Inventor · disambiguated record
Gary Derdall
Also filed as: DERDALL GARY · DERDALL GARY D
6 granted patents·117 citations·filing 1986–2002
84Inventor score
Top patents by PatentIndex Score
6 records- 0179US5460765AProcess for pan granulating a particulate materialFiled 1994·Granted Oct 24, 1995·57 cites·23 claims
- 0272US5143599AProcess for refining kaolinKAOLIN IND LTD·Filed 1991·Granted Sep 1, 1992·28 cites·25 claims
- 0359US5093088AApparatus for producing phosphoric acid from phosphate oreSASKATCHEWAN POTASH·Filed 1989·Granted Mar 3, 1992·13 cites·12 claims
- 0457US6986878B2Method of producing potassium sulfate via cation exchangeDIRDAL RAND TECHNOLOGIES·Filed 2002·Granted Jan 17, 2006·3 cites·9 claims
- 0549US4828811AMethod for producing phosphoric acid from phosphate oreSASKATCHEWAN POTASH·Filed 1987·Granted May 9, 1989·9 cites·31 claims
- 0646US4735683AProcess for preparation of potassium salts from pulp of lignocellulosic materialsSASKATCHEWAN POTASH·Filed 1986·Granted Apr 5, 1988·7 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →