Inventor · disambiguated record
Harold A. Walker
Also filed as: WALKER HAROLD A
6 granted patents·150 citations·filing 1988–2009
83Inventor score
Files withWALKER HAROLD A3
Top patents by PatentIndex Score
6 records- 0191US5772390ACoal loading system and methodFiled 1997·Granted Jun 30, 1998·108 cites·17 claims
- 0272US6155767AThree-batch coal loadout system and methodFiled 2000·Granted Dec 5, 2000·21 cites·9 claims
- 0370US7411136B2Multiple batch system and method for loading railcars of a wide range of capacities and designsWALKER HAROLD A·Filed 2006·Granted Aug 12, 2008·9 cites·4 claims
- 0462US9365370B2Bulk material storage and reclaim systemWALKER HAROLD A·Filed 2009·Granted Jun 14, 2016·4 cites·18 claims
- 0530US4954036AVariable height silo charge systemWALKER HAROLD A·Filed 1988·Granted Sep 4, 1990·4 cites·18 claims
- 0628USRE37062ECoal loading system and methodFiled 1999·Granted Feb 20, 2001·4 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →