Assignee
MIDLAND MFG CORP
US·21 granted patents·584 citations·filing 1981–1998
Top patents by PatentIndex Score
21 records- 0185US4924703ATank-level alarm control systemMIDLAND MFG CORP·Filed 1989·Granted May 15, 1990·34 cites·7 claims
- 0284US5394650AManway cover balancing mechanismMIDLAND MFG CORP·Filed 1994·Granted Mar 7, 1995·70 cites·15 claims
- 0383US5544675AFrangible valve handleMIDLAND MFG CORP·Filed 1995·Granted Aug 13, 1996·51 cites·13 claims
- 0482US5194747ALiquid level gauge comparing moldulations of incident and reflected loser beamsMIDLAND MFG CORP·Filed 1991·Granted Mar 16, 1993·69 cites·12 claims
- 0576US5585786AOptical tank-level gaugeMIDLAND MFG CORP·Filed 1995·Granted Dec 17, 1996·46 cites·18 claims
- 0675US5874899ATank level gauge and sensor head thereforMIDLAND MFG CORP·Filed 1998·Granted Feb 23, 1999·46 cites·20 claims
- 0775US5124686ATank level alarm control systemMIDLAND MFG CORP·Filed 1990·Granted Jun 23, 1992·47 cites·16 claims
- 0875US5020367ATank-level gaugeMIDLAND MFG CORP·Filed 1990·Granted Jun 4, 1991·42 cites·11 claims
- 0971US5257771APowered actuator for valveMIDLAND MFG CORP·Filed 1993·Granted Nov 2, 1993·32 cites·20 claims
- 1070US5340078AActuator for valveMIDLAND MFG CORP·Filed 1993·Granted Aug 23, 1994·30 cites·20 claims
- 1163US5648844ALaser liquid level gauge with diffuserMIDLAND MFG CORP·Filed 1995·Granted Jul 15, 1997·30 cites·18 claims
- 1251US5269342AT-fittingMIDLAND MFG CORP·Filed 1993·Granted Dec 14, 1993·14 cites·11 claims
- 1349US5165444ASpill valveMIDLAND MFG CORP·Filed 1991·Granted Nov 24, 1992·11 cites·18 claims
- 1445US4763581AMulti-station carrel unitMIDLAND MFG CORP·Filed 1986·Granted Aug 16, 1988·20 cites·7 claims
- 1541US5131694AJoint seal between valve body and removable portMIDLAND MFG CORP·Filed 1991·Granted Jul 21, 1992·13 cites·9 claims
- 1640US5904870ALaser lens heaterMIDLAND MFG CORP·Filed 1998·Granted May 18, 1999·10 cites·18 claims
- 1736US5342026AValve including resilient mount for pinMIDLAND MFG CORP·Filed 1993·Granted Aug 30, 1994·6 cites·20 claims
- 1832US4461397AProtective device for mobile tanks having bottom discontinuitiesMIDLAND MFG CORP·Filed 1981·Granted Jul 24, 1984·4 cites·1 claims
- 1930US5886642ATank barge interfaceMIDLAND MFG CORP·Filed 1997·Granted Mar 23, 1999·5 cites·19 claims
- 2030USD303048SCarrel unitMIDLAND MFG CORP·Filed 1986·Granted Aug 29, 1989·2 cites·1 claims
- 2120US5886312ASwitch level control for tank ullage determining systemMIDLAND MFG CORP·Filed 1997·Granted Mar 23, 1999·2 cites·23 claims
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