Inventor
HILL THEODORE B
US32 patents
⚠️ This page may combine multiple inventors who share the name “HILL THEODORE B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEQUAL TECHNOLOGIES INC
12 patentsUS6471744B1Oct 29, 2002
Vacuum-pressure swing absorption fractionator and method of using the same
SEQUAL TECHNOLOGIES INC146 citations99
US5730778AMar 24, 1998
Fluid fractionator
SEQUAL TECHNOLOGIES INC148 citations99
US5593478AJan 14, 1997
Fluid fractionator
SEQUAL TECHNOLOGIES INC225 citations99
US6698423B1Mar 2, 2004
Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator
SEQUAL TECHNOLOGIES INC203 citations98
US6681764B1Jan 27, 2004
Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator
SEQUAL TECHNOLOGIES INC173 citations98
US6651653B1Nov 25, 2003
Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator
SEQUAL TECHNOLOGIES INC133 citations98
US5979440ANov 9, 1999
Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator
SEQUAL TECHNOLOGIES INC210 citations98
US6712087B2Mar 30, 2004
Rotary valve assembly for pressure swing adsorption system
SEQUAL TECHNOLOGIES INC153 citations97
US6651658B1Nov 25, 2003
Portable oxygen concentration system and method of using the same
SEQUAL TECHNOLOGIES INC424 citations97
US6629525B2Oct 7, 2003
Portable oxygen concentration system and method of using the same
SEQUAL TECHNOLOGIES INC261 citations97
US6457485B2Oct 1, 2002
Rotary valve assembly for pressure swing absorption system
SEQUAL TECHNOLOGIES INC134 citations97
US6311719B1Nov 6, 2001
Rotary valve assembly for pressure swing adsorption system
SEQUAL TECHNOLOGIES INC177 citations97
AMERICAN STANDARD INC
8 patentsUS4915018AApr 10, 1990
Diaphragm piston assembly
AMERICAN STANDARD INC30 citations92
US4887516ADec 19, 1989
Clamping arrangement for diaphragm piston assembly
AMERICAN STANDARD INC24 citations92
US4577870AMar 25, 1986
O-ring seal in channel with fluid pressure equalization means
AMERICAN STANDARD INC30 citations92
US4850654AJul 25, 1989
Freight brake emergency valve
AMERICAN STANDARD INC11 citations74
US4951554AAug 28, 1990
Low stress diaphragm
AMERICAN STANDARD INC10 citations72
US4819993AApr 11, 1989
Freight brake control valve device having improved quick service function
AMERICAN STANDARD INC4 citations63
US4783124ANov 8, 1988
Freight brake control valve device having improved quick service function
AMERICAN STANDARD INC5 citations63
US4776642AOct 11, 1988
Freight brake control valve device having improved quick service function
AMERICAN STANDARD INC6 citations63