Assignee
BIRTCHER CORP
US·9 granted patents·1,258 citations·filing 1974–1990
Top patents by PatentIndex Score
9 records- 0192US4708127AUltrasonic generating system with feedback controlBIRTCHER CORP·Filed 1985·Granted Nov 24, 1987·492 cites·20 claims
- 0285US4153314AHandle assemblyBIRTCHER CORP·Filed 1978·Granted May 8, 1979·38 cites·9 claims
- 0385US3964487AUncomplicated load-adapting electrosurgical cutting generatorBIRTCHER CORP·Filed 1974·Granted Jun 22, 1976·256 cites·13 claims
- 0484US5256138AElectrosurgical handpiece incorporating blade and conductive gas functionalityBIRTCHER CORP·Filed 1990·Granted Oct 26, 1993·317 cites·34 claims
- 0578US4066974AIsolation amplifierBIRTCHER CORP·Filed 1976·Granted Jan 3, 1978·20 cites·4 claims
- 0675US4034761ADisposable electrosurgical switching assemblyBIRTCHER CORP·Filed 1975·Granted Jul 12, 1977·92 cites·22 claims
- 0768US4154493AElectrical apparatus housing assemblyBIRTCHER CORP·Filed 1978·Granted May 15, 1979·18 cites·1 claims
- 0862US3970198APrinted circuit board retainerBIRTCHER CORP·Filed 1975·Granted Jul 20, 1976·21 cites·16 claims
- 0934US3947779AInput bias and signal conditioning circuit with overload indication for differential amplifiersBIRTCHER CORP·Filed 1974·Granted Mar 30, 1976·4 cites·10 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →