Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David D. Brown — 4 Patents

IBM: 2 patents #32,909 of 70,183Top 50%
BWBrush Wellman: 1 patents #28 of 51Top 55%
Poughkeepsie, NY: #653 of 1,613 inventorsTop 45%
New York: #31,814 of 115,490 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
David D. Brown has been granted 4 US patents while listed as an inventor at IBM. The first was granted in 1992 and the most recent in October 2001. David D. Brown ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list David D. Brown in Poughkeepsie, NY, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6307173 Weld gun arm casting Sabit Ali, A Murray Patterson 2001-10-23 $1,772,000
5247647 Detection of deletion of stored data by concurrently executing processes in a multiprocessing data processing system Wayne J. Morschhauser, Rick F. Reinheimer, Michael D. Swanson 1993-09-21 $6,888,000
5210911 Wrapping device Douglas T. Brown, Virginia M. Brown 1993-05-18
5134696 Virtual lookaside facility Wayne J. Morschhauser, Rick F. Reinheimer, Michael D. Swanson 1992-07-28 $10,995,000