Assignee
COTTRELL RES INC
US·39 granted patents·995 citations·filing 1976–1991
Top patents by PatentIndex Score
39 records- 0193US4883570AApparatus and method for enhanced chemical processing in high pressure and atmospheric plasmas produced by high frequency electromagnetic wavesCOTTRELL RES INC·Filed 1987·Granted Nov 28, 1989·111 cites·63 claims
- 0289US4293320AHigh energy reverse air dust collectorCOTTRELL RES INC·Filed 1979·Granted Oct 6, 1981·49 cites·13 claims
- 0389US4122646AEquilateral derrick structureCOTTRELL RES INC·Filed 1977·Granted Oct 31, 1978·62 cites·10 claims
- 0487US4390831AElectrostatic precipitator controlCOTTRELL RES INC·Filed 1981·Granted Jun 28, 1983·82 cites·25 claims
- 0586US4375364ARigid discharge electrode for electrical precipitatorsCOTTRELL RES INC·Filed 1981·Granted Mar 1, 1983·98 cites·7 claims
- 0684US4559211AMethod for reduced temperature operation of flue gas collectorsCOTTRELL RES INC·Filed 1984·Granted Dec 17, 1985·39 cites·1 claims
- 0780US4052491AModular gas and liquid contact meansCOTTRELL RES INC·Filed 1976·Granted Oct 4, 1977·36 cites·5 claims
- 0877US4255775AElectrostatic precipitator rapper control system with enhanced accuracyCOTTRELL RES INC·Filed 1979·Granted Mar 10, 1981·23 cites·28 claims
- 0971US4406762AElectron beam coal desulfurizationCOTTRELL RES INC·Filed 1982·Granted Sep 27, 1983·18 cites·8 claims
- 1069US4322392ASO2 Scrubbing system for flue gas desulfurizationCOTTRELL RES INC·Filed 1980·Granted Mar 30, 1982·22 cites·20 claims
- 1167US5156658AElectrostatic precipitator gas inlet plenum having a corrugated perforated plateCOTTRELL RES INC·Filed 1991·Granted Oct 20, 1992·38 cites·14 claims
- 1267US4311491AElectrostatic precipitator control for high resistivity particulateCOTTRELL RES INC·Filed 1980·Granted Jan 19, 1982·31 cites·15 claims
- 1366US5165902AMethod and apparatus for reducing nitrogen dioxide emissions in a dry sodium scrubbing process using humidificationCOTTRELL RES INC·Filed 1991·Granted Nov 24, 1992·36 cites·17 claims
- 1465US4372832APollution control by spray dryer and electron beam treatmentCOTTRELL RES INC·Filed 1981·Granted Feb 8, 1983·23 cites·11 claims
- 1563US4322393AProcess for drying calcium chloride generated in high chloride flue gas desulfurization systemsCOTTRELL RES INC·Filed 1980·Granted Mar 30, 1982·26 cites·9 claims
- 1662US4395448AFilling sheet attaching means for gas and liquid contact apparatus and method of assembly of plural parallel filling sheetsCOTTRELL RES INC·Filed 1981·Granted Jul 26, 1983·33 cites·3 claims
- 1760US4451411ASupport means for transverse fill for cooling towersCOTTRELL RES INC·Filed 1982·Granted May 29, 1984·19 cites·6 claims
- 1860US4221573AElectrostatic precipitator rapping mechanismCOTTRELL RES INC·Filed 1979·Granted Sep 9, 1980·18 cites·14 claims
- 1958US4960445AProcess for removing SO2 and fly ash from flue gasCOTTRELL RES INC·Filed 1989·Granted Oct 2, 1990·16 cites·4 claims
- 2058US4525142AProcess for treating flue gas with alkali injection and electron beamCOTTRELL RES INC·Filed 1984·Granted Jun 25, 1985·18 cites·12 claims
- 2158US4285024AElectrostatic precipitator rapper control system rapper plunger lift indicatorCOTTRELL RES INC·Filed 1979·Granted Aug 18, 1981·17 cites·11 claims
- 2257US4077785ACorrosion resistant electrostatic precipitatorCOTTRELL RES INC·Filed 1977·Granted Mar 7, 1978·23 cites·11 claims
- 2355US5205177AMethod and apparatus for gas monitoringCOTTRELL RES INC·Filed 1991·Granted Apr 27, 1993·31 cites·1 claims
- 2455US4351804ASulfur dioxide scrubber with hydroclone separatorCOTTRELL RES INC·Filed 1980·Granted Sep 28, 1982·20 cites·1 claims
- 2549US4381636AFramework structureCOTTRELL RES INC·Filed 1980·Granted May 3, 1983·17 cites·15 claims
- 2647US4985219ARemoval of nitrogen oxides from waste gasesCOTTRELL RES INC·Filed 1990·Granted Jan 15, 1991·13 cites·9 claims
- 2742US4832806ARadiation for the selective destruction of toxic molecules on solid surfacesCOTTRELL RES INC·Filed 1987·Granted May 23, 1989·9 cites·3 claims
- 2841US5213780AMethod for nitrogen oxide reduction and flue gas reheatingCOTTRELL RES INC·Filed 1991·Granted May 25, 1993·8 cites·13 claims
- 2941US4256464AProcess for desulfurization of coalCOTTRELL RES INC·Filed 1979·Granted Mar 17, 1981·8 cites·5 claims
- 3041US4065281AProduction of amber glassCOTTRELL RES INC·Filed 1976·Granted Dec 27, 1977·8 cites·1 claims
- 3139US4705653ASplash bar for cooling tower fill assemblyCOTTRELL RES INC·Filed 1985·Granted Nov 10, 1987·12 cites·13 claims
- 3239US4387628AChimney sealCOTTRELL RES INC·Filed 1980·Granted Jun 14, 1983·8 cites·15 claims
- 3339US4238115AJacking deviceCOTTRELL RES INC·Filed 1979·Granted Dec 9, 1980·8 cites·14 claims
- 3435US4388282AMethod for regeneration of sodium sulfite from spent flue gas desulfurization processesCOTTRELL RES INC·Filed 1981·Granted Jun 14, 1983·5 cites·5 claims
- 3533US4278620AApparatus for reducing the detrimental wind influence on cooling towersCOTTRELL RES INC·Filed 1980·Granted Jul 14, 1981·4 cites·4 claims
- 3633US4212383ADrag conveyor and hopper assemblyCOTTRELL RES INC·Filed 1978·Granted Jul 15, 1980·2 cites·6 claims
- 3731US4256712ARegenerable process for SO2 removal employing gelatinous aluminum hydroxide as absorbentCOTTRELL RES INC·Filed 1978·Granted Mar 17, 1981·3 cites·17 claims
- 3818US4270086AElectromagnetic plunger drop timerCOTTRELL RES INC·Filed 1979·Granted May 26, 1981·0 cites·9 claims
- 3917US4245568ARoof baffles for fluework transporting dust-laden gasesCOTTRELL RES INC·Filed 1979·Granted Jan 20, 1981·1 cites·4 claims
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