Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David L. Davison — 1 Patent

TETownsend Engineering: 1 patents #46 of 77Top 60%
Norwalk, IA: #19 of 30 inventorsTop 65%
Iowa: #8,818 of 15,303 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
David L. Davison has been granted 1 US patent while listed as an inventor at Townsend Engineering. All of these patents were granted in 2001. David L. Davison ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list David L. Davison in Norwalk, IA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6245369 Method and means for controlling the variations in weight of extruded sausages Mart Kobussen, Jos Kobussen, Jaap Kobussen 2001-06-12