Maistrelli; Roger
Patent Applications and Registrations
Patent applications and USPTO patent grants for Maistrelli; Roger.The latest application filed is for "servomotor featuring a servovalve controlling a hydraulic drum motor".
- Maistrelli; Roger - Bougival FR
- Maistrelli; Roger - Billancourt FR
| Patent | Date |
|---|---|
| Servomotor featuring a servovalve controlling a hydraulic drum motor Grant 4,381,701 - Maistrelli May 3, 1 | 1983-05-03 |
| Device for electrohydraulically lifting agricultural implements Grant 4,301,870 - Carre , et al. November 24, 1 | 1981-11-24 |
| Automatically controlling the transmission ratios of an automotive vehicle engine for decreasing the vehicle speed Grant 4,039,061 - Pruvot , et al. August 2, 1 | 1977-08-02 |
| Engine And Transmission Control System Grant 3,890,360 - Pruvot , et al. June 17, 1 | 1975-06-17 |
| Electro-hydraulic Device For Lifting Tractor-drawn Agricultural Implements Grant 3,860,074 - Maistrelli January 14, 1 | 1975-01-14 |
| Ball-joint Retainers For The Pistons Of Hydraulic Motors And Pumps Grant 3,787,128 - Maistrelli January 22, 1 | 1974-01-22 |
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