Assignee
AQUA CHEM INC
46 granted patents·1,249 citations·filing 1972–2001
Top patents by PatentIndex Score
46 records- 0196US4187183AMixed-form polyhalide resins for disinfecting waterAQUA CHEM INC·Filed 1978·Granted Feb 5, 1980·44 cites·3 claims
- 0289US6357396B1Plate type heat exchanger for exhaust gas heat recoveryAQUA CHEM INC·Filed 2000·Granted Mar 19, 2002·49 cites·18 claims
- 0387US4814079ASpirally wrapped reverse osmosis membrane cellAQUA CHEM INC·Filed 1988·Granted Mar 21, 1989·68 cites·13 claims
- 0486US4565137ABio-mass suspension burnerAQUA CHEM INC·Filed 1985·Granted Jan 21, 1986·84 cites·8 claims
- 0585US5335628AIntegrated boiler/fuel cell systemAQUA CHEM INC·Filed 1993·Granted Aug 9, 1994·112 cites·4 claims
- 0684US4343987AElectric boilerAQUA CHEM INC·Filed 1979·Granted Aug 10, 1982·42 cites·11 claims
- 0783US4190529AMixed-form polyhalide resins for disinfecting waterAQUA CHEM INC·Filed 1979·Granted Feb 26, 1980·41 cites·6 claims
- 0881US3955909AReduction of gaseous pollutants in combustion flue gasAQUA CHEM INC·Filed 1974·Granted May 11, 1976·36 cites·10 claims
- 0979US5040716APipe welding apparatusAQUA CHEM INC·Filed 1990·Granted Aug 20, 1991·62 cites·22 claims
- 1077US3988245AAnisotropic polyvinyl formal resin microporous membrane and its preparationAQUA CHEM INC·Filed 1974·Granted Oct 26, 1976·30 cites·18 claims
- 1176US4259160AVapor compression distiller and methodAQUA CHEM INC·Filed 1978·Granted Mar 31, 1981·34 cites·19 claims
- 1275US3984324AMultiple plate ultrafilterAQUA CHEM INC·Filed 1973·Granted Oct 5, 1976·30 cites·20 claims
- 1375US3941663AMulti-effect evaporatorAQUA CHEM INC·Filed 1972·Granted Mar 2, 1976·46 cites·10 claims
- 1474US4659305AFlue gas recirculation system for fire tube boilers and burner thereforAQUA CHEM INC·Filed 1985·Granted Apr 21, 1987·35 cites·11 claims
- 1574US4123342AUltrafiltration and electrodialysis method and apparatusAQUA CHEM INC·Filed 1977·Granted Oct 31, 1978·27 cites·7 claims
- 1674US4043896AUltrafiltration and electrodialysis apparatusAQUA CHEM INC·Filed 1976·Granted Aug 23, 1977·27 cites·20 claims
- 1772US4318366AEconomizerAQUA CHEM INC·Filed 1980·Granted Mar 9, 1982·33 cites·4 claims
- 1871US6470835B1Plate-type heat exchanger for exhaust gas heat recoveryAQUA CHEM INC·Filed 2001·Granted Oct 29, 2002·19 cites·30 claims
- 1971US4330373ASolar desalting plantAQUA CHEM INC·Filed 1980·Granted May 18, 1982·37 cites·5 claims
- 2070US4730435ASterile docking system for filling IV bagsAQUA CHEM INC·Filed 1986·Granted Mar 15, 1988·36 cites·17 claims
- 2169US4217176AEvaporatorAQUA CHEM INC·Filed 1978·Granted Aug 12, 1980·30 cites·13 claims
- 2268US4110175AElectrodialysis methodAQUA CHEM INC·Filed 1976·Granted Aug 29, 1978·28 cites·6 claims
- 2368US4050877AReduction of gaseous pollutants in combustion flue gasAQUA CHEM INC·Filed 1975·Granted Sep 27, 1977·25 cites·10 claims
- 2467US4439138ACombustion control apparatusAQUA CHEM INC·Filed 1978·Granted Mar 27, 1984·18 cites·12 claims
- 2561US4800824APyrolytic incineration systemAQUA CHEM INC·Filed 1987·Granted Jan 31, 1989·23 cites·19 claims
- 2661US4713195AScale inhibitorAQUA CHEM INC·Filed 1986·Granted Dec 15, 1987·23 cites·8 claims
- 2758US6558153B2Low pollution emission burnerAQUA CHEM INC·Filed 2001·Granted May 6, 2003·16 cites·32 claims
- 2858US3962999AHeat transfer fluid heater with continuously flushed vent and drainAQUA CHEM INC·Filed 1974·Granted Jun 15, 1976·16 cites·22 claims
- 2956US4013399AReduction of gaseous pollutants in combustion flue gasAQUA CHEM INC·Filed 1975·Granted Mar 22, 1977·16 cites·29 claims
- 3054US5195883AFlue gas recirculation system with fresh air purge for burnersAQUA CHEM INC·Filed 1992·Granted Mar 23, 1993·22 cites·10 claims
- 3154US4376679ASolar desalting processAQUA CHEM INC·Filed 1981·Granted Mar 15, 1983·17 cites·3 claims
- 3253US3985636AElectrodialysis apparatus electrode systemAQUA CHEM INC·Filed 1975·Granted Oct 12, 1976·13 cites·26 claims
- 3352US4082616AVapor compression distillerAQUA CHEM INC·Filed 1975·Granted Apr 4, 1978·16 cites·15 claims
- 3449US4314139AElectric boiler having means for controlling steam generationAQUA CHEM INC·Filed 1979·Granted Feb 2, 1982·11 cites·22 claims
- 3543US4343247AFluidized bed combustion method and apparatusAQUA CHEM INC·Filed 1980·Granted Aug 10, 1982·9 cites·3 claims
- 3641US5348651AMembrane simulatorAQUA CHEM INC·Filed 1993·Granted Sep 20, 1994·16 cites·6 claims
- 3741US4651654AIncineratorAQUA CHEM INC·Filed 1984·Granted Mar 24, 1987·9 cites·9 claims
- 3839US3963182ABurnerAQUA CHEM INC·Filed 1974·Granted Jun 15, 1976·8 cites·29 claims
- 3938US4344372AFluidized bed combustion deviceAQUA CHEM INC·Filed 1980·Granted Aug 17, 1982·7 cites·3 claims
- 4036US4021191AReduction of pollutants in gaseous hydrocarbon combustion productsAQUA CHEM INC·Filed 1975·Granted May 3, 1977·6 cites·11 claims
- 4131US4058087ABoilerAQUA CHEM INC·Filed 1976·Granted Nov 15, 1977·6 cites·5 claims
- 4226US4716843AWaste fuel combustion systemAQUA CHEM INC·Filed 1986·Granted Jan 5, 1988·6 cites·25 claims
- 4325US5522696AMultiple-shutter throttle characterization assembly for burnersAQUA CHEM INC·Filed 1995·Granted Jun 4, 1996·5 cites·9 claims
- 4425US5044326AFlammable waste liquid combustion system and methodAQUA CHEM INC·Filed 1990·Granted Sep 3, 1991·3 cites·3 claims
- 4525US4519773ADual cannister gas housingAQUA CHEM INC·Filed 1983·Granted May 28, 1985·2 cites·9 claims
- 4624US4566301AMethod and means of manufacturing spirally fluted tubesAQUA CHEM INC·Filed 1984·Granted Jan 28, 1986·6 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when AQUA CHEM INC 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 →