Robert O'Brien — 5 Patents at Calgon

Robert O'Brien has been granted 5 US patents while listed as an inventor at Calgon. The first was granted in 1983 and the most recent in July 2022. Robert O'Brien ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Robert O'Brien in Bethel Park, PA, US.

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Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
11384021	Grains for the production of a sintered refractory product, a batch for the production of a sintered refractory product, a process for the production of a sintered refractory product and a sintered refractory product	Jacob Kerr	2022-07-12
9312077	Double layer capacitors	Joseph M. KLINVEX, Walter G. Tramposch, Robert H. Vaughn	2016-04-12	$2,974,000
4879021	Hydrogenation of coal and subsequent liquefaction of hydrogenated undissolved coal	Edwin J. Hippo, Alfred G. Comolli	1989-11-07
4544488	Air stripping/adsorption process for removing organics from water	—	1985-10-01	$3,193,000
4406872	Desulfurization of delayed petroleum coke	Robert S. Kapner	1983-09-27	$310,000

Robert O'Brien — 5 Patents

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