Inventor

ERICKSON WILLIAM R

US12 patents

⚠️ This page may combine multiple inventors who share the name “ERICKSON WILLIAM R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PHOSPHATE ENGINEERING AND CONS

3 patents

US5531975AJul 2, 1996

Process for the production of phosphoric acid and calcium fluoride

PHOSPHATE ENGINEERING AND CONS15 citations69

US5427757AJun 27, 1995

Process for the production of phosphoric acid and hydrogen fluoride from phosphate rock and fluosilicic acid

PHOSPHATE ENGINEERING AND CONS11 citations69

US5180569AJan 19, 1993

Process for the production of phosphoric acid and hydrogen fluoride from phosphate rock and fluosilicic acid

PHOSPHATE ENGINEERING AND CONS7 citations69

ADVANCED SEPARATION TECH

2 patents

US4695387ASep 22, 1987

Removal of ammonia from wastewater

ADVANCED SEPARATION TECH53 citations91

US4704263ANov 3, 1987

Production of potassium phosphates by ion exchange

ADVANCED SEPARATION TECH10 citations72

AMERICAN PETRO MART INC

2 patents

US4461710AJul 24, 1984

Adjustably metered transfer of resin increments in folded bed ion exchange systems

AMERICAN PETRO MART INC11 citations71

US4363880ADec 14, 1982

Method of selectively removing adsorbed calcium and magnesium from cation exchange resins

AMERICAN PETRO MART INC18 citations71

SASKATCHEWAN POTASH

2 patents

US5093088AMar 3, 1992

Apparatus for producing phosphoric acid from phosphate ore

SASKATCHEWAN POTASH13 citations70

US4828811AMay 9, 1989

Method for producing phosphoric acid from phosphate ore

SASKATCHEWAN POTASH9 citations70

(unassigned)

1 patent

US5853685ADec 29, 1998

Process for the production of high purity silica from waste by-product silica and hydrogen fluoride

23 citations91

PHOSPHATE ENGINEERING & CONSTR

1 patent

US4885148ADec 5, 1989

Production of monobasic potassium phosphate with low chloride content from potassium chloride and phosphoric acid produced from the commercial wet process

PHOSPHATE ENGINEERING & CONSTR22 citations80

BENKO ZOLTAN L

1 patent

US8288392B2Oct 16, 2012

Pesticidal compositions

BENKO ZOLTAN L0 citations49