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USPTO Patent Rankings Data through Dec 31, 2025
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David Crouch — 1 Patent

Merck: 1 patents #5,440 of 9,382Top 60%
Sheffield, GB: #302 of 655 inventorsTop 50%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
David Crouch has been granted 1 US patent while listed as an inventor at Merck. All of these patents were granted in 2013. David Crouch ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list David Crouch in Sheffield, GB.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8431682 Regioregular polyselenophenes Martin Heeney, Warren Duffy, Iain McCulloch, Simon Higgins, Peter Skabara 2013-04-30 $96,084,000