MP

Michel A. Pierrat

FE Ferrofluidics: 2 patents #15 of 52Top 30%
Overall (All Time): #211,789 of 4,157,543Top 6%
21
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6511306 Zero leakage valveless positive fluid displacement device 2003-01-28
6162030 Zero leakage valveless positive fluid displacement device 2000-12-19
5345349 Magazine latching and ejection mechanism for a cassette autoloader 1994-09-06
5319991 Motor coupling with angular compliance 1994-06-14
5184260 Magnetic tape drive with integral multiple-cassette removable magazine 1993-02-02
5065265 Automatic data storage cartridge library with a storage carrousel having rotatable sub-carrousels 1991-11-12
5004404 Variable positive fluid displacement apparatus with movable chambers 1991-04-02
4918862 Method for grinding trochoidal and circular bearing races 1990-04-24
4914330 Low speed brushless electric motor 1990-04-03
4907950 Variable positive fluid displacement system 1990-03-13
4891914 Computer controlled universal grinder and method for grinding trochoidal and circular bearing races 1990-01-09
4549450 Orbital speed reducer with compensation coupling 1985-10-29
4524644 Counterweight for orbital drive mechanism 1985-06-25
4487091 Speed reducer and method for reducing blacklash 1984-12-11
4377190 Log splitter 1983-03-22
4357973 Log splitter with counter-balanced wedge assembly 1982-11-09
4314591 Log splitter with improved clamp 1982-02-09
4309040 Linear seal apparatus 1982-01-05
4300605 Log splitter with protection against twisting moments 1981-11-17
4293012 Log splitter with overload protection 1981-10-06
4284605 Linear drive shaft seal 1981-08-18