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USPTO Patent Rankings Data through Dec 31, 2025
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David P. Mann — 13 Patents

KRKellogg Brown & Root: 10 patents #5 of 240Top 3%
PPPhillips Petroleum: 3 patents #751 of 2,260Top 35%
Bartlesville, OK: #168 of 1,143 inventorsTop 15%
Oklahoma: #758 of 12,736 inventorsTop 6%
Overall (All Time): #362,438 of 4,157,543Top 9%
13 Patents All Time
David P. Mann has been granted 13 US patents while listed as an inventor at Kellogg Brown & Root. The first was granted in 1985 and the most recent in October 2015. David P. Mann ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list David P. Mann in Bartlesville, OK, US.

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9169062 Lock hopper mass flow arrangement Edwin V. Reece, John Abughazaleh, Michael J. Sandefur 2015-10-27
8608982 Recycling organic compounds from gasifier syngas condensate John Abughazaleh, Siva Ariyapadi 2013-12-17
8293195 Split flow contactor Kenneth L. Blanchard 2012-10-23
8273139 Catalytic partial oxidation reforming Avinash Malhotra 2012-09-25
8197785 Split flow contactor Kenneth L. Blanchard 2012-06-12
7932296 Catalytic partial oxidation reforming for syngas processing and products made therefrom Avinash Malhotra 2011-04-26
7846417 Maximum reaction rate converter process for exothermic reactions Shashi Prakash Singh, Anant Pisut 2010-12-07
7842254 Maximum reaction rate converter for exothermic reactions Shashi Prakash Singh, Anant Pisut 2010-11-30
7371361 Maximum reaction rate converter system for exothermic reactions Shashi Prakash Singh, Anant Pisut 2008-05-13
7138001 Partial oxidation reformer-reforming exchanger arrangement for hydrogen production Stanislaus A. Knez, Avinash Malhotra, Martin Van Sickels 2006-11-21
5264649 Alkylation catalyst regeneration Alan D. Eastman, Ronald G. Abbott, Robert B. Eldridge, Fu-Ming Lee, Robert J. Mitchell 1993-11-23 $8,812,000
5237122 Alkylation catalyst regeneration Alan D. Eastman, Robert B. Eldridge, Richard L. Anderson 1993-08-17 $8,703,000
4518484 Metals removal with a light hydrocarbon and an organophosphorous compound Simon G. Kukes, Daniel Coombs 1985-05-21 $3,863,000