Inventor · disambiguated record
Michel A. Pierrat
Also filed as: PIERRAT MICHEL · PIERRAT MICHEL A
24 granted patents·470 citations·filing 1974–2001
97Inventor score
Files withPIERRAT MICHEL A13COMPUDRIVE CORP3ENCYNOVA INTERNATIONAL INC2FERROFLUIDICS CORP2PIERRAT MICHEL2
Top patents by PatentIndex Score
24 records- 0186US4117746AOrbital drive mechanismCOMPUDRIVE CORP·Filed 1976·Granted Oct 3, 1978·34 cites·9 claims
- 0284US4524644ACounterweight for orbital drive mechanismPIERRAT MICHEL A·Filed 1983·Granted Jun 25, 1985·32 cites·6 claims
- 0383US4052928ACam-type gearing and the likeCOMPUDRIVE CORP·Filed 1976·Granted Oct 11, 1977·37 cites·8 claims
- 0481US4487091ASpeed reducer and method for reducing blacklashPIERRAT MICHEL A·Filed 1982·Granted Dec 11, 1984·32 cites·16 claims
- 0580US5184260AMagnetic tape drive with integral multiple-cassette removable magazineENCY NOVA INC·Filed 1991·Granted Feb 2, 1993·34 cites·37 claims
- 0678US6162030AZero leakage valveless positive fluid displacement deviceENCYNOVA INTERNATIONAL INC·Filed 1998·Granted Dec 19, 2000·40 cites·53 claims
- 0777US3998112AMechanical drivesCOMPUDRIVE CORP·Filed 1974·Granted Dec 21, 1976·30 cites·6 claims
- 0875US4914330ALow speed brushless electric motorPIERRAT MICHEL·Filed 1989·Granted Apr 3, 1990·35 cites·14 claims
- 0975US4377190ALog splitterPIERRAT MICHEL A·Filed 1980·Granted Mar 22, 1983·26 cites·9 claims
- 1074US4314591ALog splitter with improved clampPIERRAT MICHEL A·Filed 1979·Granted Feb 9, 1982·17 cites·19 claims
- 1172US5065265AAutomatic data storage cartridge library with a storage carrousel having rotatable sub-carrouselsPIERRAT MICHEL A·Filed 1990·Granted Nov 12, 1991·21 cites·13 claims
- 1265US4284605ALinear drive shaft sealFERROFLUIDICS CORP·Filed 1980·Granted Aug 18, 1981·19 cites·11 claims
- 1360US6511306B2Zero leakage valveless positive fluid displacement deviceENCYNOVA INTERNATIONAL INC·Filed 2001·Granted Jan 28, 2003·7 cites·43 claims
- 1458US5004404AVariable positive fluid displacement apparatus with movable chambersPIERRAT MICHEL·Filed 1989·Granted Apr 2, 1991·16 cites·11 claims
- 1558US4309040ALinear seal apparatusFERROFLUIDICS CORP·Filed 1980·Granted Jan 5, 1982·16 cites·9 claims
- 1657US4907950AVariable positive fluid displacement systemPIERRAT MICHEL A·Filed 1988·Granted Mar 13, 1990·14 cites·18 claims
- 1751US5345349AMagazine latching and ejection mechanism for a cassette autoloaderENCYNOVA INC·Filed 1992·Granted Sep 6, 1994·10 cites·8 claims
- 1851US4549450AOrbital speed reducer with compensation couplingPIERRAT MICHEL A·Filed 1982·Granted Oct 29, 1985·11 cites·8 claims
- 1950US4293012ALog splitter with overload protectionPIERRAT MICHEL A·Filed 1979·Granted Oct 6, 1981·9 cites·6 claims
- 2049US5319991AMotor coupling with angular compliancePIERRAT MICHEL A·Filed 1992·Granted Jun 14, 1994·12 cites·4 claims
- 2147US4357973ALog splitter with counter-balanced wedge assemblyPIERRAT MICHEL A·Filed 1980·Granted Nov 9, 1982·9 cites·5 claims
- 2240US4300605ALog splitter with protection against twisting momentsPIERRAT MICHEL A·Filed 1980·Granted Nov 17, 1981·6 cites·15 claims
- 2337US4891914AComputer controlled universal grinder and method for grinding trochoidal and circular bearing racesPIERRAT MICHEL A·Filed 1989·Granted Jan 9, 1990·3 cites·8 claims
- 2430US4918862AMethod for grinding trochoidal and circular bearing racesPIERRAT MICHEL A·Filed 1989·Granted Apr 24, 1990·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →