ETAT FRANÇAIS REPRESENTE PAR LE DELEGUE GENERAL POUR L'ARMEMENT
63Patents
15Active
63Granted
43Portfolio score
Filing activity: Mar 29, 1977 → Feb 28, 2017 · 6 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4287337A | Spiropyran compounds of piperidine or thiazine rings | Physics | 84 | Expired |
| US4353305A | Kinetic-energy projectile | Mechanical Engineering; Lighting; Heating | 38 | Expired |
| US5929372A | Thermoelectric generator | Electricity | 36 | Expired |
| US4602608A | Supply apparatus for a semi-automatic compressed gas device which fires projectiles | Performing Operations; Transporting | 32 | Expired |
| US4171908A | Automatic two wavelength photoelasticimeter | Physics | 31 | Expired |
| US4354432A | Hot-wire ignition initiator for propellant charges | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US4287582A | Piezo transducers with mechanical amplification for very low frequencies, and acoustic antennas | Physics | 23 | Expired |
| US4329924A | Electric primer with conductive composition | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US6548809B2 | Electromagnetic device for production of cold neutral atoms | Electricity | 13 | Expired |
| US4151437A | Piezoelectric transducers and acoustic antennas which can be immersed to a great depth | Performing Operations; Transporting | 13 | Expired |
| US5635667A | Fuse plug pyrotechnic firing device | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US5073751A | Capacitive type electric energy accumulator of high capacity | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7026045B2 | Multilayer composite armour | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5621255A | Marx generator | Electricity | 12 | Expired |
| US5127248A | Process and device for pipe bending | Performing Operations; Transporting | 12 | Expired |
| US6220196A | Water discharge device for a submerged launching system | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US5901959A | Ground target for simulating the heat silhouette of a vehicle such as a tank | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US6499104B1 | Digital signature method | Electricity | 10 | Expired |
| US9689645B2 | Interface for a sighting device for a firearm | Mechanical Engineering; Lighting; Heating | 9 | Active |
| US5835273A | High reflectivity, broad band mirror and process for producing such a mirror | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5556955A | Process for detection of new polymorphic loci in a DNA sequence, nucleotide sequences forming hybridization probes and their applications | Chemistry; Metallurgy | 8 | Expired |
| US5018354A | Auxiliary combustion chambers for supercharged internal combustion engines and internal combustion engines equipped with such a chamber | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6516737B2 | Autonomous container ship | Performing Operations; Transporting | 7 | Expired |
| US4702172A | Sabot arrangement for a sub-caliber projectile | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6321673A | Autonomous container ship | Performing Operations; Transporting | 6 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.