Grammer Sitzsysteme GmbH
14Patents
0Active
14Granted
33Portfolio score
Filing activity: Nov 5, 1985 → Jul 27, 1988
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4842333A | Seat | Performing Operations; Transporting | 53 | Expired |
| US4738809A | Process and apparatus for the production of a cushion element | Emerging Cross-Sectional Technologies | 42 | Expired |
| USD295588S | Stackable chair | General | 42 | Expired |
| US4743065A | Adjustable seat | Emerging Cross-Sectional Technologies | 41 | Expired |
| US4733847A | Sprung vehicle seat | Performing Operations; Transporting | 36 | Expired |
| US4717203A | Seat having an adjustable seat portion | Performing Operations; Transporting | 31 | Expired |
| US4684100A | Sprung vehicle seat | Performing Operations; Transporting | 30 | Expired |
| US4679760A | Spring arrangement | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US4657305A | Seat with adjustable armrest | Performing Operations; Transporting | 21 | Expired |
| US4733845A | Lockable sliding rail guide arrangement for mounting a seat | Performing Operations; Transporting | 18 | Expired |
| US4673214A | Head support for a seat backrest | Performing Operations; Transporting | 15 | Expired |
| US4786024A | Adjustable seat | Performing Operations; Transporting | 14 | Expired |
| US4818020A | Seat adjustment apparatus | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4664612A | Apparatus for producing seat cover cushions | Performing Operations; Transporting | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.