Assignee
BOC GROUP PLC
GB·366 granted patents·7 pending applications·7,423 citations·filing 1982–2007
Top patents by PatentIndex Score
373 records- 0193US6006797AMethod and vessel for the storage of gasBOC GROUP PLC·Filed 1996·Granted Dec 28, 1999·139 cites·20 claims
- 0293US5451248AStorage and transportation of goods under controlled atmospheresBOC GROUP PLC·Filed 1994·Granted Sep 19, 1995·99 cites·26 claims
- 0393US5234472ASeparation of gas mixtures including hydrogenBOC GROUP PLC·Filed 1992·Granted Aug 10, 1993·109 cites·8 claims
- 0492US7373790B2Nitrogen rejection method and apparatusBOC GROUP PLC·Filed 2006·Granted May 20, 2008·21 cites·10 claims
- 0592US5944507AOxy/oil swirl burnerBOC GROUP PLC·Filed 1998·Granted Aug 31, 1999·131 cites·20 claims
- 0690US7059152B2Nitrogen rejection method and apparatusBOC GROUP PLC·Filed 2003·Granted Jun 13, 2006·74 cites·12 claims
- 0790US5863195AOxygen-fuel burnerBOC GROUP PLC·Filed 1997·Granted Jan 26, 1999·72 cites·12 claims
- 0889US6776163B2Nasal cannulaeBOC GROUP PLC·Filed 2003·Granted Aug 17, 2004·181 cites·2 claims
- 0989US6517801B2Treatment of gas streams containing hydrogen sulphideBOC GROUP PLC·Filed 2001·Granted Feb 11, 2003·42 cites·16 claims
- 1089US6460352B1Atmosphere control for perishable produceBOC GROUP PLC·Filed 2000·Granted Oct 8, 2002·44 cites·19 claims
- 1189US5112590ASeparation of gas mixtures including hydrogenBOC GROUP PLC·Filed 1988·Granted May 12, 1992·75 cites·30 claims
- 1288US5592934AAnaesthetic vaporizerBOC GROUP PLC·Filed 1994·Granted Jan 14, 1997·196 cites·10 claims
- 1388US4686354AInhalation apparatusBOC GROUP PLC·Filed 1986·Granted Aug 11, 1987·280 cites·1 claims
- 1487US4479363AFreezing a liquidBOC GROUP PLC·Filed 1983·Granted Oct 30, 1984·49 cites·20 claims
- 1586US6616908B2Treatment of a gas stream containing hydrogen sulphideBOC GROUP PLC·Filed 2001·Granted Sep 9, 2003·43 cites·6 claims
- 1685US5882184ALow emission swirl burnerBOC GROUP PLC·Filed 1997·Granted Mar 16, 1999·50 cites·16 claims
- 1785US5863317AApparatus for gas liquid separationBOC GROUP PLC·Filed 1997·Granted Jan 26, 1999·47 cites·14 claims
- 1884US5692890ACombination apparatusBOC GROUP PLC·Filed 1995·Granted Dec 2, 1997·50 cites·12 claims
- 1983US6436175B1Adsorption apparatusBOC GROUP PLC·Filed 2000·Granted Aug 20, 2002·47 cites·10 claims
- 2083US5384021ASputtering apparatusBOC GROUP PLC·Filed 1993·Granted Jan 24, 1995·45 cites·10 claims
- 2182US6135709AVacuum pumpBOC GROUP PLC·Filed 1999·Granted Oct 24, 2000·48 cites·6 claims
- 2282US5692381AApparatus for chilling fluidsBOC GROUP PLC·Filed 1996·Granted Dec 2, 1997·52 cites·19 claims
- 2382US5470379AMembrane plant: automatic control ofBOC GROUP PLC·Filed 1993·Granted Nov 28, 1995·52 cites·6 claims
- 2482US4639340ADissolving gas in a liquidBOC GROUP PLC·Filed 1985·Granted Jan 27, 1987·48 cites·21 claims
- 2581US6919059B2Process and apparatus for recovering sulphur from a gas stream containing sulphideBOC GROUP PLC·Filed 2001·Granted Jul 19, 2005·23 cites·7 claims
- 2681US5076837AAir separation in combination with a chemical processBOC GROUP PLC·Filed 1989·Granted Dec 31, 1991·34 cites·10 claims
- 2781US4504201AMechanical pumpsBOC GROUP PLC·Filed 1982·Granted Mar 12, 1985·33 cites·9 claims
- 2880US4759786ASeparation of gaseous mixturesBOC GROUP PLC·Filed 1986·Granted Jul 26, 1988·21 cites·11 claims
- 2979US5160769AThermal insulation: co2 filled foamBOC GROUP PLC·Filed 1990·Granted Nov 3, 1992·46 cites·8 claims
- 3078US6287535B1Treatment of combustible gas streamsBOC GROUP PLC·Filed 2000·Granted Sep 11, 2001·24 cites·10 claims
- 3178US4790866AAir separationBOC GROUP PLC·Filed 1987·Granted Dec 13, 1988·32 cites·8 claims
- 3277US6375413B1Vacuum pumpsBOC GROUP PLC·Filed 2000·Granted Apr 23, 2002·23 cites·11 claims
- 3377US5268019AAir separation method and apparatus combined with a blast furnaceBOC GROUP PLC·Filed 1992·Granted Dec 7, 1993·36 cites·19 claims
- 3477US5151119ACooling of molded articles with a mixture of evaporated cryogen and dried airBOC GROUP PLC·Filed 1991·Granted Sep 29, 1992·28 cites·8 claims
- 3577US5146756AAir separationBOC GROUP PLC·Filed 1991·Granted Sep 15, 1992·37 cites·8 claims
- 3677US4843828ALiquid-vapor contact method and apparatusBOC GROUP PLC·Filed 1988·Granted Jul 4, 1989·39 cites·11 claims
- 3777US4591331AApparatus and method for burning fuelBOC GROUP PLC·Filed 1984·Granted May 27, 1986·28 cites·20 claims
- 3876US6708984B1Seal assembliesBOC GROUP PLC·Filed 2000·Granted Mar 23, 2004·22 cites·2 claims
- 3976US5729983AStorage of perishable foodstuffsBOC GROUP PLC·Filed 1997·Granted Mar 24, 1998·40 cites·8 claims
- 4075US6001332AMedical gas mixtureBOC GROUP PLC·Filed 1998·Granted Dec 14, 1999·40 cites·12 claims
- 4175US5938422ARemoval of noxious substances from gas streamsBOC GROUP PLC·Filed 1997·Granted Aug 17, 1999·34 cites·11 claims
- 4275US5317862AAir separationBOC GROUP PLC·Filed 1993·Granted Jun 7, 1994·33 cites·22 claims
- 4375US5294428ADouble combustion oxygen enhanced sulfur recovery processBOC GROUP PLC·Filed 1987·Granted Mar 15, 1994·24 cites·19 claims
- 4475US5248320ACompressing oxygenBOC GROUP PLC·Filed 1992·Granted Sep 28, 1993·27 cites·14 claims
- 4574US6893620B2Process and apparatus for recovering sulphur from a gas stream containing hydrogen sulphideBOC GROUP PLC·Filed 2001·Granted May 17, 2005·21 cites·12 claims
- 4674US6352680B1Partial combustion of hydrogen sulphideBOC GROUP PLC·Filed 1999·Granted Mar 5, 2002·40 cites·10 claims
- 4774US5624477APressure swing adsorption plantsBOC GROUP PLC·Filed 1994·Granted Apr 29, 1997·37 cites·18 claims
- 4872US6709630B2Metallurgical lance and apparatusBOC GROUP PLC·Filed 2002·Granted Mar 23, 2004·10 cites·10 claims
- 4972US6638057B2Partial oxidation of hydrogen sulphideBOC GROUP PLC·Filed 2000·Granted Oct 28, 2003·18 cites·13 claims
- 5072US5672160AMedical devicesBOC GROUP PLC·Filed 1996·Granted Sep 30, 1997·125 cites·5 claims
Showing the top 50 of 373 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when BOC GROUP PLC files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →