Winfried Wirges
12Patents
9h-index
9Co-inventors
61Inventor score
Filing activity: Dec 17, 1975 → Sep 24, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4245826A | Resilient column of adjustable length | Human Necessities | 68 | Expired |
| US4072288A | Chair with pneumatically adjustable seat height and back support inclination | Human Necessities | 54 | Expired |
| US4183689A | Column of telescopically adjustable length | Emerging Cross-Sectional Technologies | 45 | Expired |
| US4948104A | Gas spring | Mechanical Engineering; Lighting; Heating | 29 | Expired |
| US4257582A | Support column of adjustable length | Human Necessities | 27 | Expired |
| US4303231A | Cylinder-and-piston rod device | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US4632371A | Gas spring of variable spring force | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US4240619A | Gas spring for balancing the weight of the lid on the trunk of a motorcar and like applications | Fixed Constructions | 24 | Expired |
| US5116028A | Pressure tube-piston device | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4784375A | Steplessly blockable setting device | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US4096785A | Elastic column of adjustable length | Human Necessities | 7 | Expired |
| US5137124A | Pressure tube piston unit | Mechanical Engineering; Lighting; Heating | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.