Inventor · disambiguated record
Guadalupe L. Galvan
Also filed as: GALVAN GUADALUPE L
10 granted patents·294 citations·filing 1990–2015
91Inventor score
Top patents by PatentIndex Score
10 records- 0192US6019049ARailroad hopper car door assemblyMINER ENTERPRISES·Filed 1998·Granted Feb 1, 2000·79 cites·37 claims
- 0290US6279487B1Railroad hopper car door assemblyMINER ENTERPRISES·Filed 1999·Granted Aug 28, 2001·66 cites·26 claims
- 0387US6604469B1Apparatus for controlling operation of railroad hopper car discharge doorsMINER ENTERPRISES·Filed 2002·Granted Aug 12, 2003·37 cites·18 claims
- 0479US5163372AUnit for actuating gates of a hopper railroad carMINER ENTERPRISES·Filed 1991·Granted Nov 17, 1992·42 cites·9 claims
- 0573US8485110B2Apparatus for controlling discharge of material from a railroad hopper carGAYDOS CHRISTOPHER C·Filed 2011·Granted Jul 16, 2013·4 cites·31 claims
- 0670US7493865B2Railcar door control apparatusMINER ENTERPRISES·Filed 2006·Granted Feb 24, 2009·8 cites·24 claims
- 0760US6227124B1Locking mechanism for a hinged railroad hopper car doorMINER ENTERPRISES·Filed 1999·Granted May 8, 2001·34 cites·63 claims
- 0859US5086709ASliding gate structure with dual linkage per single actuator arrangementMINER ENTERPRISES·Filed 1990·Granted Feb 11, 1992·21 cites·1 claims
- 0955US9751536B2Railroad hopper car door operating mechanismGALVAN GUADALUPE L·Filed 2015·Granted Sep 5, 2017·1 cites·35 claims
- 1054US7654205B2Railcar door control apparatusMINER ENTERPRISES·Filed 2008·Granted Feb 2, 2010·2 cites·29 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →