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

Frederick W. Jacob — 5 Patents

ExxonMobil: 4 patents #2,519 of 10,161Top 25%
UCUnion Carbide: 1 patents #697 of 1,402Top 50%
Balboa, CA: #15 of 36 inventorsTop 45%
California: #107,996 of 386,348 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Frederick W. Jacob has been granted 5 US patents while listed as an inventor at ExxonMobil. The first was granted in 1983 and the most recent in May 1989. Frederick W. Jacob ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Frederick W. Jacob in Balboa, CA, US.

Patents per Year

Patents granted per year, 1983 to 1989Bar chart with a peak of 1 patents in 1983.peak 11983: 1 patents19831985: 1 patents19851987: 1 patents19871988: 1 patents19881989: 1 patents1989

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4834947 Reactor system for rapid kill gas injection to gas phase polymerization reactors John E. Cook, Robert O. Hagerty 1989-05-30 $4,996,000
4786695 Method and reactor system for rapid kill gas injection to gas phase polymerization reactors John E. Cook, Robert O. Hagerty 1988-11-22 $5,810,000
4666999 Method and reactor system for rapid kill gas injection to gas phase polymerization reactors John E. Cook, Robert O. Hagerty 1987-05-19 $13,314,000
4547555 Method for rapid kill gas injection to gas phase polymerization reactors during power failures John E. Cook, Robert O. Hagerty 1985-10-15 $5,636,000
4372758 Degassing process for removing unpolymerized monomers from olefin polymers Robert W. Bobst, Billy J. Garner 1983-02-08 $6,796,000