Assignee
BOC GROUP PLC
GB366 patents
Top patents by PatentIndex Score
US6776163B2Aug 17, 2004
Nasal cannulae
BOC GROUP PLC181 citations96
US5692381ADec 2, 1997
Apparatus for chilling fluids
BOC GROUP PLC52 citations96
US5672160ASep 30, 1997
Medical devices
BOC GROUP PLC125 citations96
US4652408AMar 24, 1987
Inhalation apparatus
BOC GROUP PLC79 citations96
US5944507AAug 31, 1999
Oxy/oil swirl burner
BOC GROUP PLC131 citations95
US5381836AJan 17, 1995
Fluid delivery system
BOC GROUP PLC106 citations95
US5617906AApr 8, 1997
Container for anaesthetic agent
BOC GROUP PLC63 citations94
US5451248ASep 19, 1995
Storage and transportation of goods under controlled atmospheres
BOC GROUP PLC99 citations94
US5234472AAug 10, 1993
Separation of gas mixtures including hydrogen
BOC GROUP PLC109 citations94
US5112590AMay 12, 1992
Separation of gas mixtures including hydrogen
BOC GROUP PLC75 citations94
US4686354AAug 11, 1987
Inhalation apparatus
BOC GROUP PLC280 citations94
US6001332ADec 14, 1999
Medical gas mixture
BOC GROUP PLC40 citations93
US5893276AApr 13, 1999
Air separation
BOC GROUP PLC23 citations93
US5887447AMar 30, 1999
Air separation in a double rectification column
BOC GROUP PLC21 citations93
US5863195AJan 26, 1999
Oxygen-fuel burner
BOC GROUP PLC72 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
US5470379ANov 28, 1995
Membrane plant: automatic control of
BOC GROUP PLC52 citations93
US5160769ANov 3, 1992
Thermal insulation: co2 filled foam
BOC GROUP PLC46 citations93
US4639340AJan 27, 1987
Dissolving gas in a liquid
BOC GROUP PLC48 citations93
US7059152B2Jun 13, 2006
Nitrogen rejection method and apparatus
BOC GROUP PLC74 citations92
US6375413B1Apr 23, 2002
Vacuum pumps
BOC GROUP PLC23 citations92
US6257019B1Jul 10, 2001
Production of nitrogen
BOC GROUP PLC21 citations92
US6135709AOct 24, 2000
Vacuum pump
BOC GROUP PLC48 citations92
US6006797ADec 28, 1999
Method and vessel for the storage of gas
BOC GROUP PLC139 citations92
US5938422AAug 17, 1999
Removal of noxious substances from gas streams
BOC GROUP PLC34 citations92
US5848873ADec 15, 1998
Vacuum pumps
BOC GROUP PLC33 citations92
US5836166ANov 17, 1998
Cooling apparatus
BOC GROUP PLC27 citations92
US5806341ASep 15, 1998
Method and apparatus for air separation
BOC GROUP PLC27 citations92
US5747771AMay 5, 1998
Method and apparatus for forming blind slots including laser melting and gas vortex
BOC GROUP PLC20 citations92
US5728993AMar 17, 1998
Laser cutting of materials with plural beams
BOC GROUP PLC31 citations92
US5715706AFeb 10, 1998
Air separation
BOC GROUP PLC22 citations92
US5692396ADec 2, 1997
Air separation
BOC GROUP PLC19 citations92
US5624477AApr 29, 1997
Pressure swing adsorption plants
BOC GROUP PLC37 citations92
US5613997AMar 25, 1997
Metallurgical process
BOC GROUP PLC24 citations92
US5551258ASep 3, 1996
Air separation
BOC GROUP PLC32 citations92
US5468458ANov 21, 1995
Treatment of gas streams
BOC GROUP PLC24 citations92
US5447558ASep 5, 1995
Purification method and apparatus
BOC GROUP PLC24 citations92
US5438835AAug 8, 1995
Air separation
BOC GROUP PLC21 citations92
US5352433AOct 4, 1994
An oxygen enhanced split feedstream sulfur recovery process
BOC GROUP PLC21 citations92
US5317862AJun 7, 1994
Air separation
BOC GROUP PLC33 citations92
US5294428AMar 15, 1994
Double combustion oxygen enhanced sulfur recovery process
BOC GROUP PLC24 citations92
US5287704AFeb 22, 1994
Air separation
BOC GROUP PLC24 citations92
US5268019ADec 7, 1993
Air separation method and apparatus combined with a blast furnace
BOC GROUP PLC36 citations92
US5248320ASep 28, 1993
Compressing oxygen
BOC GROUP PLC27 citations92
US5168866ADec 8, 1992
Vaporizers usable with anesthetics having a boiling point near the ambient temperature
BOC GROUP PLC30 citations92
US5146756ASep 15, 1992
Air separation
BOC GROUP PLC37 citations92
US5076837ADec 31, 1991
Air separation in combination with a chemical process
BOC GROUP PLC34 citations92
US5040370AAug 20, 1991
Integrated air separation/metallurgical process
BOC GROUP PLC27 citations92
Showing the top 50 of 366 patents by PatentIndex Score.