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
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →