Assignee
MONTANA SULPHUR & CHEM
US·11 granted patents·241 citations·filing 1990–1992
Top patents by PatentIndex Score
11 records- 0175US5303843AFluid transport apparatus with water hammer eliminator systemMONTANA SULPHUR & CHEM·Filed 1990·Granted Apr 19, 1994·39 cites·39 claims
- 0266US5285998AInternal valve for pressure fluid containment vesselsMONTANA SULPHUR & CHEM·Filed 1990·Granted Feb 15, 1994·22 cites·143 claims
- 0366US5220943AInternal pump assemblyMONTANA SULPHUR & CHEM·Filed 1991·Granted Jun 22, 1993·25 cites·28 claims
- 0463US5097976AFluid containment apparatus with well closure assemblyMONTANA SULPHUR & CHEM·Filed 1990·Granted Mar 24, 1992·30 cites·2 claims
- 0562US5238022AInternal rotary valve actuator systemMONTANA SULPHUR & CHEM·Filed 1991·Granted Aug 24, 1993·23 cites·73 claims
- 0660US5228473AInternal safety valve systemMONTANA SULPHUR & CHEM·Filed 1990·Granted Jul 20, 1993·19 cites·95 claims
- 0759US5280874AInternal valveMONTANA SULPHUR & CHEM·Filed 1992·Granted Jan 25, 1994·17 cites·57 claims
- 0857US5211202AFluid apparatus with pressure-tight recessed wellMONTANA SULPHUR & CHEM·Filed 1991·Granted May 18, 1993·19 cites·105 claims
- 0956US5141013AFluid containment apparatusMONTANA SULPHUR & CHEM·Filed 1990·Granted Aug 25, 1992·18 cites·64 claims
- 1054US5251658AFluid apparatus with at least one tube wellMONTANA SULPHUR & CHEM·Filed 1991·Granted Oct 12, 1993·20 cites·74 claims
- 1141US5222517AFluid containment vessel with one or more recessed wellsMONTANA SULPHUR & CHEM·Filed 1990·Granted Jun 29, 1993·9 cites·96 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →