Assignee
UNITED AIR SPECIALISTS
US·23 granted patents·1,195 citations·filing 1973–2002
Top patents by PatentIndex Score
23 records- 0197US4231766ATwo stage electrostatic precipitator with electric field induced airflowUNITED AIR SPECIALISTS·Filed 1978·Granted Nov 4, 1980·175 cites·17 claims
- 0296US5330559AMethod and apparatus for electrostatically cleaning particulates from airUNITED AIR SPECIALISTS·Filed 1992·Granted Jul 19, 1994·195 cites·39 claims
- 0395US5474599AApparatus for electrostatically cleaning particulates from airUNITED AIR SPECIALISTS·Filed 1994·Granted Dec 12, 1995·140 cites·30 claims
- 0494US4781736AElectrostatically enhanced HEPA filterUNITED AIR SPECIALISTS·Filed 1986·Granted Nov 1, 1988·103 cites·8 claims
- 0589US6902592B2Apparatus and method for cleaning an air filter unitUNITED AIR SPECIALISTS·Filed 2002·Granted Jun 7, 2005·90 cites·15 claims
- 0688US4351648AElectrostatic precipitator having dual polarity ionizing cellUNITED AIR SPECIALISTS·Filed 1979·Granted Sep 28, 1982·54 cites·4 claims
- 0778US4335414AAutomatic reset current cut-off for an electrostatic precipitator power supplyUNITED AIR SPECIALISTS·Filed 1980·Granted Jun 15, 1982·37 cites·15 claims
- 0877US4162144AMethod and apparatus for treating electrically charged airborne particlesUNITED AIR SPECIALISTS·Filed 1977·Granted Jul 24, 1979·33 cites·10 claims
- 0976USD268282SFume capture hoodUNITED AIR SPECIALISTS·Filed 1980·Granted Mar 15, 1983·15 cites·1 claims
- 1076US4061961ACircuit for controlling the duty cycle of an electrostatic precipitator power supplyUNITED AIR SPECIALISTS·Filed 1976·Granted Dec 6, 1977·39 cites·2 claims
- 1174US4318152ADigital high voltage monitor and display for electrostatic precipitatorsUNITED AIR SPECIALISTS·Filed 1979·Granted Mar 2, 1982·23 cites·19 claims
- 1269US3961018AMethod for purification of gas streams by removal of acidic gasesUNITED AIR SPECIALISTS·Filed 1973·Granted Jun 1, 1976·34 cites·11 claims
- 1368US4484451ATwo-stage gas condenser with feedback coolingUNITED AIR SPECIALISTS·Filed 1980·Granted Nov 27, 1984·28 cites·5 claims
- 1468US4240809AElectrostatic precipitator having traversing collector washing mechanismUNITED AIR SPECIALISTS·Filed 1979·Granted Dec 23, 1980·25 cites·12 claims
- 1567US5209410AElectrostatic dispensing nozzle assemblyUNITED AIR SPECIALISTS·Filed 1992·Granted May 11, 1993·41 cites·31 claims
- 1666US4318337ASource capture fume reduction apparatusUNITED AIR SPECIALISTS·Filed 1980·Granted Mar 9, 1982·22 cites·10 claims
- 1765US5556448AElectrostatic precipitator that operates in conductive grease atmosphereUNITED AIR SPECIALISTS·Filed 1995·Granted Sep 17, 1996·35 cites·10 claims
- 1862US4365480AProcess gas treating apparatusUNITED AIR SPECIALISTS·Filed 1980·Granted Dec 28, 1982·17 cites·15 claims
- 1959US4484396AOxygen reduction system and condenser apparatus with automatic defrostUNITED AIR SPECIALISTS·Filed 1980·Granted Nov 27, 1984·15 cites·18 claims
- 2058US4134741AFoam cleaning system for an electrostatic precipitatorUNITED AIR SPECIALISTS·Filed 1977·Granted Jan 16, 1979·18 cites·8 claims
- 2153US4057405AMeans for the cleaning and self-cleaning of an electrostatic precipitatorUNITED AIR SPECIALISTS·Filed 1976·Granted Nov 8, 1977·15 cites·5 claims
- 2248US5503336AHigh volume - low volume electrostatic dispensing nozzle assemblyUNITED AIR SPECIALISTS·Filed 1994·Granted Apr 2, 1996·21 cites·16 claims
- 2344US5441204AElectrostatic fluid distribution nozzleUNITED AIR SPECIALISTS·Filed 1994·Granted Aug 15, 1995·20 cites·7 claims
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