Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Christopher E. Cunningham — 49 Patents

FMFmc: 44 patents #5 of 1,735Top 1%
Chesterfield, MO: #33 of 6,461 inventorsTop 1%
Missouri: #154 of 23,789 inventorsTop 1%
Overall (All Time): #55,592 of 4,157,543Top 2%
49 Patents All Time
Christopher E. Cunningham has been granted 49 US patents. The first was granted in 1991 and the most recent in November 2025. Christopher E. Cunningham ranks #55,592 of 4,157,543 US inventors in our database (top 1.3%). Patent records list Christopher E. Cunningham in Chesterfield, MO, US.

Issued Patents All Time

Showing 1–25 of 49 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12480390 Submersible well fluid system Eduardo Cardoso, Timothy R. Bartlett, Paulo Guedes-Pinto, Co Si Huynh, Robert A. Perry +1 more 2025-11-25
D1081160 Hat hanger Mark Cunningham 2025-07-01
12245712 Hanger Mark Cunningham 2025-03-11
11352863 Submersible well fluid system Eduardo Cardoso, Timothy R. Bartlett, Paulo Guedes-Pinto, Co Si Huynh, Robert A. Perry +1 more 2022-06-07
11253093 Hat hanger Mark Cunningham 2022-02-22
10801309 Up-thrusting fluid system 2020-10-13
10393115 Subsea multiphase pump or compressor with magnetic coupling and cooling or lubrication by liquid or gas extracted from process fluid Co Si Huynh 2019-08-27
10221662 Submersible well fluid system Eduardo Cardoso, Timothy R. Bartlett, Paulo Guedes-Pinto, Co Si Huynh, Robert A. Perry +1 more 2019-03-05
10161418 Coupling an electric machine and fluid-end Co Si Huynh 2018-12-25
9954414 Subsea compressor or pump with hermetically sealed electric motor and with magnetic coupling Co Si Huynh 2018-04-24
9601964 In-line flow mixer Rune Fantoft, Terje Hollingsaeter 2017-03-21
8777596 Flushing system Rune Fantoft, Terje Hollingsaeter 2014-07-15 $67,600,000
8696331 Pump with magnetic bearings Rune Fantoft, Terje Hollingsaeter 2014-04-15 $62,516,000
8487493 Method and apparatus for controlling a bearing through a pressure boundary Rune Fantoft, Terje Hollingsaeter 2013-07-16 $70,621,000
7096937 Flow completion system Christopher D. Bartlett, Richard Kent, Nicholas Gatherar, David Harrold 2006-08-29 $14,624,000
7069988 Flow completion system Christopher D. Bartlett, Richard Kent, Nicholas Gatherar, David Harrold 2006-07-04
7025132 Flow completion apparatus Richard Kent, Michael R. Tierney, Gregory L. Glidden, Christopher D. Bartlett 2006-04-11 $7,104,000
6942192 Gate valve with flow-through gate 2005-09-13 $16,711,000
6923423 Small bore gate valve Taylor L. Jones, Philip Hernandez, Archie L. Smith, David Cain, Gregory L. Glidden +2 more 2005-08-02 $9,020,000
6840494 Gate valve with flow-through gate 2005-01-11 $13,814,000
6715554 Slimbore subsea completion system and method Christopher D. Bartlett 2004-04-06 $11,128,000
6681850 Flow completion system Christopher D. Bartlett, Richard Kent, Nicholas Gatherar, David Harrold 2004-01-27 $11,734,000
6655455 Flow completion system Christopher D. Bartlett, Richard Kent, Nicholas Gatherar, David Harrold 2003-12-02 $11,224,000
6626239 Internal gate valve for flow completion systems Christopher D. Bartlett, Thomas L. Hergarden, Philip Hernandez, Michael E. Wilson, Jr. 2003-09-30 $10,577,000
6557638 Concentric tubing completion system Christopher D. Bartlett, Marcus Smedley, Russell McBeth, Robert B. Baten 2003-05-06 $3,928,000