DP

Didier Pierrejean

AL Alcatel: 6 patents #112 of 2,861Top 4%
AC Alcatel Cit: 3 patents #17 of 211Top 9%
AP Adixen Vacuum Products: 2 patents #5 of 26Top 20%
PV Pfeiffer Vacuum: 1 patents #41 of 100Top 45%
Overall (All Time): #410,209 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11396875 Dry vacuum pump and method for controlling a synchronous motor of a vacuum pump Yannick GRENIER, Jean-Marc Paget 2022-07-26
8820142 Leak detector and process control therefor Frédéric Rouveyre, Cyrille Nomine 2014-09-02
8793896 Device and method for controlling a dehydration operation during a freeze-drying treatment Ketan Patel, Cyrille Nomine, Aurélie Chapron 2014-08-05
6559442 High-pressure operation of a field-emission cold cathode 2003-05-06
6545269 Ion source for time-of-flight mass spectrometers for analyzing gas samples Bruno Galland 2003-04-08
6388384 Pulse mode electron generator 2002-05-14
6354141 Variable speed primary pumping in a tracer gas leak detector Frédéric Rouveyre, Bertrand Seigeot 2002-03-12
6259190 Micropoint type cold cathode 2001-07-10
6111252 Ionization cell for mass spectrometers 2000-08-29
5542825 Turbomolecular vacuum pump Denis Perrillat-Amede, Francois Reverdy 1996-08-06
5304876 Electromagnetic bearing Guy Lemarquand, Denis Perrillat-Amede 1994-04-19
5106273 Vacuum pump for producing a clean molecular vacuum Guy Lemarquand, Denis Perrillat-Amede 1992-04-21