Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Charles E. Hagar — 3 Patents

The Boeing: 2 patents #5,372 of 15,756Top 35%
UFUS Air Force: 1 patents #6,232 of 16,312Top 40%
Augusta, MO: #6 of 8 inventorsTop 75%
Missouri: #6,669 of 23,789 inventorsTop 30%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Charles E. Hagar has been granted 3 US patents while listed as an inventor at The Boeing. The first was granted in 1983 and the most recent in February 2014. Charles E. Hagar ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Charles E. Hagar in Augusta, MO, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8650931 Self-sealing fuel tank test fixtures Bradley Wayne Bogue 2014-02-18 $14,485,000
6886389 Systems and methods for detecting and locating leaks in internal pressure vessels 2005-05-03 $17,769,000
4387591 Method for testing fluid control valves Gerald G. Corzine 1983-06-14