Inventor · disambiguated record
Henry W. Murdoch
Also filed as: MURDOCH HENRY W
7 granted patents·295 citations·filing 1975–2002
88Inventor score
Top patents by PatentIndex Score
7 records- 0192US4444281ACombination drag and roller cutter drill bitREED ROCK BIT CO·Filed 1983·Granted Apr 24, 1984·118 cites·6 claims
- 0283US6742608B2Rotary mine drilling bit for making blast holesFiled 2002·Granted Jun 1, 2004·80 cites·6 claims
- 0377US4074922ADrill bitREED TOOL CO·Filed 1976·Granted Feb 21, 1978·22 cites·10 claims
- 0465US4623028ASeal assembly for drill bitsREED TOOL CO·Filed 1985·Granted Nov 18, 1986·36 cites·13 claims
- 0556US3990751ADrill bitREED TOOL CO·Filed 1975·Granted Nov 9, 1976·11 cites·7 claims
- 0654US3971600ADrill bitREED TOOL CO·Filed 1975·Granted Jul 27, 1976·18 cites·11 claims
- 0748US3989315ADrill bitREED TOOL CO·Filed 1975·Granted Nov 2, 1976·10 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →