Inventor · disambiguated record
David J. Twichell
Also filed as: TWICHELL DAVID J
4 granted patents·182 citations·filing 1982–1991
81Inventor score
Files withBLACKSTONE CORP4
Top patents by PatentIndex Score
4 records- 0192US4501321AAfter cooler, charge air cooler and turbulator assemblies and methods of making the sameBLACKSTONE CORP·Filed 1982·Granted Feb 26, 1985·96 cites·6 claims
- 0281US4997035AJoint crevice corrosion inhibitorBLACKSTONE CORP·Filed 1990·Granted Mar 5, 1991·49 cites·26 claims
- 0353US5076557ATwist indicator gasketBLACKSTONE CORP·Filed 1991·Granted Dec 31, 1991·22 cites·4 claims
- 0452US5031924ATwist indicator gasketBLACKSTONE CORP·Filed 1989·Granted Jul 16, 1991·15 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →