F24F 3/00, F24F 3/14, F24F 7/00, F24F 7/08, F24F 12/00
Agent:
Helmut Dupal, Patent attorney Helmut Dupal
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT

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