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

Stephen E. Hill — 4 Patents

EAE.I. Du Pont De Nemours And: 3 patents #3,613 of 12,129Top 30%
SPStc Plc: 1 patents #73 of 231Top 35%
Angleton, TX: #50 of 205 inventorsTop 25%
Texas: #33,915 of 125,132 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Stephen E. Hill has been granted 4 US patents. The first was granted in 1987 and the most recent in December 1996. Stephen E. Hill ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Stephen E. Hill in Angleton, TX, US.

Patents per Year

Patents granted per year, 1987 to 1996Bar chart with a peak of 2 patents in 1994.peak 21987: 1 patents19871994: 2 patents19941996: 1 patents1996

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5582912 Crimped carbonaceous fibers Francis P. McCullough, Jr., Bhuvenesh C. Goswami 1996-12-10 $14,384,000
5356707 Non-linear carbonaceous fiber Francis P. McCullough, Jr., Bhuvenesh C. Goswami 1994-10-18 $7,013,000
5320646 Process for improving the dyeability of fabrics and fibers Robert T. Patton, Dorothy L. Roerden 1994-06-14 $4,193,000
4641372 Power feeding submarine telecommunications systems Patrick Kelly, Thomas J. Oswald, Alan James Jeal, Robert Frederick Murphy 1987-02-03