MATRA AG
33Patents
0Active
33Granted
40Portfolio score
Filing activity: May 2, 1977 → Oct 14, 1997
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4790566A | Identity document difficult to falsify and a process for manufacturing such a document | Emerging Cross-Sectional Technologies | 65 | Expired |
| US4567615A | Spring-slat arrangement for a bedstead | Human Necessities | 57 | Expired |
| US4524473A | Foam material body for a pad, particularly a mattress | Human Necessities | 49 | Expired |
| US4397053A | Foam material body for a mattress, and element of furniture provided with same | Human Necessities | 37 | Expired |
| US4959900A | Mounting of electronic microcomponents on a support | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4345362A | Process and apparatus for stripping insulated wires | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4294420A | Attitude control systems for space vehicles | Performing Operations; Transporting | 29 | Expired |
| US4080025A | Automatic connector for underwater connection | Electricity | 29 | Expired |
| US5774911A | Slatted base for a bed | Human Necessities | 28 | Expired |
| US4345662A | Installation with automatic vehicles | Physics | 26 | Expired |
| US4370716A | Active nutation control system for space vehicle | Performing Operations; Transporting | 22 | Expired |
| US4800556A | Optical data transmission with frequency multiplexing | Physics | 21 | Expired |
| US4732354A | Active damping of satellite nutation | Performing Operations; Transporting | 19 | Expired |
| US5899968A | Speech coding method using synthesis analysis using iterative calculation of excitation weights | Physics | 19 | Expired |
| US4710645A | Device for monitoring the state of an electric switch or an electric relay | Electricity | 18 | Expired |
| USD286654S | Terminal for betting system | General | 17 | Expired |
| US4914487A | Photoelasticity determination of a deformation or stress field | Physics | 16 | Expired |
| US4709637A | Temperature sensitive pyrotechnical train interruption device | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US4685377A | Missile launcher with ejection shoe | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US4553565A | Liquid storage reservoir with capillary confinement | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4848236A | Mine with indirect firing for attacking armoured vehicles | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4881809A | Method and device for measuring distance optically | Physics | 12 | Expired |
| US4231095A | Remote reproduction of images | Electricity | 11 | Expired |
| US4772120A | Determination of the transfer function of an optical instrument | Physics | 11 | Expired |
| US4752827A | Method and device for the numerical coding of an image, more particularly a television image | Electricity | 10 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.