Inventor · disambiguated record

Donald H. Geesen

Also filed as: GEESEN DONALD H

6 granted patents·51 citations·filing 1978–1980

81Inventor score

Technology areasB01D

Files withPPG IND CANADA LTD6

Top patents by PatentIndex Score

6 records

0151US4276117AProcess of treating potassium chloride brine by evaporation and crystallizationPPG IND CANADA LTD·Filed 1980·Granted Jun 30, 1981·15 cites·8 claims
0251US4224035AMethod of separating salts from solutionPPG IND CANADA LTD·Filed 1978·Granted Sep 23, 1980·13 cites·13 claims
0349US4224036AMethod of concentrating salt solutionsPPG IND CANADA LTD·Filed 1978·Granted Sep 23, 1980·12 cites·20 claims
0433US4386936AProduction of potassium chloride using pond crystallizationPPG IND CANADA LTD·Filed 1979·Granted Jun 7, 1983·5 cites·17 claims
0533US4231840AMethod of concentrating an aqueous solution by multiple effect evaporatingPPG IND CANADA LTD·Filed 1979·Granted Nov 4, 1980·5 cites·3 claims
0626US4224037AMethod for operating multiple effect evaporatorsPPG IND CANADA LTD·Filed 1978·Granted Sep 23, 1980·1 cites·8 claims

Join the waitlist — get patent alerts

Get an alert when Donald H. Geesen files or is granted a new patent.

We store only your email — no account needed. See our privacy policy.

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →