Cogema -Compagnie Generale Des Matieres Nucleaires
37Patents
0Active
37Granted
36Portfolio score
Filing activity: Nov 21, 1985 → Mar 18, 1994
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5267280A | Process for the conditioning or recycling of used ion cartridges | Emerging Cross-Sectional Technologies | 41 | Expired |
| US4767136A | Tight coupling device for two rigid, fixed pipes | Mechanical Engineering; Lighting; Heating | 38 | Expired |
| US5125126A | High pressure cleaner equipped with a recovery means for the cleaning liquid and waste | Physics | 36 | Expired |
| US5299243A | Glove holder unit for a confinement enclosure | Performing Operations; Transporting | 25 | Expired |
| US4854355A | Stepwise advancing rotary conveyor and installation for taking liquid samples incorporating such a conveyor | Physics | 22 | Expired |
| US4996019A | Storage container for radioactive waste | Physics | 19 | Expired |
| US5171263A | Cardiac valve with flaps pivoting on balls | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4704951A | Ventilation system for an isolation enclosure | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4974617A | Process and apparatus for remotely clearing a liquid-filled pipe | Fixed Constructions | 14 | Expired |
| US4643328A | Device for the tight connection of two enclosures | Physics | 13 | Expired |
| US5339339A | Process for carrying out an inspection round of nuclear installations | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5158583A | Installation for the remote cleaning by degradation of a surface in a hostile medium with waste recovery and treatment | Physics | 10 | Expired |
| US4619572A | Transfer device with a double tight barrier between a container and a confinement enclosure | Physics | 10 | Expired |
| US5220947A | Apparatus for emptying and rinsing non-recoverable flasks containing a toxic product | Physics | 10 | Expired |
| US5085834A | Method for separating by using crown compounds plutonium from uranium and from fission products in the initial stages for the reprocessing of irradiated nuclear fuels | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5307696A | Liquid sampling head having a removable needle body immersed in a cavity | Physics | 7 | Expired |
| US5066058A | Pneumatic gripper | Performing Operations; Transporting | 7 | Expired |
| US4810890A | Package for the shipment of dangerous materials | Physics | 7 | Expired |
| US4797248A | Gripping apparatus for a group of rods of nuclear fuel assembly | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4793962A | Process for placing a bundle of rods of a nuclear fuel assembly into a case and installation for performing this process | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5603811A | Process for the treatment of an aqueous solution mainly containing nitric acid and hydrofluoric acid | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5141378A | Mobile intervention chamber providing access to an installation placed in an active cell | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5028402A | Process for separating by means of crown ethers the uranium and plutonium present in an aqueous medium resulting from the reprocessing of irradiated nuclear fuels | Physics | 5 | Expired |
| US4735028A | Earthquake-resistant, removable partition | Physics | 4 | Expired |
| US5309774A | Installation for taking fluid samples in a confined area | Physics | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.