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

Mark S. Caldwell — 4 Patents

HEHexcel: 4 patents #28 of 219Top 15%
Livermore, CA: #706 of 2,185 inventorsTop 35%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Mark S. Caldwell has been granted 4 US patents while listed as an inventor at Hexcel. The first was granted in 1996 and the most recent in September 2002. Mark S. Caldwell ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Mark S. Caldwell in Livermore, CA, US.

Patents per Year

Patents granted per year, 1996 to 2002Bar chart with a peak of 1 patents in 1996.peak 11996: 1 patents19962000: 1 patents20002001: 1 patents20012002: 1 patents2002

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6451406 Solventless node adhesive for honeycomb Yen-Seine Wang 2002-09-17 $2,017,000
6245407 Thermoformable honeycomb structures Yen-Seine Wang, Emi Lee, Robert A. Petrisko 2001-06-12 $2,972,000
6153687 Honeycomb dip resin Yen-Seine Wang 2000-11-28 $5,371,000
5527584 High thermal conductivity triaxial non-metallic honeycomb Stephen C. Darfler, Carla Ahlstrom 1996-06-18 $5,264,000