Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Douglas Peter Knapp — 3 Patents

The Boeing: 3 patents #3,887 of 15,756Top 25%
West Chester, PA: #491 of 1,305 inventorsTop 40%
Pennsylvania: #23,787 of 74,527 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Douglas Peter Knapp has been granted 3 US patents while listed as an inventor at The Boeing. The first was granted in 2003 and the most recent in June 2025. Douglas Peter Knapp ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Douglas Peter Knapp in West Chester, PA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12322225 Aircraft maintenance of line replaceable units Kang-Yu Ni, Tsai-Ching Lu, Alexander Waagen, Aruna Jammalamadaka, Charles E. Martin +3 more 2025-06-03
12288425 Vehicle health management using a counterfactual machine learning model to optimize maintenance parameters Alexander Waagen, Aruna Jammalamadaka, Alice A. Murphy, Derek S. Fok, Tsai-Ching Lu 2025-04-29
6563309 Use of eddy current to non-destructively measure crack depth James S. Kachelries, Louis R. Truckley 2003-05-13 $22,181,000