Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JB

John Barr — 4 Patents

SESelex Es: 2 patents #2 of 27Top 8%
UCUnion Carbide: 2 patents #417 of 1,402Top 30%
Strongsville, OH: #104 of 429 inventorsTop 25%
Ohio: #19,019 of 73,341 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
John Barr has been granted 4 US patents while listed as an inventor at Selex Es. The first was granted in 1981 and the most recent in October 2014. John Barr ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list John Barr in Strongsville, OH, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8867122 Optical parametric oscillator David Legge, John R. MacLean, Daniel H. Thorne, Jonathan Truby 2014-10-21
8817837 Laser system and method of operation Andrew D. White, Stephen W. Moore 2014-08-26
4276278 Spin size and thermosetting aid for pitch fibers Nicholas F. White, III 1981-06-30 $3,930,000
4275051 Spin size and thermosetting aid for pitch fibers 1981-06-23 $3,467,000