Inventor · disambiguated record
Donald L. Zink
Also filed as: ZINK DONALD L · ZINK DONALD LAWRENCE
14 granted patents·284 citations·filing 1990–2014
94Inventor score
Top patents by PatentIndex Score
14 records- 0183US9657247B2Auxiliary acid and sour gas treatment system and methodZINK DONALD LAWRENCE·Filed 2014·Granted May 23, 2017·9 cites·22 claims
- 0275US5303843AFluid transport apparatus with water hammer eliminator systemMONTANA SULPHUR & CHEM·Filed 1990·Granted Apr 19, 1994·39 cites·39 claims
- 0366US5285998AInternal valve for pressure fluid containment vesselsMONTANA SULPHUR & CHEM·Filed 1990·Granted Feb 15, 1994·22 cites·143 claims
- 0466US5220943AInternal pump assemblyMONTANA SULPHUR & CHEM·Filed 1991·Granted Jun 22, 1993·25 cites·28 claims
- 0563US5097976AFluid containment apparatus with well closure assemblyMONTANA SULPHUR & CHEM·Filed 1990·Granted Mar 24, 1992·30 cites·2 claims
- 0662US5238022AInternal rotary valve actuator systemMONTANA SULPHUR & CHEM·Filed 1991·Granted Aug 24, 1993·23 cites·73 claims
- 0760US5228473AInternal safety valve systemMONTANA SULPHUR & CHEM·Filed 1990·Granted Jul 20, 1993·19 cites·95 claims
- 0859US5280874AInternal valveMONTANA SULPHUR & CHEM·Filed 1992·Granted Jan 25, 1994·17 cites·57 claims
- 0957US5211202AFluid apparatus with pressure-tight recessed wellMONTANA SULPHUR & CHEM·Filed 1991·Granted May 18, 1993·19 cites·105 claims
- 1056US5386845AFluid transport apparatus with side recessed fitting wellMONTANA SULPHUR & CHEMICAL COM·Filed 1993·Granted Feb 7, 1995·22 cites·20 claims
- 1156US5141013AFluid containment apparatusMONTANA SULPHUR & CHEM·Filed 1990·Granted Aug 25, 1992·18 cites·64 claims
- 1254US5251658AFluid apparatus with at least one tube wellMONTANA SULPHUR & CHEM·Filed 1991·Granted Oct 12, 1993·20 cites·74 claims
- 1341US5222517AFluid containment vessel with one or more recessed wellsMONTANA SULPHUR & CHEM·Filed 1990·Granted Jun 29, 1993·9 cites·96 claims
- 1438US5312012AVapor space water hammer eliminator system for liquid transport apparatusesMONTANA SULPHUR & CHEMICAL COM·Filed 1991·Granted May 17, 1994·12 cites·36 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →