JOUAN
🏢 View company profile →19Patents
0Active
19Granted
34Portfolio score
Filing activity: Apr 14, 1987 → Aug 26, 2003
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6512459B2 | Assembly comprising a work cabinet, an implement for receiving products, and a system for communicating information by radiofrequency waves, corresponding cabinet and implement | Mechanical Engineering; Lighting; Heating | 40 | Expired |
| US5681257A | Centrifuge with removable rotor and device for axial immobilization of the rotor on the drive shaft | Emerging Cross-Sectional Technologies | 36 | Expired |
| US5342282A | Centrifuge including a rotor driveshaft with an elastic damping seal and corresponding shaft | Mechanical Engineering; Lighting; Heating | 34 | Expired |
| US6063018A | Centrifuge having force responsive locking device for securing a rotor to a drive head | Emerging Cross-Sectional Technologies | 29 | Expired |
| US6694767B2 | Work enclosure having article supports that obstruct access openings | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US5217572A | Centrifugal evaporator-concentrator for concentrating specimens by evaporation of the solvent | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5084133A | Process for concentrating specimens by evaporation of the solvent with a centrifugal evaporator-concentrator | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6205405A | Device for determining the resistive torque of a rotating item of equipment, system for monitoring the operation of an electric motor and system for regulating the operating parameters of a centrifuge incorporating such a device | Electricity | 16 | Expired |
| US7031803B2 | Installation for treating products and corresponding data acquisition component | Physics | 15 | Expired |
| US4771269A | System for detecting the incomplete closure of the doors of a chamber having at least two superposed doors | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US5626749A | Apparatus for centrifuging of a liquid packaged in flexible-walled bags connected to at least one filter | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6241650A | Centifuge with pneumatic drive and filtration of the atmosphere of its chamber | Performing Operations; Transporting | 10 | Expired |
| US6334841B1 | Centrifuge with Ranque vortex tube cooling | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US6383126B1 | Rotor-type centrifuge with a lid presence checking arrangement | Performing Operations; Transporting | 5 | Expired |
| US5114533A | Closing covers of apparatuses with centrifugal rotors | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6438505B1 | Device for monitoring the speed of rotation of an electric motor and centrifuging apparatus equipped with such a device | Electricity | 4 | Expired |
| US6446716B1 | Working enclosure provided with means for recycling the atmosphere | Performing Operations; Transporting | 1 | Expired |
| US6986731B2 | Rotor with irregularly positioned seats | Performing Operations; Transporting | 1 | Expired |
| US6725117B2 | Installation for treating substances, and a corresponding workstation and support for substance receptacles | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.