Inventor
HELLWIG ALEXANDER
DE15 patents
⚠️ This page may combine multiple inventors who share the name “HELLWIG ALEXANDER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DORMAKABA DEUTSCHLAND GMBH
8 patentsUS11814888B2Nov 14, 2023
Fire protection fastening device for fastening a door actuator
DORMAKABA DEUTSCHLAND GMBH10 citations84
US11725445B2Aug 15, 2023
Backplate for a door actuator
DORMAKABA DEUTSCHLAND GMBH4 citations73
US12049782B2Jul 30, 2024
Backplate for a door actuator
DORMAKABA DEUTSCHLAND GMBH2 citations71
US11578522B2Feb 14, 2023
Door actuator for opening and/or closing a door
DORMAKABA DEUTSCHLAND GMBH2 citations66
US12146357B2Nov 19, 2024
Fire protection securing device for securing a door actuator
DORMAKABA DEUTSCHLAND GMBH0 citations62
US12060744B2Aug 13, 2024
Configuration of automatic functions for a door
DORMAKABA DEUTSCHLAND GMBH0 citations51
US12385309B2Aug 12, 2025
Linkage for a door actuator
DORMAKABA DEUTSCHLAND GMBH0 citations50
US12049779B2Jul 30, 2024
Door actuator arrangement
DORMAKABA DEUTSCHLAND GMBH0 citations43
DORMA DEUTSCHLAND GMBH
4 patentsUS9631412B2Apr 25, 2017
Door actuator
DORMA DEUTSCHLAND GMBH21 citations93
US9790723B2Oct 17, 2017
Door operator
DORMA DEUTSCHLAND GMBH7 citations83
US10006236B2Jun 26, 2018
Door drive
DORMA DEUTSCHLAND GMBH15 citations82
US9447622B2Sep 20, 2016
Spring adjusting device for a door actuating device
DORMA DEUTSCHLAND GMBH4 citations72