Assignee
WALKER HAROLD A
US·3 granted patents·17 citations·filing 1988–2009
Top patents by PatentIndex Score
3 records- 0170US7411136B2Multiple 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
- 0262US9365370B2Bulk material storage and reclaim systemWALKER HAROLD A·Filed 2009·Granted Jun 14, 2016·4 cites·18 claims
- 0330US4954036AVariable height silo charge systemWALKER HAROLD A·Filed 1988·Granted Sep 4, 1990·4 cites·18 claims
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