Alexander Hellwig
15Patents
5h-index
12Co-inventors
59Inventor score
Filing activity: Nov 13, 2008 → Feb 24, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9631412B2 | Door actuator | Fixed Constructions | 19 | Active |
| US9097051B2 | Door operator | Fixed Constructions | 17 | Active |
| US9181744B2 | Door actuator | Fixed Constructions | 15 | Active |
| US8904710B2 | Door drive | Fixed Constructions | 14 | Active |
| US10006236B2 | Door drive | Fixed Constructions | 14 | Active |
| US9790723B2 | Door operator | Fixed Constructions | 5 | Active |
| US11814888B2 | Fire protection fastening device for fastening a door actuator | Fixed Constructions | 4 | Active |
| US9447622B2 | Spring adjusting device for a door actuating device | Fixed Constructions | 3 | Active |
| US11725445B2 | Backplate for a door actuator | Fixed Constructions | 2 | Active |
| US11578522B2 | Door actuator for opening and/or closing a door | Fixed Constructions | 1 | Active |
| US12049782B2 | Backplate for a door actuator | Fixed Constructions | 1 | Active |
| US12060744B2 | Configuration of automatic functions for a door | Fixed Constructions | 0 | Active |
| US12385309B2 | Linkage for a door actuator | Fixed Constructions | 0 | Active |
| US12146357B2 | Fire protection securing device for securing a door actuator | Fixed Constructions | 0 | Active |
| US12049779B2 | Door actuator arrangement | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.