Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Duncan D. Bragg — 2 Patents

BOBorgwarner: 1 patents #797 of 1,600Top 50%
HTHr Textron: 1 patents #34 of 83Top 45%
Simi Valley, CA: #491 of 1,200 inventorsTop 45%
California: #187,151 of 386,348 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Duncan D. Bragg has been granted 2 US patents while listed as an inventor at Borgwarner. The first was granted in 1985 and the most recent in June 2001. Duncan D. Bragg ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Duncan D. Bragg in Simi Valley, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6250584 Missile fin locking mechanism William Hsu 2001-06-26 $29,595,000
4537385 Low emission valve Robert S. Wentworth 1985-08-27 $12,399,000