Gebr. Isringhausen
14Patents
0Active
14Granted
28Portfolio score
Filing activity: Jun 24, 1974 → May 13, 1991
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4616874A | Vehicle seat assembly | Performing Operations; Transporting | 71 | Expired |
| US4941641A | Vehicle seat | Performing Operations; Transporting | 69 | Expired |
| US4645169A | Vehicle seat | Performing Operations; Transporting | 39 | Expired |
| US4400033A | Seat with a back rest and arm rest | Human Necessities | 37 | Expired |
| US4638982A | Vehicle seat monitoring means | Mechanical Engineering; Lighting; Heating | 32 | Expired |
| US5123706A | Automobile seat with a backrest frame | Performing Operations; Transporting | 29 | Expired |
| US4027619A | Indication of rotary spindle adjustment | Physics | 12 | Expired |
| US3984078A | Vehicle seat | Performing Operations; Transporting | 11 | Expired |
| US4181355A | Vehicle seat | Performing Operations; Transporting | 6 | Expired |
| US4181353A | Vehicle seat | Performing Operations; Transporting | 4 | Expired |
| US3977644A | Seat construction | Performing Operations; Transporting | 3 | Expired |
| US5272633A | Vehicle seat | Performing Operations; Transporting | 3 | Expired |
| US4181354A | Vehicle seat | Performing Operations; Transporting | 2 | Expired |
| US5059750A | Multi-position switch operating mechanism for adjustment of a vehicle seat | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.