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

William Castro — 2 Patents

ExxonMobil: 2 patents #3,942 of 10,161Top 40%
Baton Rouge, LA: #763 of 1,896 inventorsTop 45%
Louisiana: #3,215 of 10,876 inventorsTop 30%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
William Castro has been granted 2 US patents while listed as an inventor at ExxonMobil. The first was granted in 2012 and the most recent in April 2013. William Castro ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list William Castro in Baton Rouge, LA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8423319 Process for mapping off-site piping systems in a refinery and/or petrochemical facility and a system for providing emergency isolation and response in a refinery and/or petrochemical facility Susan C. Hill, Elvis L. Calhoun 2013-04-16 $426,357,000
8095335 Process for mapping off-site piping systems in a refinery and/or petrochemical facility and a system for providing emergency isolation and response in a refinery and/or petrochemical facility Susan C. Hill, Elvis L. Calhoun 2012-01-10 $195,697,000