Patent assignee · US · COMPANY

KAVLICO CORPORATION

77Patents
8Active
77Granted
42Portfolio score

Filing activity: Aug 1, 1977 → Aug 14, 2012 · 5 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US4177496A Capacitive pressure transducer Emerging Cross-Sectional Technologies 112 Expired
US4227419A Capacitive pressure transducer Physics 111 Expired
US4426673A Capacitive pressure transducer and method of making same Emerging Cross-Sectional Technologies 80 Expired
US7162926B1 Lead embedded pressure sensor Human Necessities 73 Expired
US4207604A Capacitive pressure transducer with cut out conductive plate Physics 72 Expired
US5929754A High-sensitivity capacitive oil deterioration and level sensor Mechanical Engineering; Lighting; Heating 63 Expired
US5540086A Oil deterioration sensor Electricity 59 Expired
US4398426A Linear capacitive pressure transducer system Physics 59 Expired
US4617607A High pressure capacitive transducer Physics 59 Expired
US5315877A Low cost versatile pressure transducer Physics 56 Expired
US5233875A Stable capacitive pressure transducer system Physics 50 Expired
US5349865A Wide-pressure-range, adaptable, simplified pressure transducer Physics 48 Expired
US4151578A Capacitive pressure transducer Physics 46 Expired
US4924702A Liquid level sensor Physics 45 Expired
US5329819A Ultra-high pressure transducer Physics 45 Expired
US5578843A Semiconductor sensor with a fusion bonded flexible structure Physics 44 Expired
US5824889A Capacitive oil deterioration and contamination sensor Electricity 43 Expired
US5576251A Process for making a semiconductor sensor with a fusion bonded flexible structure Physics 41 Expired
US4425799A Liquid capacitance pressure transducer technique Emerging Cross-Sectional Technologies 39 Expired
US6553812B2 Combined oil quality and viscosity sensing system Physics 34 Expired
US4735098A Dual diaphragm differential pressure transducer Physics 34 Expired
US5656780A Capacitive pressure transducer with an integrally formed front housing and flexible diaphragm Physics 34 Expired
US6008113A Process for wafer bonding in a vacuum Electricity 33 Expired
US5020377A Low pressure transducer using metal foil diaphragm Physics 26 Expired
US5758865A Fuel injection valve and engine including the same Emerging Cross-Sectional Technologies 26 Expired

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