Inventor
PETIT PIERRE
FR33 patents
⚠️ This page may combine multiple inventors who share the name “PETIT PIERRE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AIR LIQUIDE
22 patentsUS5441559AAug 15, 1995
Rotatable device for the separation by adsorption of at least one constituent of a gaseous mixture
AIR LIQUIDE108 citations96
US5658370AAug 19, 1997
Process for the separation of nitrogen from a gaseous mixture by adsorption
AIR LIQUIDE60 citations95
US5137548AAug 11, 1992
Process and apparatus for purifying air to be distilled by adsorption
AIR LIQUIDE112 citations94
US4541851ASep 17, 1985
Reactor and apparatus for purifying by adsorption
AIR LIQUIDE127 citations93
US5961694AOct 5, 1999
Apparatus and process for the separation of gas mixtures by pressure swing adsorption
AIR LIQUIDE36 citations92
US5772737AJun 30, 1998
Process for treating a gas mixture by pressure swing adsorption
AIR LIQUIDE29 citations92
US5071458ADec 10, 1991
Vaporization-condensation apparatus for air distillation double column, and air distillation equipment including such apparatus
AIR LIQUIDE44 citations92
US4863497ASep 5, 1989
Ozone-producing plant
AIR LIQUIDE38 citations92
US4786489ANov 22, 1988
Ozone-producing process
AIR LIQUIDE26 citations92
US4330308AMay 18, 1982
Plate-type heat exchangers
AIR LIQUIDE39 citations92
US5520721AMay 28, 1996
Adsorption process and unit for the production of a gas by separation of a gaseous mixture
AIR LIQUIDE20 citations89
US4599097AJul 8, 1986
Process and device for vaporizing a liquid by heat exchange with a second fluid and their application in an air distillation installation
AIR LIQUIDE46 citations89
US6790415B2Sep 14, 2004
Process and reactor for treating a gas by means of a regenerable active packing
AIR LIQUIDE11 citations73
US6071328AJun 6, 2000
PSA process and apparatus for the separation of a gaseous mixture
AIR LIQUIDE10 citations73
US6051052AApr 18, 2000
Process for the separation of gaseous mixtures by adsorption with pressure variation
AIR LIQUIDE15 citations73
US5549733AAug 27, 1996
Process for the production of a gas by adsorption
AIR LIQUIDE12 citations72
US6010556AJan 4, 2000
Process for separating a gas mixture by pressure swing adsorption
AIR LIQUIDE6 citations63
USRE36435EDec 14, 1999
Vaporization-condensation apparatus for air distillation double column, and air distillation equipment including such apparatus
AIR LIQUIDE6 citations63
US6132496AOct 17, 2000
Apparatus for the separation of a gaseous mixture
AIR LIQUIDE4 citations62
US11857912B2Jan 2, 2024
Method for producing a gaseous flow using a storage tank
AIR LIQUIDE0 citations58
US12357939B2Jul 15, 2025
Method for regulating a unit for separating a gas stream
AIR LIQUIDE0 citations46
US11819796B2Nov 21, 2023
Method for producing oxygen via O2 VSA, minimizing valve openings and closings
AIR LIQUIDE0 citations44
TELEMECANIQUE ELECTRIQUE
3 patentsUS4639668AJan 27, 1987
Analog manipulator with proximity detection of a moveable magnetizable mass
TELEMECANIQUE ELECTRIQUE56 citations95
US4893076AJan 9, 1990
Proximity detector using inductive effect on oscillating circuit the charge of which is controlled by a pulse of short duration
TELEMECANIQUE ELECTRIQUE21 citations78
US4879512ANov 7, 1989
Circuit for processing a pseudo-oscillatory signal, especially for inductive proximity detectors
TELEMECANIQUE ELECTRIQUE20 citations73