Patent assignee · FR · COMPANY

Chauvin Arnoux

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45Patents
16Active
45Granted
42Portfolio score

Filing activity: Jan 20, 1975 → Feb 10, 2023 · 1 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US4303843A Multiple magnetic flywheel driven by a centrifugal clutch Electricity 25 Expired
USD741390S1 Infrared camera in the shape of a gun General 20 Active
USD300306S Multi-meter General 20 Expired
US4704575A Hall-effect current clamp Physics 15 Expired
US4708422A Multi-wavelength light emitting and receiving apparatus for monitoring connections by optical fibers Physics 15 Expired
USD397052S Test lead General 14 Expired
US6215296A Arrangement for the measurement of alternating or direct current Physics 14 Expired
US4118787A Analog multiplier error corrector, notably for precision wattmeters Physics 14 Expired
US5867081A Bistable electromagnetic relay arrangement Electricity 12 Expired
USD788605S1 Measuring apparatus General 11 Active
US4216452A Electromagnetic relay with double-breaking contacts Electricity 10 Expired
USD788613S1 Electric measuring devices General 8 Active
USD400454S Voltage tester General 7 Expired
USD850307S1 Apparatus for measuring electrical parameters General 7 Active
US6927564B2 Multimeter instrument with touch-sensitive selection device Physics 6 Expired
US9366698B2 Clamp including fixed and movable jaws for measuring a ground loop current Physics 5 Active
USD391504S Voltage tester General 4 Expired
USD494077S1 Multimeter or generator General 4 Expired
USD890617S1 Ohmmeter General 4 Active
USD383989S Clamp-on current probe General 3 Expired
USD300307S Clamp-on current probe General 3 Expired
USD388346S Clamp-on current probe General 3 Expired
USD510288S1 Multimeter General 2 Expired
USD315522S Current probe General 2 Expired
USD1010710S1 Thermal imaging camera General 2 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.