Inventor · Vélizy-Villacoublay, FR

Philippe Perrier

34Patents
17h-index
24Co-inventors
81Inventor score

Filing activity: Aug 20, 1986 → Jul 27, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US5281776A Multipole circuit breaker with single-pole units Electricity 109 Expired
US5298874A Range of molded case low voltage circuit breakers Electricity 109 Expired
US5440088A Molded case circuit breaker with auxiliary contacts Electricity 96 Expired
US5300907A Operating mechanism of a molded case circuit breaker Electricity 90 Expired
US4952897A Limiting circuit breaker Electricity 89 Expired
US5612805A Add-drop optical spectrum-division multiplexer Electricity 71 Expired
US5123918A Prosthetic heart valve Human Necessities 61 Expired
US4896948A Simplified double-cavity tunable optical filter using voltage-dependent refractive index Physics 56 Expired
US5469283A Optical system for connecting customer premises networks to a switching center of a telecommunication network providing interactive and non-interactive services Electricity 45 Expired
US5103340A Multiple-cavity optical filter using change of cavity length Physics 36 Expired
US5408350A Bidirectional transmission system, especially one using optical fiber, employing a single carrier for both transmission directions Electricity 30 Expired
US6068657A Mechanical valve prosthesis with optimized closing mode Human Necessities 28 Expired
US5572612A Bidirectional optical transmission system Electricity 26 Expired
US5073980A Photonic switch employing shared data transmission facility Electricity 23 Expired
US5060305A Self clocked, self routed photonic switch Electricity 22 Expired
US4791407A Alternate mark/space inversion line code Electricity 20 Expired
US4760611A Armor elements and method Performing Operations; Transporting 20 Expired
US5436748A Automatically configurable optical system for connecting customer premises networks to a switching center of a telecommuncation network Electricity 9 Expired
US5703707A High capacity switching matrix Electricity 8 Expired
US6262821A Optical spectral multiplexer for inserting and extracting Electricity 7 Expired
US5961069A Catapult exit shock absorber Performing Operations; Transporting 6 Expired
US7665909B2 System and method for implementing a high capacity unrepeatered optical communication system Electricity 4 Active
US6023543A Bidirectional optical link, and device for amplifying such link Electricity 2 Expired
US9838136B2 Optical transmission system and related remote optically pumped amplifier (ROPA) and method Electricity 1 Active
US11751992B2 Mechanical prosthetic heart valve Human Necessities 1 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.