Inventor · disambiguated record
David T. Hemmings
Also filed as: HEMMINGS DAVID T
6 granted patents·208 citations·filing 1977–1992
86Inventor score
Top patents by PatentIndex Score
6 records- 0187US4598822ADrill bit carrying caseMEGATOOL INC·Filed 1985·Granted Jul 8, 1986·61 cites·2 claims
- 0287US4135847AComposite drill for drilling circuit boardsTULON INC·Filed 1977·Granted Jan 23, 1979·39 cites·12 claims
- 0380US5184926ARoot-strength drill bit and method of makingMEGATOOL INC·Filed 1990·Granted Feb 9, 1993·40 cites·16 claims
- 0474US5102271ACollet-wear reducing drill bitHEMMINGS DAVID T·Filed 1991·Granted Apr 7, 1992·36 cites·13 claims
- 0564US5353552ARoot-strength drill bit and method of makingMEGATOOL INC·Filed 1992·Granted Oct 11, 1994·22 cites·5 claims
- 0642US5071005AMulti-carrier drill bit containerHEMMINGS DAVID T·Filed 1991·Granted Dec 10, 1991·10 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →