Inventor · disambiguated record
Alexander Hellwig
Also filed as: HELLWIG ALEXANDER
15 granted patents·9 pending applications·115 citations·filing 2008–2025
92Inventor score
Files withDORMAKABA DEUTSCHLAND GMBH11DORMA DEUTSCHLAND GMBH7HELLWIG ALEXANDER3DORMA GMBH & KG1RÖMER MARTIN1
Top patents by PatentIndex Score
24 records- 0197US11814888B2Fire protection fastening device for fastening a door actuatorDORMAKABA DEUTSCHLAND GMBH·Filed 2021·Granted Nov 14, 2023·10 cites·13 claims
- 0293US11725445B2Backplate for a door actuatorDORMAKABA DEUTSCHLAND GMBH·Filed 2021·Granted Aug 15, 2023·4 cites·15 claims
- 0392US10006236B2Door driveDORMA DEUTSCHLAND GMBH·Filed 2016·Granted Jun 26, 2018·15 cites·13 claims
- 0492US9631412B2Door actuatorDORMA DEUTSCHLAND GMBH·Filed 2012·Granted Apr 25, 2017·21 cites·6 claims
- 0589US12049782B2Backplate for a door actuatorDORMAKABA DEUTSCHLAND GMBH·Filed 2021·Granted Jul 30, 2024·2 cites·20 claims
- 0687US9097051B2Door operatorHELLWIG ALEXANDER·Filed 2013·Granted Aug 4, 2015·19 cites·8 claims
- 0785US9181744B2Door actuatorSALUTZKI THOMAS·Filed 2012·Granted Nov 10, 2015·16 cites·9 claims
- 0884US9790723B2Door operatorDORMA DEUTSCHLAND GMBH·Filed 2015·Granted Oct 17, 2017·7 cites·15 claims
- 0983US11578522B2Door actuator for opening and/or closing a doorDORMAKABA DEUTSCHLAND GMBH·Filed 2021·Granted Feb 14, 2023·2 cites·15 claims
- 1078US8904710B2Door driveRÖMER MARTIN·Filed 2008·Granted Dec 9, 2014·15 cites·18 claims
- 1177US2025257598A1Linkage for a door actuatorDORMAKABA DEUTSCHLAND GMBH·Filed 2025·Application pending·0 cites
- 1267US9447622B2Spring adjusting device for a door actuating deviceDORMA DEUTSCHLAND GMBH·Filed 2014·Granted Sep 20, 2016·4 cites·10 claims
- 1366US12146357B2Fire protection securing device for securing a door actuatorDORMAKABA DEUTSCHLAND GMBH·Filed 2021·Granted Nov 19, 2024·0 cites·14 claims
- 1462US12385309B2Linkage for a door actuatorDORMAKABA DEUTSCHLAND GMBH·Filed 2020·Granted Aug 12, 2025·0 cites·11 claims
- 1555US12060744B2Configuration of automatic functions for a doorDORMAKABA DEUTSCHLAND GMBH·Filed 2021·Granted Aug 13, 2024·0 cites·11 claims
- 1653US2023027773A1Thermally releasable fastening element, in particular for fastening a door actuatorDORMAKABA DEUTSCHLAND GMBH·Filed 2022·Application pending·0 cites
- 1749US12049779B2Door actuator arrangementDORMAKABA DEUTSCHLAND GMBH·Filed 2022·Granted Jul 30, 2024·0 cites·14 claims
- 1848US2010218989A1Connector Module For A Door ActuatorDORMA GMBH & KG·Filed 2008·Application pending·0 cites
- 1946US2015143663A1Door closing deviceDORMA DEUTSCHLAND GMBH·Filed 2014·Application pending·0 cites
- 2045US2015240946A1Method for shutting an opening in a body, in particular in a door actuatorDORMA DEUTSCHLAND GMBH·Filed 2013·Application pending·0 cites
- 2143US2015128499A1Universal Energy AccumulatorDORMA DEUTSCHLAND GMBH·Filed 2014·Application pending·0 cites
- 2241US2021164279A1Door closer assemblyDORMAKABA DEUTSCHLAND GMBH·Filed 2020·Application pending·0 cites
- 2341US2014252782A1Door operatorHELLWIG ALEXANDER·Filed 2014·Application pending·0 cites
- 2436US2014300116A1System For Interlocking and Unlocking a Sliding DoorHELLWIG ALEXANDER·Filed 2014·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Alexander Hellwig files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →