Inventor · disambiguated record
David J. Townsend
Also filed as: TOWNSEND DAVID · TOWNSEND DAVID J · TOWNSEND DAVID JOHN
7 granted patents·109 citations·filing 1977–2009
85Inventor score
Top patents by PatentIndex Score
7 records- 0186US7479593B1Quick release cymbal locking deviceTOWNSEND DAVID J·Filed 2007·Granted Jan 20, 2009·17 cites·3 claims
- 0272US6516829B1Vent valveWABCO AUTOMOTIVE UK LTD·Filed 1999·Granted Feb 11, 2003·33 cites·11 claims
- 0363US4127921AHose clipsINNOVATION & TECH DEV·Filed 1977·Granted Dec 5, 1978·27 cites·11 claims
- 0460US4300912ASynthetic fuel containing methanol and butanolUNION CARBIDE CORP·Filed 1980·Granted Nov 17, 1981·18 cites·12 claims
- 0547US4754683AHigh tension drumheadREMO INC·Filed 1986·Granted Jul 5, 1988·13 cites·11 claims
- 0644US8845653B2ForcepsHARPER DALE STEVEN·Filed 2009·Granted Sep 30, 2014·1 cites·9 claims
- 0725US4130190ABrake actuating devicesTOWNSEND DAVID J·Filed 1977·Granted Dec 19, 1978·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →