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USPTO Patent Rankings Data through Dec 31, 2025
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Warren H. Dillenbeck — 1 Patent

DUDunham-Bush: 1 patents #5 of 23Top 25%
Harrisonburg, VA: #67 of 137 inventorsTop 50%
Virginia: #18,949 of 34,511 inventorsTop 55%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Warren H. Dillenbeck has been granted 1 US patent while listed as an inventor at Dunham-Bush. All of these patents were granted in 1995. Warren H. Dillenbeck ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Warren H. Dillenbeck in Harrisonburg, VA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5423378 Heat exchanger element and heat exchanger using same Daryl K. Showalter 1995-06-13 $1,030,000