Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JC

John E. Campbell — 62 Patents

SISmith International: 26 patents #22 of 708Top 4%
IBM: 15 patents #7,470 of 70,183Top 15%
MGMasx Energy Services Group: 7 patents #2 of 9Top 25%
DSDrilex Systems: 3 patents #3 of 14Top 25%
TITexas Instruments: 2 patents #5,266 of 12,488Top 45%
WSWellbore Integrity Solutions: 1 patents #6 of 35Top 20%
Houston, TX: #147 of 21,073 inventorsTop 1%
Texas: #1,178 of 125,132 inventorsTop 1%
Overall (All Time): #36,550 of 4,157,543Top 1%
62 Patents All Time
John E. Campbell has been granted 62 US patents while listed as an inventor at Smith International. The first was granted in 1985 and the most recent in August 2024. John E. Campbell ranks #36,550 of 4,157,543 US inventors in our database (top 0.88%). Patent records list John E. Campbell in Houston, TX, US.

Issued Patents All Time

Showing 1–25 of 62 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12070588 Injector and injection method therefor Ales Alajbegovic, Edward Tate, Norman Viner, Maddison Albert, Gary P. Kobinger +1 more 2024-08-27
11002082 Millable bit to whipstock connector Shantanu N. Swadi, Charles H. Dewey, Tuan Nguyen, Shelton W. Alsup 2021-05-11
10704329 Cementing whipstock assembly and running tool with releasably engaged cement tube for minimizing downhole trips during lateral drill sidetracking operations Charles H. Dewey 2020-07-07
10487606 Balancing load on milling cutting elements Shantanu N. Swadi, Shelton W. Alsup 2019-11-26
9512680 Coring bit to whipstock systems and methods Shantanu N. Swadi, Charles H. Dewey, Robert Utter, Praful C. Desai 2016-12-06
9228406 Extended whipstock and mill assembly Shantanu N. Swadi, Shelton W. Alsup 2016-01-05
9212873 Second cut arrow shaft extension Christopher Hartman, Ronald Mitchell Mcivor 2015-12-15
9206648 Cementing whipstock apparatus and methods Charles H. Dewey, Shantanu N. Swadi, Philip M. Gregurek 2015-12-08
8967300 Pressure activated flow switch for a downhole tool Charles H. Dewey, Daniel LeVon 2015-03-03
8881845 Expandable window milling bit and methods of milling a window in casing Charles H. Dewey, Praful C. Desai 2014-11-11
8820437 Cementing whipstock apparatus and methods David L. Ervin, Charles H. Dewey, Shantanu N. Swadi, Philip M. Gregurek 2014-09-02
8200987 Dynamic object-level code translation for improved performance of a computer processor William T. Devine, Sebastian T. Ventrone 2012-06-12 $5,600,000
8186458 Expandable window milling bit and methods of milling a window in casing Charles H. Dewey, Praful C. Desai 2012-05-29
8098784 Systems, methods and computer program products for high speed data transfer using a plurality of external clock signals 2012-01-17 $12,258,000
7617367 Memory system including a two-on-one link memory subsystem interconnection Kevin C. Gower 2009-11-10 $10,417,000
7613265 Systems, methods and computer program products for high speed data transfer using an external clock signal 2009-11-03 $14,110,000
7597158 Drilling and hole enlargement device Charles H. Dewey, Lance D. Underwood, Ronald G. Schmidt 2009-10-06 $92,480,000
7506703 Drilling and hole enlargement device Charles H. Dewey, Lance D. Underwood, Ronald G. Schmidt 2009-03-24 $25,202,000
7491588 Method and structure for buried circuits and devices William T. Devine, Kris V. Srikrishnan 2009-02-17 $3,763,000
7448446 Thru tubing tool and method Charles H. Dewey, Chad D. Evans 2008-11-11 $34,305,000
7418580 Dynamic object-level code transaction for improved performance of a computer William T. Devine, Sebastian T. Ventrone 2008-08-26 $10,658,000
7377328 Expandable anchor Charles H. Dewey, Brian Cruickshank 2008-05-27 $24,433,000
7373988 Liner running system and method Charles H. Dewey, Brian Cruickshank 2008-05-20 $42,690,000
7320918 Method and structure for buried circuits and devices William T. Devine, Kris V. Srikrishnan 2008-01-22 $13,371,000
7178589 Thru tubing tool and method Charles H. Dewey, Chad D. Evans 2007-02-20 $69,074,000