Jean-Pierre Dupraz
35Patents
11h-index
40Co-inventors
75Inventor score
Filing activity: Nov 5, 1981 → Oct 12, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5414400A | Rogowski coil | Electricity | 68 | Expired |
| US4933630A | System for measuring phase currents in a 3-phase installation | Physics | 41 | Expired |
| US4848910A | Sagnac type optical fiber interferometer system | Physics | 33 | Expired |
| US4797607A | Method of updating the scale factor of apparatus for measuring an alternating electric current by means of the faraday effect | Physics | 30 | Expired |
| US5223682A | Arc-detecting circuit breaker | Physics | 16 | Expired |
| US5153804A | Hybrid current limiter having superconductor windings | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5693873A | Method and a system for determining the density of an insulating gas in an electrical apparatus | Electricity | 14 | Expired |
| US7184895B2 | Method and system of non-intrusively monitoring the mixture ratio of a gas mixture having at least two components | Electricity | 13 | Expired |
| US5063472A | Device for detecting superconductor quenching and application to a superconducting current limiter | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4437134A | Discharge circuit for rapidly eliminating charge trapped in a capacitor voltage divider used for monitoring high voltage AC | Physics | 12 | Expired |
| US5444599A | Capacitor having high stability with temperature | Electricity | 12 | Expired |
| US5295207A | Optical apparatus for measuring current in a grounded metal-clad installation | Electricity | 11 | Expired |
| US7825763B2 | Current transformer with rogowski type windings, comprising an association of partial circuits forming a complete circuit | Physics | 10 | Expired |
| US5089931A | Safety device for electrical apparatus containing a dielectric gas, in particular circuit breakers or voltage-droppers for measurement purposes | Electricity | 8 | Expired |
| US6205846A | Method of determining with great accuracy the rate of leakage from the case of an electrical apparatus | Electricity | 7 | Expired |
| US9373473B2 | Mechatronic circuit breaker device and associated tripping method and use thereof in interrupting a high direct current | Electricity | 7 | Active |
| US5073747A | Feedback system control device and applications in amplifiers and servomechanisms | Physics | 7 | Expired |
| US8994483B2 | Electromagnetic actuator comprising permanent magnets and mechanical load interrupter actuated by such an actuator | Electricity | 5 | Active |
| US9692226B2 | Circuit interruption device | Emerging Cross-Sectional Technologies | 5 | Active |
| US4943765A | Circuit for measuring voltages in a three-phase installation, in particular an installation of the metalclad type | Physics | 4 | Expired |
| US4427900A | Supply circuit for electronic apparatus at a high electric potential | Physics | 4 | Expired |
| US7336461B2 | Method for determining the moment of closure of a circuit breaker on a high voltage line | Electricity | 4 | Expired |
| US10811864B2 | DC circuit breaker with counter current generation | Emerging Cross-Sectional Technologies | 3 | Active |
| US5053915A | Capacitive sensor for a circuit for measuring the potential of a line conductor in a metalclad station | Electricity | 3 | Expired |
| US7880104B2 | Control device for controlling electrical switchgear | Electricity | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.