Tetrafluor, Inc.
3Patents
0Active
3Granted
26Portfolio score
Filing activity: Nov 12, 1974 → Mar 6, 1989
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4917390A | Hydraulic seal assembly | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4939830A | Method of making elastomeric embedded spring seal | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4101140A | Peripherally grooved seal | Mechanical Engineering; Lighting; Heating | 10 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.