Inventor · Jona, CH

Andreas Scheidweiler

16Patents
7h-index
10Co-inventors
59Inventor score

Filing activity: Mar 15, 1976 → Sep 8, 1992

Most-cited inventions

PatentTitleAreaCited byStatus
US5381130A Optical smoke detector with active self-monitoring Physics 43 Expired
US4612534A Method of transmitting measuring values in a monitoring system Physics 21 Expired
US4757303A Alarm system Physics 13 Expired
US4405919A Method of fire detection and fire detection installation Physics 13 Expired
US4404548A Method for transmitting measuring values in a fire alarm system and apparatus for the performance of the aforesaid method Physics 12 Expired
US4568924A Method of and apparatus for signalling an alarm Physics 8 Expired
US4384488A Smoke detector Physics 7 Expired
US4109240A Ionization-type fire sensing system Physics 4 Expired
US4058803A Duplex ionization-type fire sensor Physics 4 Expired
US4037106A Ionization-type fire or smoke sensing system Physics 3 Expired
US4364031A Ionization smoke detector with increased operational reliability Physics 3 Expired
US4582996A Electrode insulating member for ionization fire alarm Physics 2 Expired
US4475390A Smoke detector Physics 2 Expired
US4194120A Adjustable ionization chamber Physics 1 Expired
USRE30117E Ionization-type fire or smoke sensing system General 0 Expired
US4168497A Fire and smoke sensing system Physics 0 Expired

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