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

Donald E. Davenport — 4 Patents

HEHexcel: 2 patents #56 of 219Top 30%
MCMb Holding Company: 2 patents #1 of 3Top 35%
Palo Alto, CA: #4,210 of 9,675 inventorsTop 45%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Donald E. Davenport has been granted 4 US patents while listed as an inventor at Hexcel. The first was granted in 1980 and the most recent in December 1984. Donald E. Davenport ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Donald E. Davenport in Palo Alto, CA, US.

Patents per Year

Patents granted per year, 1980 to 1984Bar chart with a peak of 2 patents in 1980.peak 21980: 2 patents19801983: 1 patents19831984: 1 patents1984

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4486490 Electrically conductive prepreg materials Gary L. Patz 1984-12-04 $668,000
4383942 Apparatus and method for enhancing electrical conductivity of conductive composites and products thereof 1983-05-17
4234648 Electrically conductive prepreg materials Gary L. Patz 1980-11-18 $987,000
4216423 Apparatus and method for enhancing electrical conductivity of conductive composites and products thereof 1980-08-05 $154,000