William R. Epperly — 18 Patents at Fuel Tech

William R. Epperly has been granted 18 US patents while listed as an inventor at Fuel Tech. The first was granted in 1982 and the most recent in December 1991. William R. Epperly ranks #245,716 of 4,157,543 US inventors in our database (top 5.9%). Patent records list William R. Epperly in Summit, NJ, US.

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5069720	Method and composition for the reduction of ammonia emissions from non-acidic residue	Barry N. Sprague	1991-12-03
5057293	Multi-stage process for reducing the concentration of pollutants in an effluent	Jeremy D. Peter-Hoblyn, George F. Shulof, Jr., James C. Sullivan, Barry N. Sprague, John H. O'Leary	1991-10-15
5017347	Process for nitrogen oxides reduction and minimization of the production of other pollutants	James C. Sullivan, Barry N. Sprague, John H. O'Leary	1991-05-21
4902488	Process for nitrogen oxides reduction with minimization of the production of other pollutants	John H. O'Leary, James C. Sullivan, Barry N. Sprague	1990-02-20
4888165	Process for the reduction of nitrogen oxides in an effluent using a heterocyclic hydrocarbon	James C. Sullivan	1989-12-19
4877591	Process for the reduction of nitrogen oxides in an effluent using sugar	James C. Sullivan	1989-10-31
4877590	Process for nitrogen oxides reduction with minimization of the production of other pollutants	John H. O'Leary, James C. Sullivan, Barry N. Sprague	1989-10-31
4873066	Low temperature process for the reduction of nitrgen oxides in an effluent	James C. Sullivan, Barry N. Sprague	1989-10-10
4863705	Process for the reduction of nitrogen oxides in an effluent	James C. Sullivan, Barry N. Sprague	1989-09-05
4863704	Multi-stage process for reducing the concentration of pollutants in an effluent using an ammonium salt	Jeremy D. Peter-Hoblyn, George F. Shulof, Jr., James C. Sullivan, Barry N. Sprague	1989-09-05
4844878	Process for the reduction of nitrogen oxides in an effluent	James C. Sullivan, Barry N. Sprague	1989-07-04
4830839	Ammonia scrubbing	Jeremy D. Peter-Hoblyn, James C. Sullivan	1989-05-16
4822577	Method for the reduction of sulfur trioxide in an effluent	James C. Sullivan, Barry N. Sprague	1989-04-18
4803059	Process for the reduction of nitrogen oxides in an effluent using a hydroxy amino hydrocarbon	James C. Sullivan	1989-02-07
4780289	Process for nitrogen oxides reduction and minimization of the production of other pollutants	John H. O'Leary, James C. Sullivan	1988-10-25
4777024	Multi-stage process for reducing the concentration of pollutants in an effluent	Jeremy D. Peter-Hoblyn, George F. Shulof, Jr., James C. Sullivan	1988-10-11
4770863	Process for the reduction of nitrogen oxides in an effluent	James C. Sullivan	1988-09-13
4332667	Liquefaction process for solid carbonaceous materials containing alkaline earth metal humates	Barry C. Deane, Roy J. Brunson	1982-06-01	$10,881,000

William R. Epperly — 18 Patents

Issued Patents All Time

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