Inventor · Bellevue, WA, US

Charles D. Bateman

43Patents
24h-index
22Co-inventors
85Inventor score

Filing activity: Jun 19, 1974 → Apr 30, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US4646244A Terrain advisory system Physics 183 Expired
US6043756A Aircraft weather information system Emerging Cross-Sectional Technologies 160 Expired
US4567483A Position based ground proximity warning system for aircraft Physics 71 Expired
US4914436A Ground proximity approach warning system without landing flap input Physics 71 Expired
US4030065A Terrain clearance warning system for aircraft Physics 62 Expired
US5220322A Ground proximity warning system for use with aircraft having egraded performance Physics 55 Expired
US4319218A Negative climb after take-off warning system with configuration warning means Physics 54 Expired
US3946358A Aircraft ground proximity warning instrument Physics 52 Expired
US3947808A Excessive descent rate warning system for aircraft Physics 51 Expired
US4312042A Weight, balance, and tire pressure detection systems Physics 50 Expired
US4060793A Excessive sink rate warning system for aircraft Physics 50 Expired
US3934221A Terrain closure warning system with altitude rate signal conditioning Physics 45 Expired
US3958219A Terrain closure warning system with altitude rate signal conditioning Physics 43 Expired
US3958218A Aircraft ground proximity warning system with speed compensation Physics 43 Expired
US3947810A Negative climb rate after take-off warning system with predetermined loss of altitude inhibit Physics 42 Expired
US3934222A Terrain closure warning system with climb inhibit and altitude gain measurement Physics 42 Expired
US3944968A Aircraft ground proximity warning system having speed versus altitude compensation Physics 41 Expired
US3936796A Aircraft ground proximity warning instrument Physics 41 Expired
US4215334A Aircraft excessive descent rate warning system Physics 37 Expired
US5196847A Ground proximity warning instrument using flight path modulation of glide slope alerting function Physics 36 Expired
US4947164A Flight path responsive aircraft wind shear alerting and warning system Physics 34 Expired
US5225829A Independent low airspeed alert Physics 27 Expired
US4611304A Transducer memory circuit Physics 26 Expired
US7098810B2 Aircraft autorecovery systems and methods Physics 24 Expired
US4495483A Ground proximity warning system with time based mode switching Physics 21 Expired

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