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John Lofton — 2 Patents

Chevron: 2 patents #1,782 of 4,788Top 40%

Kyle, TX: #83 of 223 inventorsTop 40%

Texas: #52,941 of 125,132 inventorsTop 45%

Overall (All Time): #1,709,992 of 4,157,543Top 45%

2 Patents All Time

John Lofton has been granted 2 US patents while listed as an inventor at Chevron. The first was granted in 2005 and the most recent in January 2013. John Lofton ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list John Lofton in Kyle, TX, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
8353351	System and method for regulating pressure within a well annulus	Robert B. Carpenter, Omid Oujani, Krystian K. Maskos	2013-01-15	$121,757,000
6938707	Method and system for minimizing circulating fluid return losses during drilling of a well bore	Joseph H. Schmidt, Manuel E. Gonzalez, James B. Bloys, Gregory P. Pepin	2005-09-06	$580,141,000

John Lofton — 2 Patents

Issued Patents All Time

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