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William R. Erickson
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Lakeland, FL, US
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last 30 patents
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Patent Grant
Process for the production of high purity silica from waste by-prod...
Patent number
5,853,685
Issue date
Dec 29, 1998
William R. Erickson
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of phosphoric acid and calcium fluoride
Patent number
5,531,975
Issue date
Jul 2, 1996
Phosphate Engineering & Construction Co., Inc.
William R. Erickson
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of phosphoric acid and hydrogen fluoride...
Patent number
5,427,757
Issue date
Jun 27, 1995
Phosphate Engineering and Construction Co.
William R. Erickson
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of phosphoric acid and hydrogen fluoride...
Patent number
5,180,569
Issue date
Jan 19, 1993
Phosphate Engineering and Construction Company
William R. Erickson
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Apparatus for producing phosphoric acid from phosphate ore
Patent number
5,093,088
Issue date
Mar 3, 1992
Potash Corporation of Saskatchewan
Gary D. Derdall
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Production of monobasic potassium phosphate with low chloride conte...
Patent number
4,885,148
Issue date
Dec 5, 1989
Phosphate Engineering & Construction Co., Inc.
William R. Erickson
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for producing phosphoric acid from phosphate ore
Patent number
4,828,811
Issue date
May 9, 1989
Potash Corporation of Saskatchewan
Gary D. Derdall
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Production of potassium phosphates by ion exchange
Patent number
4,704,263
Issue date
Nov 3, 1987
Advanced Separation Technologies Incorporated
W. Wes Berry
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Removal of ammonia from wastewater
Patent number
4,695,387
Issue date
Sep 22, 1987
Advanced Separation Technologies Incorporated
W. Wes Berry
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Adjustably metered transfer of resin increments in folded bed ion e...
Patent number
4,461,710
Issue date
Jul 24, 1984
American Petro Mart, Inc.
William R. Erickson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method of selectively removing adsorbed calcium and magnesium from...
Patent number
4,363,880
Issue date
Dec 14, 1982
American Petro Mart, Inc.
Solon G. Whitney
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...