Inventor
BIENEK VOLKER
DE16 patents
⚠️ This page may combine multiple inventors who share the name “BIENEK VOLKER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BIENEK VOLKER
5 patentsUS8806715B2Aug 19, 2014
Door closer comprising device for preventing a spring-back
BIENEK VOLKER14 citations91
US8819895B2Sep 2, 2014
Door closer with free-swing function
BIENEK VOLKER9 citations83
US8393054B2Mar 12, 2013
Door operator
BIENEK VOLKER19 citations83
US9297194B2Mar 29, 2016
Hydraulic solenoid distribution valve
BIENEK VOLKER15 citations82
US8826494B2Sep 9, 2014
Door closer comprising cam drive
BIENEK VOLKER5 citations82
DORMA GMBH & CO KG
4 patentsUS5802670ASep 8, 1998
Door closer
DORMA GMBH & CO KG59 citations95
US7966771B2Jun 28, 2011
Door operator, in particular swing door operator
DORMA GMBH & CO KG37 citations92
US5832561ANov 10, 1998
Automatic door closer and process for assembly of same
DORMA GMBH & CO KG27 citations92
US7650669B2Jan 26, 2010
Door closer
DORMA GMBH & CO KG12 citations83
DORMAKABA DEUTSCHLAND GMBH
3 patentsUS11814888B2Nov 14, 2023
Fire protection fastening device for fastening a door actuator
DORMAKABA DEUTSCHLAND GMBH10 citations84
US12049782B2Jul 30, 2024
Backplate for a door actuator
DORMAKABA DEUTSCHLAND GMBH2 citations71
US12146357B2Nov 19, 2024
Fire protection securing device for securing a door actuator
DORMAKABA DEUTSCHLAND GMBH0 citations62