Monitoring device for a door functional unit
US-2026009270-A1 · Jan 8, 2026 · US
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Hellwig Alexander patents
Hellwig Alexander is listed as an inventor on 31 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Hellwig Alexander |
| Total patents | 31 |
| First publication | May 14, 2015 |
| Latest publication | Jan 8, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Linkage for a door actuator
US-2025257598-A1 · Aug 14, 2025 · US
Linkage for a door actuator
US-12385309-B2 · Aug 12, 2025 · US
Fire protection securing device for securing a door actuator
US-12146357-B2 · Nov 19, 2024 · US
Configuration of automatic functions for a door
US-12060744-B2 · Aug 13, 2024 · US
Backplate for a door actuator
US-12049782-B2 · Jul 30, 2024 · US
Door actuator arrangement
US-12049779-B2 · Jul 30, 2024 · US
Linkage for a door actuator
US-2024003174-A1 · Jan 4, 2024 · US
Fire protection fastening device for fastening a door actuator
US-11814888-B2 · Nov 14, 2023 · US
Fire protection securing device for securing a door actuator
US-2023287723-A1 · Sep 14, 2023 · US
Recent patents
Latest publications not already listed above.
Backplate for a door actuator
US-11725445-B2 · Aug 15, 2023 · US
Door actuator for opening and/or closing a door
US-11578522-B2 · Feb 14, 2023 · US
Thermally releasable fastening element, in particular for fastening a door actuator
US-2023027773-A1 · Jan 26, 2023 · US
Door actuator arrangement
US-2022275676-A1 · Sep 1, 2022 · US
Backplate for a door actuator
US-2022186527-A1 · Jun 16, 2022 · US
Fire protection fastening device for fastening a door actuator
US-2022018175-A1 · Jan 20, 2022 · US
Configuration of automatic functions for a door
US-2021388662-A1 · Dec 16, 2021 · US
Backplate for a door actuator
US-2021388657-A1 · Dec 16, 2021 · US
Door actuator for opening and/or closing a door
US-2021372190-A1 · Dec 2, 2021 · US
Door closer assembly
US-2021164279-A1 · Jun 3, 2021 · US
Door drive
US-10006236-B2 · Jun 26, 2018 · US
Door operator
US-9790723-B2 · Oct 17, 2017 · US
Door actuator
US-9631412-B2 · Apr 25, 2017 · US
Door drive
US-2016362925-A1 · Dec 15, 2016 · US
Spring adjusting device for a door actuating device
US-9447622-B2 · Sep 20, 2016 · US
Door operator
US-2016177610-A1 · Jun 23, 2016 · US
Method for shutting an opening in a body, in particular in a door actuator
US-2015240946-A1 · Aug 27, 2015 · US
Door operator
US-9097051-B2 · Aug 4, 2015 · US
Door closing device
US-2015143663-A1 · May 28, 2015 · US
Spring adjusting device for a door actuating device
US-2015128378-A1 · May 14, 2015 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Dormakaba Deutschland Gmbh | 21 |
| Dorma Deutschland Gmbh | 11 |
| Hellwig Alexander | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E05Y2900/132 | 25 |
| E05F3/227 | 19 |
| E05F3/22 | 15 |
| E05F1/006 | 12 |
| E05Y2800/416 | 12 |