Assignee
ENVIRONMENTAL ELEMENTS CORP
30 granted patents·1 pending application·1,184 citations·filing 1974–2002
Top patents by PatentIndex Score
31 records- 0194US5707428ALaminar flow electrostatic precipitation systemENVIRONMENTAL ELEMENTS CORP·Filed 1995·Granted Jan 13, 1998·124 cites·9 claims
- 0292US5733360ACorona discharge reactor and method of chemically activating constituents therebyENVIRONMENTAL ELEMENTS CORP·Filed 1996·Granted Mar 31, 1998·117 cites·5 claims
- 0391US6245132B1Air filter with combined enhanced collection efficiency and surface sterilizationENVIRONMENTAL ELEMENTS CORP·Filed 2000·Granted Jun 12, 2001·81 cites·7 claims
- 0491US4895491AFan blade protection systemENVIRONMENTAL ELEMENTS CORP·Filed 1988·Granted Jan 23, 1990·117 cites·20 claims
- 0586US4655804AHopper gas distribution systemENVIRONMENTAL ELEMENTS CORP·Filed 1985·Granted Apr 7, 1987·117 cites·19 claims
- 0685US5695549ASystem for removing fine particulates from a gas streamENVIRONMENTAL ELEMENTS CORP·Filed 1996·Granted Dec 9, 1997·85 cites·18 claims
- 0782US6245126B1Method for enhancing collection efficiency and providing surface sterilization of an air filterENVIRONMENTAL ELEMENTS CORP·Filed 1999·Granted Jun 12, 2001·117 cites·6 claims
- 0880US4343194AFlow sensing apparatusENVIRONMENTAL ELEMENTS CORP·Filed 1980·Granted Aug 10, 1982·36 cites·4 claims
- 0975US5785932ACatalytic reactor for oxidizing mercury vaporENVIRONMENTAL ELEMENTS CORP·Filed 1996·Granted Jul 28, 1998·53 cites·27 claims
- 1068US4372170AFlow measuring apparatusENVIRONMENTAL ELEMENTS CORP·Filed 1977·Granted Feb 8, 1983·20 cites·2 claims
- 1166US4811197AElectrostatic dust collector systemENVIRONMENTAL ELEMENTS CORP·Filed 1987·Granted Mar 7, 1989·33 cites·31 claims
- 1264US4481172AProcess for removal of sulfur oxides from waste gasesENVIRONMENTAL ELEMENTS CORP·Filed 1983·Granted Nov 6, 1984·22 cites·8 claims
- 1362US5626652ALaminar flow electrostatic precipitator having a moving electrodeENVIRONMENTAL ELEMENTS CORP·Filed 1996·Granted May 6, 1997·33 cites·20 claims
- 1461US5311420AAutomatic back corona detection and protection systemENVIRONMENTAL ELEMENTS CORP·Filed 1992·Granted May 10, 1994·30 cites·17 claims
- 1557US4026683AInlet duct and hopper apparatus for electrostatic precipitatorsENVIRONMENTAL ELEMENTS CORP·Filed 1975·Granted May 31, 1977·22 cites·8 claims
- 1656US4446027ABuoyant media filterENVIRONMENTAL ELEMENTS CORP·Filed 1982·Granted May 1, 1984·24 cites·11 claims
- 1752US4617131AMethod and system of cleansing a filter bedENVIRONMENTAL ELEMENTS CORP·Filed 1985·Granted Oct 14, 1986·14 cites·21 claims
- 1851US4251027AVariable volume control assemblyENVIRONMENTAL ELEMENTS CORP·Filed 1980·Granted Feb 17, 1981·16 cites·4 claims
- 1949US4196849AVariable volume control assemblyENVIRONMENTAL ELEMENTS CORP·Filed 1977·Granted Apr 8, 1980·11 cites·21 claims
- 2047US4764288AMethod and system for cleansing a filter bedENVIRONMENTAL ELEMENTS CORP·Filed 1986·Granted Aug 16, 1988·13 cites·16 claims
- 2147US4042354AElectrostatic precipitator having an improved discharge and collector electrode system and gas distribution meansENVIRONMENTAL ELEMENTS CORP·Filed 1975·Granted Aug 16, 1977·12 cites·6 claims
- 2246US5229077ASulfur rate control systemENVIRONMENTAL ELEMENTS CORP·Filed 1991·Granted Jul 20, 1993·15 cites·7 claims
- 2344US5759240ALaminar flow electrostatic precipitator with sandwich structure electrodesENVIRONMENTAL ELEMENTS CORP·Filed 1997·Granted Jun 2, 1998·13 cites·6 claims
- 2444US3972701AElectrostatic precipitator having electrode stabilizer meansENVIRONMENTAL ELEMENTS CORP·Filed 1974·Granted Aug 3, 1976·13 cites·8 claims
- 2543US4609009AStepped plenum systemENVIRONMENTAL ELEMENTS CORP·Filed 1985·Granted Sep 2, 1986·15 cites·20 claims
- 2642US5725638AModular electrostatic precipitation dust collection plate assemblyENVIRONMENTAL ELEMENTS CORP·Filed 1996·Granted Mar 10, 1998·12 cites·20 claims
- 2728US2003118494A1Process and apparatus for conditioning of combustion flue gases with ammonia from hydrolyzed ureaENVIRONMENTAL ELEMENTS CORP·Filed 2002·Application pending·0 cites
- 2827US4166036AFloating skimming apparatusENVIRONMENTAL ELEMENTS CORP·Filed 1975·Granted Aug 28, 1979·8 cites·12 claims
- 2927US4048076ACenter column drive arrangement for circular clarifiersENVIRONMENTAL ELEMENTS CORP·Filed 1975·Granted Sep 13, 1977·6 cites·4 claims
- 3023US4615505AFluid valve systemENVIRONMENTAL ELEMENTS CORP·Filed 1985·Granted Oct 7, 1986·3 cites·13 claims
- 3122US4597782AFilter bag tensioning system and methodENVIRONMENTAL ELEMENTS CORP·Filed 1985·Granted Jul 1, 1986·2 cites·27 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →