Inventor · disambiguated record
Herbert C. Dill
Also filed as: DILL HERBERT C
4 granted patents·86 citations·filing 1974–1981
78Inventor score
Files withHUGHES TOOL CO4
Top patents by PatentIndex Score
4 records- 0189US4211508AEarth boring tool with improved insertsHUGHES TOOL CO·Filed 1976·Granted Jul 8, 1980·41 cites·2 claims
- 0279US3997374AHeat treatment of weldsHUGHES TOOL CO·Filed 1974·Granted Dec 14, 1976·21 cites·9 claims
- 0374US4160543AHeat treatment of weldsHUGHES TOOL CO·Filed 1977·Granted Jul 10, 1979·17 cites·6 claims
- 0432US4406337AInsert with locking projectionHUGHES TOOL CO·Filed 1981·Granted Sep 27, 1983·7 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →