Assignee
AMERICAN AIR FILTER CO
81 granted patents·2 pending applications·1,996 citations·filing 1974–2014
Top patents by PatentIndex Score
83 records- 0193US4164901AIndoor gun firing range enclosure having a ventilation systemAMERICAN AIR FILTER CO·Filed 1978·Granted Aug 21, 1979·88 cites·12 claims
- 0292US4276069AFilter arrangementAMERICAN AIR FILTER CO·Filed 1979·Granted Jun 30, 1981·62 cites·10 claims
- 0392US4264345AFilter housingAMERICAN AIR FILTER CO·Filed 1979·Granted Apr 28, 1981·64 cites·6 claims
- 0490US3999969AAir filtering unitAMERICAN AIR FILTER CO·Filed 1975·Granted Dec 28, 1976·62 cites·13 claims
- 0589US4198454ALightweight composite panelAMERICAN AIR FILTER CO·Filed 1978·Granted Apr 15, 1980·128 cites·11 claims
- 0689US4135900AGas filter deviceAMERICAN AIR FILTER CO·Filed 1977·Granted Jan 23, 1979·63 cites·11 claims
- 0788US9320996B1Filter housing utilizing heat shrinkable materialsAMERICAN AIR FILTER CO·Filed 2013·Granted Apr 26, 2016·10 cites·20 claims
- 0886US4217122AFilter retaining latchAMERICAN AIR FILTER CO·Filed 1978·Granted Aug 12, 1980·49 cites·8 claims
- 0984US4124361ASealing device for filter cellsAMERICAN AIR FILTER CO·Filed 1977·Granted Nov 7, 1978·44 cites·5 claims
- 1083US4255175AGas separation filter device having a handleAMERICAN AIR FILTER CO·Filed 1979·Granted Mar 10, 1981·70 cites·2 claims
- 1182US4300927APocket filter arrangementAMERICAN AIR FILTER CO·Filed 1980·Granted Nov 17, 1981·42 cites·8 claims
- 1282US4266956AFilter clamping deviceAMERICAN AIR FILTER CO·Filed 1979·Granted May 12, 1981·41 cites·10 claims
- 1381US3941571AFilter pleat fold spacerAMERICAN AIR FILTER CO·Filed 1975·Granted Mar 2, 1976·41 cites·6 claims
- 1480US4272262AGas-separation filter deviceAMERICAN AIR FILTER CO·Filed 1979·Granted Jun 9, 1981·47 cites·8 claims
- 1579US4031819AApparatus for collecting and conveying of fumes from a furnaceAMERICAN AIR FILTER CO·Filed 1976·Granted Jun 28, 1977·27 cites·6 claims
- 1679US3989465AApparatus for controlling reaction conditions in a sulfur dioxide scrubberAMERICAN AIR FILTER CO·Filed 1975·Granted Nov 2, 1976·39 cites·4 claims
- 1778US4312648APocket filter arrangementAMERICAN AIR FILTER CO·Filed 1980·Granted Jan 26, 1982·35 cites·6 claims
- 1878US4061082AVentilating air filtering and distributing deviceAMERICAN AIR FILTER CO·Filed 1975·Granted Dec 6, 1977·37 cites·15 claims
- 1977US4272263AFilter arrangementAMERICAN AIR FILTER CO·Filed 1979·Granted Jun 9, 1981·48 cites·10 claims
- 2077US4162904ASilencer-separator deviceAMERICAN AIR FILTER CO·Filed 1978·Granted Jul 31, 1979·37 cites·10 claims
- 2176US4164399AWet scrubbing deviceAMERICAN AIR FILTER CO·Filed 1977·Granted Aug 14, 1979·36 cites·6 claims
- 2276US3975995AVentilated ceiling constructionAMERICAN AIR FILTER CO·Filed 1975·Granted Aug 24, 1976·34 cites·4 claims
- 2375US4171211AAir filtering unitAMERICAN AIR FILTER CO·Filed 1978·Granted Oct 16, 1979·40 cites·5 claims
- 2475US4056374ATubular gas filterAMERICAN AIR FILTER CO·Filed 1976·Granted Nov 1, 1977·25 cites·9 claims
- 2574US4204847AMist eliminator device for a wet scrubber apparatusAMERICAN AIR FILTER CO·Filed 1978·Granted May 27, 1980·35 cites·12 claims
- 2671US3985528AControl means and automatic roll-type filterAMERICAN AIR FILTER CO·Filed 1975·Granted Oct 12, 1976·29 cites·3 claims
- 2771US3950910AShelter panelAMERICAN AIR FILTER CO·Filed 1974·Granted Apr 20, 1976·37 cites·4 claims
- 2870US4063750ACombination towbar and parking standAMERICAN AIR FILTER CO·Filed 1976·Granted Dec 20, 1977·20 cites·9 claims
- 2969US4247316AGas separation filter device having a handleAMERICAN AIR FILTER CO·Filed 1979·Granted Jan 27, 1981·22 cites·6 claims
- 3068US4027654ADamper assembly for high temperature or corrosive gasesAMERICAN AIR FILTER CO·Filed 1975·Granted Jun 7, 1977·15 cites·9 claims
- 3166US4127397ADischarge apparatus for filter assembly for radioactive contaminantsAMERICAN AIR FILTER CO·Filed 1977·Granted Nov 28, 1978·21 cites·3 claims
- 3265US4204980AMethod and composition for removing iodine from gasesAMERICAN AIR FILTER CO·Filed 1976·Granted May 27, 1980·23 cites·1 claims
- 3365US4049406AFluid filter housing and assemblyAMERICAN AIR FILTER CO·Filed 1976·Granted Sep 20, 1977·28 cites·8 claims
- 3464US4164211ADamper assemblyAMERICAN AIR FILTER CO·Filed 1977·Granted Aug 14, 1979·19 cites·5 claims
- 3564US4127183ASilencer deviceAMERICAN AIR FILTER CO·Filed 1978·Granted Nov 28, 1978·25 cites·9 claims
- 3663US4171621AFreeze protection device in heat pump systemAMERICAN AIR FILTER CO·Filed 1974·Granted Oct 23, 1979·21 cites·3 claims
- 3763US4104042AMulti-storied electrostatic precipitatorAMERICAN AIR FILTER CO·Filed 1977·Granted Aug 1, 1978·25 cites·2 claims
- 3863US4003727ATubular filter connectorAMERICAN AIR FILTER CO·Filed 1975·Granted Jan 18, 1977·20 cites·3 claims
- 3962US4280595APositive brake for a vehicle wheelAMERICAN AIR FILTER CO·Filed 1979·Granted Jul 28, 1981·31 cites·8 claims
- 4060US4164547AProcess for removing sulfur dioxide in a wet scrubberAMERICAN AIR FILTER CO·Filed 1977·Granted Aug 14, 1979·26 cites·2 claims
- 4160US4061373ADoor latch deviceAMERICAN AIR FILTER CO·Filed 1976·Granted Dec 6, 1977·16 cites·7 claims
- 4260US3942964AClean room perforated floor panelAMERICAN AIR FILTER CO·Filed 1974·Granted Mar 9, 1976·19 cites·5 claims
- 4359US4122893AAir conditioning systemAMERICAN AIR FILTER CO·Filed 1977·Granted Oct 31, 1978·19 cites·10 claims
- 4459US4072329AFlexible fluid connecting deviceAMERICAN AIR FILTER CO·Filed 1976·Granted Feb 7, 1978·14 cites·5 claims
- 4558US4253856AFilter arrangementAMERICAN AIR FILTER CO·Filed 1979·Granted Mar 3, 1981·23 cites·10 claims
- 4658US4103708AVentilated poppet damperAMERICAN AIR FILTER CO·Filed 1976·Granted Aug 1, 1978·9 cites·18 claims
- 4758US4078576AGas mixerAMERICAN AIR FILTER CO·Filed 1976·Granted Mar 14, 1978·23 cites·3 claims
- 4858US3984217AWet gas cleaning systemAMERICAN AIR FILTER CO·Filed 1975·Granted Oct 5, 1976·18 cites·9 claims
- 4957US4342153APitch diameter gauge for a variable speed pulleyAMERICAN AIR FILTER CO·Filed 1980·Granted Aug 3, 1982·20 cites·6 claims
- 5057US4309978AForced air heaterAMERICAN AIR FILTER CO·Filed 1980·Granted Jan 12, 1982·18 cites·16 claims
Showing the top 50 of 83 patent records by PatentIndex Score.
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