S.A.M.M.--Societe D'Applications Des Machines Motrices
21Patents
0Active
21Granted
30Portfolio score
Filing activity: Jun 26, 1980 → Mar 25, 1997
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4825754A | Vane-type rotary hydraulic actuator device intended for driving an aircraft control surface | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US4673852A | Device for the electric low-voltage driving of a rotatable mass having high inertia and a motor which is part of said device | Electricity | 22 | Expired |
| US4335745A | Hydraulic distributor, especially for servo-control systems of aircraft and helicopters | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4858650A | Electrohydraulic servovalve for the control of a hydraulic actuator, in particular in servomechanisms controlling the flight of aircraft | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5539639A | Device for dynamically controlling the trim of a vehicle | Performing Operations; Transporting | 12 | Expired |
| US4859006A | Hydropneumatic jack | Performing Operations; Transporting | 12 | Expired |
| US5507197A | System for the assisted selection of the ratios of an automobile gearbox | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4858736A | Shock absorber for a hydropneumatic vehicle suspension element | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4700970A | Suspension element for a heavy vehicle | Performing Operations; Transporting | 6 | Expired |
| US4629169A | Hydropneumatic oleopneumatic vehicle suspension element | Performing Operations; Transporting | 5 | Expired |
| US4905572A | Hydraulic directional valve for an aircraft control | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4964492A | Damper for a hydropneumatic suspension element of a vehicle, and in particular a heavy vehicle | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US5868035A | Electrohydraulic actuator for controlling a vehicle gearbox of the type having an input barrel | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4875706A | Hydropneumatic suspension unit for wheeled vehicles, particularly cross-country vehicles | Performing Operations; Transporting | 4 | Expired |
| US5560248A | System for the assisted selection of the ratios of an automobile gearbox | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5899226A | Hydraulic directional valve for servocontrols of aircraft in particular helicopters | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4779560A | Rapidly opening peak-clipping valve for a hydropneumatic suspension for a heavy vehicle | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4768628A | Shock absorber for a suspension element of a heavy vehicle | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US4700969A | Ground clearance corrector for a suspension element of a heavy vehicle | Performing Operations; Transporting | 2 | Expired |
| US4772836A | Motorized electric control device | Physics | 1 | Expired |
| US4730817A | Hydropneumatic suspension element of a heavy vehicle or a landing set of wheels of an aircraft | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.