Inventor · disambiguated record
Billy F. Dyer
Also filed as: DYER BILLY F
3 granted patents·80 citations·filing 1976–1981
73Inventor score
Technology areasE21B
Files withHUGHES TOOL CO3
Top patents by PatentIndex Score
3 records- 0181US4055338ADrill string shock absorbing apparatusHUGHES TOOL CO·Filed 1976·Granted Oct 25, 1977·59 cites·9 claims
- 0244US4145034AHeat shield for a drill string shock absorbing apparatusHUGHES TOOL CO·Filed 1978·Granted Mar 20, 1979·14 cites·7 claims
- 0330US4402495ADrill string shock absorber with pressurized lubricant systemHUGHES TOOL CO·Filed 1981·Granted Sep 6, 1983·7 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →