Inventor
PIERREJEAN DIDIER
FR12 patents
⚠️ This page may combine multiple inventors who share the name “PIERREJEAN DIDIER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CIT ALCATEL
9 patentsUS5106273AApr 21, 1992
Vacuum pump for producing a clean molecular vacuum
CIT ALCATEL112 citations95
US6354141B1Mar 12, 2002
Variable speed primary pumping in a tracer gas leak detector
CIT ALCATEL16 citations79
US6388384B1May 14, 2002
Pulse mode electron generator
CIT ALCATEL12 citations72
US5542825AAug 6, 1996
Turbomolecular vacuum pump
CIT ALCATEL13 citations71
US6545269B1Apr 8, 2003
Ion source for time-of-flight mass spectrometers for analyzing gas samples
CIT ALCATEL8 citations65
US5304876AApr 19, 1994
Electromagnetic bearing
CIT ALCATEL6 citations62
US6559442B1May 6, 2003
High-pressure operation of a field-emission cold cathode
CIT ALCATEL5 citations61
US6111252AAug 29, 2000
Ionization cell for mass spectrometers
CIT ALCATEL2 citations61
US6259190B1Jul 10, 2001
Micropoint type cold cathode
CIT ALCATEL0 citations51