Inventor · disambiguated record
Earl W. Powers
Also filed as: POWERS EARL W
4 granted patents·123 citations·filing 1978–1981
77Inventor score
Top patents by PatentIndex Score
4 records- 0194US4371293AMine roof bearing plateWILCOX RAYMOND J·Filed 1980·Granted Feb 1, 1983·86 cites·33 claims
- 0283US4518282AMine roof bearing plate with embossed area having conical and cylindrical sectionsREPUBLIC CORP·Filed 1981·Granted May 21, 1985·31 cites·11 claims
- 0331US4252231ABottom board feeder apparatusDEPENDABLE FORDATH INC·Filed 1978·Granted Feb 24, 1981·4 cites·12 claims
- 0426US4262730AStrike off method for automatically leveling and compacting sand in mold boxes of varying heightsDEPENDABLE FORDATH INC·Filed 1980·Granted Apr 21, 1981·2 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →