Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David J. Townsend — 5 Patents

RERemo: 1 patents #6 of 25Top 25%
UCUnion Carbide: 1 patents #697 of 1,402Top 50%
WLWabco Automotive Uk Limited: 1 patents #12 of 22Top 55%
Wheaton, IL: #199 of 884 inventorsTop 25%
Illinois: #18,025 of 84,256 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
David J. Townsend has been granted 5 US patents while listed as an inventor at Remo. The first was granted in 1981 and the most recent in September 2014. David J. Townsend ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list David J. Townsend in Wheaton, IL, US.

Patents per Year

Patents granted per year, 1981 to 2014Bar chart with a peak of 1 patents in 1981.peak 11981: 1 patents19811988: 1 patents19882003: 1 patents20032009: 1 patents20092014: 1 patents2014

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8845653 Forceps Dale Harper, John Aiden Nally, Khaled Mostafa Kam Ismail 2014-09-30
7479593 Quick release cymbal locking device 2009-01-20
6516829 Vent valve Liam Rowley 2003-02-11
4754683 High tension drumhead Robert B. Carson 1988-07-05
4300912 Synthetic fuel containing methanol and butanol 1981-11-17 $2,292,000