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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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John Langan — 1 Patent

UAUS Army: 1 patents #2,854 of 6,974Top 45%
Lompoc, CA: #1,403 of 2,245 inventorsTop 65%
California: #249,524 of 386,348 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
John Langan has been granted 1 US patent while listed as an inventor at US Army. All of these patents were granted in 1994. John Langan ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list John Langan in Lompoc, CA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5357346 Solderability tester methodology Brett Piekarski, George K. Lucey, Jr. 1994-10-18