P

Inventor

HIGGINBOTHAM PAUL

GB56 patents
⚠️ This page may combine multiple inventors who share the name “HIGGINBOTHAM PAUL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BOC GROUP PLC

24 patents
US5893276AApr 13, 1999

Air separation

BOC GROUP PLC23 citations93
US5887447AMar 30, 1999

Air separation in a double rectification column

BOC GROUP PLC21 citations93
US5546766AAug 20, 1996

Air separation

BOC GROUP PLC28 citations93
US5511381AApr 30, 1996

Air separation

BOC GROUP PLC25 citations93
US5485729AJan 23, 1996

Air separation

BOC GROUP PLC20 citations93
US6257019B1Jul 10, 2001

Production of nitrogen

BOC GROUP PLC21 citations92
US5533339AJul 9, 1996

Air separation

BOC GROUP PLC25 citations86
US5657644AAug 19, 1997

Air separation

BOC GROUP PLC18 citations84
US6305191B1Oct 23, 2001

Separation of air

BOC GROUP PLC7 citations74
US6293126B1Sep 25, 2001

Air separation

BOC GROUP PLC12 citations74
US6082137AJul 4, 2000

Separation of air

BOC GROUP PLC11 citations74
US5928408AJul 27, 1999

Air separation

BOC GROUP PLC10 citations74
US5878598AMar 9, 1999

Air separation

BOC GROUP PLC11 citations74
US5868007AFeb 9, 1999

Air separation

BOC GROUP PLC7 citations74
US5660059AAug 26, 1997

Air separation

BOC GROUP PLC17 citations74
US5862680AJan 26, 1999

Air separation

BOC GROUP PLC8 citations73
US5941097AAug 24, 1999

Method and apparatus for separating air to produce an oxygen product

BOC GROUP PLC3 citations63
US5692398ADec 2, 1997

Production of argon

BOC GROUP PLC5 citations63
US5692397ADec 2, 1997

Air separation

BOC GROUP PLC5 citations63
US5852940ADec 29, 1998

Air separation

BOC GROUP PLC5 citations62
US5819556AOct 13, 1998

Air separation

BOC GROUP PLC5 citations62
US5689975ANov 25, 1997

Air separation

BOC GROUP PLC5 citations62
US6089041AJul 18, 2000

Air separation

BOC GROUP PLC0 citations52
US5813252ASep 29, 1998

Fractionation column

BOC GROUP PLC0 citations52

AIR PROD & CHEM

18 patents
US8012446B1Sep 6, 2011

Recycle TSA regen gas to boiler for oxyfuel operations

AIR PROD & CHEM57 citations97
US6694775B1Feb 24, 2004

Process and apparatus for the recovery of krypton and/or xenon

AIR PROD & CHEM73 citations96
US7022159B2Apr 4, 2006

Process and apparatus for treating a feed gas

AIR PROD & CHEM20 citations92
US6227005B1May 8, 2001

Process for the production of oxygen and nitrogen

AIR PROD & CHEM33 citations92
US7581405B2Sep 1, 2009

Storage vessel for cryogenic liquid

AIR PROD & CHEM12 citations82
US6662593B1Dec 16, 2003

Process and apparatus for the cryogenic separation of air

AIR PROD & CHEM7 citations73
US6568208B1May 27, 2003

System and method for introducing low pressure reflux to a high pressure column without a pump

AIR PROD & CHEM9 citations73
US6397631B1Jun 4, 2002

Air separation process

AIR PROD & CHEM13 citations73
US11773873B2Oct 3, 2023

Process and apparatus for compressing hydrogen gas in a centrifugal compressor

AIR PROD & CHEM2 citations72
US11453950B1Sep 27, 2022

Method and apparatus for dosing hydrogen in a centrifugal compression system

AIR PROD & CHEM4 citations72
US6848269B2Feb 1, 2005

Process and apparatus for the recovery of krypton and/or xenon

AIR PROD & CHEM9 citations72
US10254042B2Apr 9, 2019

Purification of carbon dioxide

AIR PROD & CHEM4 citations71
US10036590B2Jul 31, 2018

Helium recovery from streams containing helium, carbon dioxide, and at least one of nitrogen and methane

AIR PROD & CHEM3 citations71
US10215488B2Feb 26, 2019

Treatment of nitrogen-rich natural gas streams

AIR PROD & CHEM3 citations68
US11353261B2Jun 7, 2022

Lights removal from carbon dioxide

AIR PROD & CHEM2 citations67
US6889524B2May 10, 2005

Process and apparatus for cryogenic separation of gases

AIR PROD & CHEM10 citations67
US11926906B2Mar 12, 2024

Process and apparatus for compressing hydrogen gas in a centrifugal compressor

AIR PROD & CHEM0 citations62
US6829907B2Dec 14, 2004

Process and apparatus for the recovery of krypton and/or xenon

AIR PROD & CHEM4 citations61

MUSTANG SURVIVAL CORP

4 patents

BOC GROUP INC

2 patents

DUNLOP BEAUFORT CANADA LTD

1 patent

HIGGINBOTHAM PAUL

1 patent

Showing the top 50 of 56 patents by PatentIndex Score.