Henry A. Pfeffer — 20 Patents at Fmc

Henry A. Pfeffer has been granted 20 US patents while listed as an inventor at Fmc. The first was granted in 1981 and the most recent in April 2015. Henry A. Pfeffer ranks #214,803 of 4,157,543 US inventors in our database (top 5.2%). Patent records list Henry A. Pfeffer in Mercerville, NJ, US.

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
9018142	Oil-field biocide method utilizing a peracid	John M. Rovison, Shurong Huang	2015-04-28
8877149	Combustion flue gas NOx treatment	David E. Smith	2014-11-04
8575075	Oil-field viscosity breaker method utilizing a peracid	Shurong Huang, John M. Rovison	2013-11-05	$34,911,000
8486366	Activation of reactive compound with catalyst	Timothy A. Holtz, Rodney John Truce, JoAnn Pacinelli, Luke F. Wilkinson	2013-07-16	$32,016,000
8147785	Combustion flue gas NOx treatment	David E. Smith	2012-04-03	$30,825,000
7998446	Flue gas desulfurization process utilizing hydrogen peroxide	William C. Copenhafer	2011-08-16	$8,904,000
7947745	Reducing the viscosity of an aqueous fluid	Steven B. Laramay, Charles R. George	2011-05-24	$20,928,000
6444130	Process for rendering waste from electric furnace production of phosphorus non-hazardous	James L. Manganaro, Jay R. Brummer, Bert D. McMunn, Christopher M. Knapp, William M. Copa	2002-09-03
6268191	Enzyme immobilization by imbibing an enzyme solution into dehydrated hydrocolloid gel beads	Robert K. Prud'homme, Catherine-Ann Cukras	2001-07-31
5662840	Process for making gel microbeads	William R. Thomas, Basil A. Guiliano, Christopher J. Sewall, Stephen Tomko	1997-09-02	$3,460,000
5364605	Recovery of cyanide from precious metal tailings	Gary E. Wolfe	1994-11-15	$8,517,000
5045296	Sodium carbonate perhydrate process	Charles L. Adams	1991-09-03	$2,966,000
4970058	Soda ash peroxygen carrier	William A. Hills	1990-11-13	$2,154,000
4966762	Process for manufacturing a soda ash peroxygen carrier	William A. Hills	1990-10-30	$1,967,000
4781899	Purification of crystallized solids made via continuous crystallization	Francis Rauh	1988-11-01	$2,061,000
4654204	Production of sodium bicarbonate by reversion of soda-type feed salt	William C. Copenhafer, Francis Rauh	1987-03-31	$3,185,000
4652054	Solution mining of trona or nahcolite ore with electrodialytically-produced aqueous sodium hydroxide	William C. Copenhafer	1987-03-24	$9,769,000
4462794	Method of operating a rotary calciner retrofitted to coal-firing	Judith N. Fradkin	1984-07-31	$3,076,000
4294962	Continuous process for the manufacture of cyanuric acid	Elizabeth A. Bagnall, Basil A. Guiliano	1981-10-13	$1,768,000
4282359	Purification of cyanuric acid	Basil A. Guiliano, Andrew D. Kurtz	1981-08-04	$1,549,000

Henry A. Pfeffer — 20 Patents

Issued Patents All Time

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