HELLWIG; Alexander
Patent Applications and Registrations
Patent applications and USPTO patent grants for HELLWIG; Alexander.The latest application filed is for "door actuator arrangement".
- HELLWIG; Alexander - Ennepetal DE
| Patent | Date |
|---|---|
| Door Actuator Arrangement App 20220275676 - LYGIN; Konstantin ; et al. | 2022-09-01 |
| Backplate For A Door Actuator App 20220186527 - Hellwig; Alexander ; et al. | 2022-06-16 |
| Fire Protection Fastening Device For Fastening A Door Actuator App 20220018175 - HELLWIG; Alexander ; et al. | 2022-01-20 |
| Configuration Of Automatic Functions For A Door App 20210388662 - HELLWIG; Alexander | 2021-12-16 |
| Backplate For A Door Actuator App 20210388657 - Hellwig; Alexander ; et al. | 2021-12-16 |
| Door Actuator For Opening And/or Closing A Door App 20210372190 - HELLWIG; Alexander ; et al. | 2021-12-02 |
| Door Closer Assembly App 20210164279 - LYGIN; Konstantin ; et al. | 2021-06-03 |
| Door drive Grant 10,006,236 - Hellwig , et al. June 26, 2 | 2018-06-26 |
| Door operator Grant 9,790,723 - Bienek , et al. October 17, 2 | 2017-10-17 |
| Door actuator Grant 9,631,412 - Hellwig , et al. April 25, 2 | 2017-04-25 |
| Door Drive App 20160362925 - HELLWIG; Alexander ; et al. | 2016-12-15 |
| Spring adjusting device for a door actuating device Grant 9,447,622 - Hellwig September 20, 2 | 2016-09-20 |
| Door Operator App 20160177610 - BIENEK; Volker ; et al. | 2016-06-23 |
| Door actuator Grant 9,181,744 - Salutzki , et al. November 10, 2 | 2015-11-10 |
| Method For Shutting An Opening In A Body, In Particular In A Door Actuator App 20150240946 - Hellwig; Alexander | 2015-08-27 |
| Door operator Grant 9,097,051 - Hellwig August 4, 2 | 2015-08-04 |
| Door Closing Device App 20150143663 - HELLWIG; Alexander | 2015-05-28 |
| Universal Energy Accumulator App 20150128499 - HELLWIG; Alexander | 2015-05-14 |
| Spring adjusting device for a door actuating device App 20150128378 - HELLWIG; Alexander | 2015-05-14 |
| Door Actuator App 20140366319 - Salutzki; Thomas ; et al. | 2014-12-18 |
| Door drive Grant 8,904,710 - Romer , et al. December 9, 2 | 2014-12-09 |
| System For Interlocking and Unlocking a Sliding Door App 20140300116 - Hellwig; Alexander ; et al. | 2014-10-09 |
| Door Actuator App 20140290144 - Hellwig; Alexander ; et al. | 2014-10-02 |
| Door Operator App 20140252782 - HELLWIG; Alexander | 2014-09-11 |
| Door Operator App 20140157544 - HELLWIG; Alexander | 2014-06-12 |
| Connector Module For A Door Actuator App 20100218989 - Hansch; Holger ; et al. | 2010-09-02 |
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