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USPTO Patent Rankings Data through Dec 31, 2025
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Christopher John Stephenson — 29 Patents

BSBj Services: 15 patents #5 of 250Top 2%
BHBaker Hughes Holdings: 11 patents #276 of 3,522Top 8%
BCBaker Hughes, A Ge Company: 3 patents #295 of 1,459Top 25%
Houston, TX: #560 of 21,073 inventorsTop 3%
Texas: #4,128 of 125,132 inventorsTop 4%
Overall (All Time): #127,851 of 4,157,543Top 4%
29 Patents All Time
Christopher John Stephenson has been granted 29 US patents while listed as an inventor at Bj Services. The first was granted in 2000 and the most recent in June 2020. Christopher John Stephenson ranks #127,851 of 4,157,543 US inventors in our database (top 3.1%). Patent records list Christopher John Stephenson in Houston, TX, US.

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10696897 Sand control method using deformable non-spherical particulates Phillip B. Kaufman, D. V. Satyanarayana Gupta, Allan R. Rickards 2020-06-30 $15,604,000
10087364 Method of stimulating a subterranean formation with non-spherical ceramic proppants Phillip B. Kaufman, D. V. Satyanarayana Gupta, Allan R. Rickards 2018-10-02 $7,068,000
10087365 Proppants with improved strength Naima Bestaoui-Spurr, Qi Qu 2018-10-02 $7,068,000
9168565 Method of reducing dust with self-assembly composites Mark A. Vorderbruggen, Naima Bestaoui-Spurr, Qi Qu 2015-10-27 $21,752,000
9051512 Method of treating a subterranean formation with non-spherical proppants Phillip B. Kaufman, D. V. Satyanarayana Gupta, Allan R. Rickards 2015-06-09 $15,729,000
8186434 Method of stimulation using hollow, non-spherical particulates Phillip B. Kaufman, D. V. Satyanarayana Gupta, Allan R. Rickards 2012-05-29 $11,805,000
8127850 Method of treating subterranean formations using sequential proppant stages Harold Dean Brannon, William Dale Wood, Randall Edgeman, Allan R. Rickards, Doug Walser +1 more 2012-03-06 $10,819,000
8122957 Sand control method using porous particulate materials Allan R. Rickards, Harold Dean Brannon, D. V. Satyanarayana Gupta 2012-02-28 $25,738,000
7998907 Porous particulate materials and compositions thereof Allan R. Rickards, Harold Dean Brannon, D. V. Satyanarayana Gupta 2011-08-16 $21,819,000
7971643 Methods and compositions of a storable relatively lightweight proppant slurry for hydraulic fracturing and gravel packing applications Harold Dean Brannon, William Dale Wood, Allan R. Rickards 2011-07-05 $36,214,000
7950455 Non-spherical well treating particulates and methods of using the same Phillip B. Kaufman, D. V. Satyanarayana Gupta, Allan R. Rickards 2011-05-31 $38,973,000
7918277 Method of treating subterranean formations using mixed density proppants or sequential proppant stages Harold Dean Brannon, William Dale Wood, Randall Edgeman, Allan R. Rickards, Doug Walser +1 more 2011-04-05 $31,269,000
7861780 Method of treating subterranean formations with porous particulate materials Allan R. Rickards, Harold Dean Brannon, D. V. Satyanarayana Gupta 2011-01-04 $16,405,000
7857057 Method of fracturing hydrocarbon-bearing formation with coated porous polyolefin particulate Allan R. Rickards, Harold Dean Brannon, Gino F. Di Lullo Arias, Philip Rae 2010-12-28 $17,586,000
7789147 Method of stimulating oil and gas wells using deformable proppants Harold Dean Brannon, Allan R. Rickards, Russell L. Maharidge 2010-09-07
7772163 Well treating composite containing organic lightweight material and weight modifying agent Harold Dean Brannon, Allan R. Rickards 2010-08-10
7726399 Method of enhancing hydraulic fracturing using ultra lightweight proppants Harold Dean Brannon, William Dale Wood, Allan R. Rickards 2010-06-01
7713918 Porous particulate materials and compositions thereof Allan R. Rickards, Harold Dean Brannon, D. V. Satyanarayana Gupta 2010-05-11
7472751 Method of treating subterranean formations using mixed density proppants or sequential proppant stages Harold Dean Brannon, William Dale Wood, Randall Edgeman, Allan R. Rickards, Doug Walser +1 more 2009-01-06 $16,628,000
7426961 Method of treating subterranean formations with porous particulate materials Allan R. Rickards, Harold Dean Brannon, D. V. Satyanarayana Gupta 2008-09-23 $53,771,000
7322411 Method of stimulating oil and gas wells using deformable proppants Harold Dean Brannon, Allan R. Rickards, Russell L. Maharidge 2008-01-29 $35,750,000
7213651 Methods and compositions for introducing conductive channels into a hydraulic fracturing treatment Harold Dean Brannon, William Dale Wood 2007-05-08 $63,964,000
7210528 Method of treatment subterranean formations using multiple proppant stages or mixed proppants Harold Dean Brannon, William Dale Wood, Randall Edgeman, Allan R. Rickards, Doug Walser +1 more 2007-05-01 $22,249,000
7207386 Method of hydraulic fracturing to reduce unwanted water production Harold Dean Brannon, William Dale Wood, Donald L. Purvis, Allan R. Rickards 2007-04-24 $66,082,000
6749025 Lightweight methods and compositions for sand control Harold Dean Brannon, Allan R. Rickards 2004-06-15 $56,513,000