Inventor · disambiguated record
Howard J. Walk
Also filed as: WALK HOWARD J
6 granted patents·180 citations·filing 1976–2001
85Inventor score
Top patents by PatentIndex Score
6 records- 0190US5092412AEarth boring bit with recessed roller bearingBAKER HUGHES INC·Filed 1990·Granted Mar 3, 1992·66 cites·5 claims
- 0283US6367569B1Replaceable multiple TCI kerf ringBAKER HUGHES INC·Filed 2000·Granted Apr 9, 2002·45 cites·18 claims
- 0369US6513607B2Metal-face-seal rock bitBAKER HUGHES INC·Filed 2001·Granted Feb 4, 2003·37 cites·17 claims
- 0460US4040363ACombination hatch coversACF IND INC·Filed 1976·Granted Aug 9, 1977·15 cites·31 claims
- 0536US4832135AFlow through raise boring bitBAKER HUGHES INC·Filed 1988·Granted May 23, 1989·9 cites·10 claims
- 0628US4697652AReversible roller stabilizer extensions for earth boring headREED MINING TOOLS INC·Filed 1986·Granted Oct 6, 1987·8 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →