Roth Freres, S.A.
6Patents
0Active
6Granted
27Portfolio score
Filing activity: Jan 21, 1976 → Jul 29, 1994
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5493081A | Panel that absorbs acoustic energy at low, medium and high frequencies, particularly at frequencies ranging from 400 Hz to 5,000 Hz | Emerging Cross-Sectional Technologies | 52 | Expired |
| US4119749A | Moulded light-weight framed panel | Emerging Cross-Sectional Technologies | 38 | Expired |
| US4059660A | Method of molding a light-weight panel | Performing Operations; Transporting | 27 | Expired |
| US5294386A | Process for the production of padding of polyurethane foam cast in situ in a textile covering | Performing Operations; Transporting | 12 | Expired |
| US5135593A | Process for the production of a headrest with an articulated insert and apparatus for practicing this process | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4265851A | Process for moulding cellular polycarbodiimide | Performing Operations; Transporting | 6 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.