Applications Mecaniques et Robinetterie Industrielle (A.M.R.I.)
14Patents
0Active
14Granted
28Portfolio score
Filing activity: Jan 31, 1975 → Jan 10, 1990
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4194749A | Sealing ring | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US4006882A | Butterfly valve of large diameter | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4593916A | Sealing device providing the upstream/downstream sealing of a valve | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4653724A | Universal type butterfly valve and manufacturing process for same | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US4436281A | Butterfly valve with an improved obturation device | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5178364A | Sealing liner with incorporated reaction ring, more particularly for a closure means | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4901979A | Butterfly valve of inspectable type | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4108199A | Isolating valves | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4415170A | Double toric sealing ring | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4006761A | Equipment for bottom loading of liquid products | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4351511A | Sealing gasket for an obturator such as a ventilation regulator | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4608913A | Actuator with pneumatic energy accumulator more especially for cock valves | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4070002A | Valve actuators | Emerging Cross-Sectional Technologies | 3 | Expired |
| USRE32264E | Double toric sealing ring | General | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.