Inventor · disambiguated record
Robert T. Fischer
Also filed as: FISCHER ROBERT · FISCHER ROBERT T
14 granted patents·3 pending applications·503 citations·filing 1974–2012
94Inventor score
Top patents by PatentIndex Score
17 records- 0193US4601244AOperating system for railroad hopper car gate assembly doorsMINER ENTERPRISES·Filed 1985·Granted Jul 22, 1986·85 cites·9 claims
- 0292US6019049ARailroad hopper car door assemblyMINER ENTERPRISES·Filed 1998·Granted Feb 1, 2000·79 cites·37 claims
- 0390US6279487B1Railroad hopper car door assemblyMINER ENTERPRISES·Filed 1999·Granted Aug 28, 2001·66 cites·26 claims
- 0487US6604469B1Apparatus for controlling operation of railroad hopper car discharge doorsMINER ENTERPRISES·Filed 2002·Granted Aug 12, 2003·37 cites·18 claims
- 0579US5163372AUnit for actuating gates of a hopper railroad carMINER ENTERPRISES·Filed 1991·Granted Nov 17, 1992·42 cites·9 claims
- 0677US4542701ATamper-proof railroad hopper car door operating systemMINER ENTERPRISES·Filed 1983·Granted Sep 24, 1985·33 cites·17 claims
- 0775US4256042ARailway hopper car sliding gate lockMINER ENTERPRISES·Filed 1979·Granted Mar 17, 1981·28 cites·2 claims
- 0869US5829359ARailway hopper car discharge gate assemblyMINER ENTERPRISES·Filed 1996·Granted Nov 3, 1998·30 cites·40 claims
- 0966US3956996APivoted slide gate lockMINER ENTERPRISES·Filed 1974·Granted May 18, 1976·18 cites·3 claims
- 1065USRE35925EApparatus for controlling operation of a railcar discharge gate assembly having a lost motion mechanism for unlocking the gate prior to movementMINER ENTERPRISES·Filed 1996·Granted Oct 20, 1998·22 cites·20 claims
- 1164US4253400ARailway hopper car sliding gate closing mechanismMINER ENTERPRISES·Filed 1979·Granted Mar 3, 1981·23 cites·3 claims
- 1260US8136615B2Method for operating an internal combustion enginePELS THOMAS·Filed 2006·Granted Mar 20, 2012·5 cites·21 claims
- 1359US5086709ASliding gate structure with dual linkage per single actuator arrangementMINER ENTERPRISES·Filed 1990·Granted Feb 11, 1992·21 cites·1 claims
- 1456US4454822AGate assembly unit for ballast distribution from railroad carMINER ENTERPRISES·Filed 1982·Granted Jun 19, 1984·14 cites·4 claims
- 1542US2012136521A1Method for operating an internal combustion enginePELS THOMAS·Filed 2012·Application pending·0 cites
- 1640US2012116625A1Method for Operating an Internal Combustion EnginePELS THOMAS·Filed 2011·Application pending·0 cites
- 1729US2012086217A1Power Generation ApparatusBENDA VINCENT·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →