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

John S. Curtis — 4 Patents

AMAmoco: 1 patents #610 of 1,251Top 50%
BPBhp Steel (Jla) Pty.: 1 patents #36 of 74Top 50%
ICIshikawajima-Harima Heavy Industries Co.: 1 patents #251 of 611Top 45%
Mayfield Heights, OH: #56 of 204 inventorsTop 30%
Ohio: #19,019 of 73,341 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
John S. Curtis has been granted 4 US patents while listed as an inventor at Amoco. The first was granted in 1981 and the most recent in February 1998. John S. Curtis ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list John S. Curtis in Mayfield Heights, OH, US.

Patents per Year

Patents granted per year, 1981 to 1998Bar chart with a peak of 1 patents in 1981.peak 11981: 1 patents19811982: 1 patents19821997: 1 patents19971998: 1 patents1998

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5714380 Closed vessel for isolating target molecules and for performing amplification Bruce Neri, Mark L. Collins, Danahey Ryan 1998-02-03 $57,695,000
5690163 Strip casting Darren John Leadbeatter, Andrew Arthur Shook, Colin Robert Dean 1997-11-25
4331832 Electrical outlet box Albert Hurst 1982-05-25 $12,246,000
4255378 Bending plastic pipe Lee A. Miller 1981-03-10