John V. O'Brien — 14 Patents at Koch Process Systems

John V. O'Brien has been granted 14 US patents while listed as an inventor at Koch Process Systems. The first was granted in 1983 and the most recent in July 2013. John V. O'Brien ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list John V. O'Brien in Shrewsbury, MA, US.

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Showing 1–14 of 14 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
8480879	Process for improving lubricating qualities of lower quality base oil	John M. Rosenbaum, Brent K. Lok, David C. Kramer, Stephen J. Miller	2013-07-09	$75,963,000
6758060	Separating nitrogen from methane in the production of LNG	—	2004-07-06
6336344	Dephlegmator process with liquid additive	—	2002-01-08	$334,000
6333445	Cryogenic separation process for the recovery of components from the products of a dehydrogenation reactor	—	2001-12-25
6289693	Cryogenic and membrane synthesis gas production	—	2001-09-18	$1,134,000
5176002	Method of controlling vapor loss from containers of volatile chemicals	Robert A. Wojnarowski	1993-01-05
4993875	Pipe sealing and anti-corrosion system	James J. Nicholson, Erwin P. Miller, Daniel P. Walsh, Steve Bowles	1991-02-19
RE32600	Distillative separation employing bottom additives	James M. Ryan	1988-02-16
4681612	Process for the separation of landfill gas	Arthur S. Holmes, Richard Hopewell	1987-07-21
RE32068	Distillative separation employing bottom additives	James M. Ryan	1986-01-21
4451274	Distillative separation of methane and carbon dioxide	—	1984-05-29
4444576	Energy-saving distillative separation using low-temperature heat input	James M. Ryan	1984-04-24
4428759	Distillative separation employing bottom additives	James M. Ryan	1984-01-31
4383842	Distillative separation of methane and carbon dioxide	—	1983-05-17

John V. O'Brien — 14 Patents

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