Assignee
LIQUID AIR CANADA
CA·33 granted patents·706 citations·filing 1978–1996
Top patents by PatentIndex Score
33 records- 0189US5382422AMethod and apparatus for formation and delivery of insect attractant based on carbon dioxideLIQUID AIR CANADA·Filed 1991·Granted Jan 17, 1995·72 cites·2 claims
- 0288US4854972ANitrogen-free process for chloride-route TiO2 pigment manufactureLIQUID AIR CANADA·Filed 1987·Granted Aug 8, 1989·33 cites·15 claims
- 0387US5250273AHydrometallurgical leaching process and apparatusLIQUID AIR CANADA·Filed 1992·Granted Oct 5, 1993·34 cites·19 claims
- 0481US4823710ANon-peripheral blowing of oxygen-containing gas in steam generating boilersLIQUID AIR CANADA·Filed 1987·Granted Apr 25, 1989·38 cites·81 claims
- 0581US4614216AMethod of and apparatus for casting metal using carbon dioxide to form gas shieldLIQUID AIR CANADA·Filed 1985·Granted Sep 30, 1986·18 cites·6 claims
- 0679US4657587AMolten metal castingLIQUID AIR CANADA·Filed 1985·Granted Apr 14, 1987·16 cites·13 claims
- 0779US4192740ATwo zone process for biological treatment of waste waterLIQUID AIR CANADA·Filed 1978·Granted Mar 11, 1980·36 cites·8 claims
- 0878US4860827AProcess and device for oil recovery using steam and oxygen-containing gasLIQUID AIR CANADA·Filed 1988·Granted Aug 29, 1989·58 cites·11 claims
- 0972US5226931AProcess for supplying nitrogen from an on-site plantLIQUID AIR CANADA·Filed 1991·Granted Jul 13, 1993·45 cites·25 claims
- 1071US5378322ACarbon dioxide in neutral and alkaline sizing processesLIQUID AIR CANADA·Filed 1993·Granted Jan 3, 1995·32 cites·5 claims
- 1171US4246111AApparatus for biological treatment of waste waterLIQUID AIR CANADA·Filed 1979·Granted Jan 20, 1981·29 cites·9 claims
- 1270US5061377APipeline reactor and methodLIQUID AIR CANADA·Filed 1989·Granted Oct 29, 1991·33 cites·14 claims
- 1370US4284510ATwo zone process for biological treatment of waste waterLIQUID AIR CANADA·Filed 1979·Granted Aug 18, 1981·28 cites·7 claims
- 1468US5340136ACylinder cart with magneticsLIQUID AIR CANADA·Filed 1992·Granted Aug 23, 1994·50 cites·2 claims
- 1560US4991449AMethod and apparatus for sampling a cryogenic liquid for analysisLIQUID AIR CANADA·Filed 1989·Granted Feb 12, 1991·21 cites·10 claims
- 1659US5313039AShielding gases for arc weldingLIQUID AIR CANADA·Filed 1993·Granted May 17, 1994·23 cites·7 claims
- 1755US4557329AOil recovery by in-situ combustionLIQUID AIR CANADA·Filed 1982·Granted Dec 10, 1985·21 cites·16 claims
- 1853US5560546AOxy-fuel cutting tip having gas outlet passagesLIQUID AIR CANADA·Filed 1995·Granted Oct 1, 1996·16 cites·7 claims
- 1952US5273216AOxy-fuel cutting tip having swaged gas outlet passagesLIQUID AIR CANADA·Filed 1991·Granted Dec 28, 1993·13 cites·13 claims
- 2052US4301007ATwo zone apparatus for biological treatment of waste waterLIQUID AIR CANADA·Filed 1980·Granted Nov 17, 1981·13 cites·5 claims
- 2150US5759382AInjection of powdered material into electrolysis cellsLIQUID AIR CANADA·Filed 1996·Granted Jun 2, 1998·11 cites·25 claims
- 2250US4336064AMethod of improving the performance of submerged oxygen injectorsLIQUID AIR CANADA·Filed 1980·Granted Jun 22, 1982·4 cites·5 claims
- 2348US4238228ANon-ferrous metal treatmentLIQUID AIR CANADA·Filed 1979·Granted Dec 9, 1980·8 cites·26 claims
- 2444US4946555AApparatus and method for measuring vent gas flow rates and parameters in pulp and paper processingLIQUID AIR CANADA·Filed 1989·Granted Aug 7, 1990·11 cites·6 claims
- 2541US4915360ACutting torch having poppet metered cutting oxygen flow control valveLIQUID AIR CANADA·Filed 1989·Granted Apr 10, 1990·7 cites·7 claims
- 2641US4311518AHomogenization of metal using gasLIQUID AIR CANADA·Filed 1980·Granted Jan 19, 1982·4 cites·10 claims
- 2738US5853536AMethod for ozone bleaching of cellulosic pulp at low consistencyLIQUID AIR CANADA·Filed 1996·Granted Dec 29, 1998·5 cites·10 claims
- 2835US5482694ARegeneration of cyanide by oxidation of thiocyanateLIQUID AIR CANADA·Filed 1994·Granted Jan 9, 1996·9 cites·33 claims
- 2934US5282932AProcess for pH and fire control in pulp balersLIQUID AIR CANADA·Filed 1992·Granted Feb 1, 1994·6 cites·10 claims
- 3033US4509595AIn situ combustion for oil recoveryLIQUID AIR CANADA·Filed 1982·Granted Apr 9, 1985·5 cites·13 claims
- 3131US5467928AOxy-fuel cutting tip having gas outlet passagesLIQUID AIR CANADA·Filed 1993·Granted Nov 21, 1995·3 cites·9 claims
- 3230US5688367AMethod of monitoring and recovering oxygen-rich gas from ozone bleachingLIQUID AIR CANADA·Filed 1995·Granted Nov 18, 1997·4 cites·15 claims
- 3330US4315774AMethod of safely injecting oxygen reactive materials into a submerged oxygen gas streamLIQUID AIR CANADA·Filed 1980·Granted Feb 16, 1982·0 cites·10 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →