Duncan, OK All Time

5,947 patents  ·  603 inventors  ·  262.1/1k pop.

Ranked #906 of 111,555 cities Top 1%

Showing 51–100 of 603 inventors

Rank Inventor Primary Company Patents
#50 Michael J. Szymanski Halliburton Energy Services 26
#52 John T. Brandell Halliburton 25
#52 Loren Swor Halliburton Energy Services 25
#52 Michael M. Brezinski Halliburton Energy Services 25
#52 Richard L. Duncan National Semiconductor 25
#52 Ronald J. Powell Halliburton Energy Services 25
#52 Juanita M. Cassidy Halliburton Energy Services 25
#58 Donald R. Smith Halliburton Energy Services 24
#58 Patty L. Totten Halliburton 24
#60 Tommie A. Freeman Halliburton Energy Services 23
#60 Matthew Todd Howell Halliburton Energy Services 23
#60 J. Michael Wilson Halliburton Energy Services 23
#63 Glenn Howard Weightman Halliburton Energy Services 22
#63 Max L. Phillippi Halliburton Energy Services 22
#65 Jack G. Frost United Laboratories International 21
#65 Joseph R. Murphey Halliburton 21
#65 David F. Laurel Halliburton 21
#65 Derek Williams Halliburton Energy Services 21
#65 Jerry D. Childs Halliburton 21
#70 James J. Venditto Halliburton 20
#71 Donald W. Winslow Halliburton Energy Services 19
#71 Charles Edward Neal, III Halliburton Energy Services 19
#71 Mark Adams Rateze Remote Mgmt 19
#74 Marlin D. Holtmyer Halliburton 18
#74 David Mark Stribling Halliburton Energy Services 18
#74 Michael E. McMahan Baker Hughes Holdings 18
#74 Narongsak Tonmukayakul Halliburton Energy Services 18
#78 Billy W. White Halliburton 17
#78 Bruce Carl Lucas Halliburton Energy Services 17
#78 Karl W. Blanchard Halliburton Energy Services 17
#78 Edward F. Vinson Halliburton 17
#82 Michael Segura Halliburton Energy Services 16
#82 Charles V. Hunt Halliburton 16
#82 Bryan K. Waugh Halliburton Energy Services 16
#82 Mark Parker Halliburton Energy Services 16
#82 Ronney R. Koch Halliburton Energy Services 16
#82 Stephen F. Crain Halliburton 16
#82 Donald F. Hushbeck Halliburton 16
#82 Brahmadeo T. Dewprashad Halliburton Energy Services 16
#82 Brad Robert Bull Halliburton Energy Services 16
#91 Walter R. Dill Halliburton 15
#91 Stephen K. Nickles New York Air Brake 15
#93 Bobby G. Brake Halliburton 14
#93 Randall King Ntn 14
#93 Stephen E. Tilghman Halliburton 14
#93 Robert N. Hamlin 3M 14
#93 Phillip M. Starr Halliburton Energy Services 14
#93 David B. Allison Halliburton Energy Services 14
#93 William G. F. Ford Halliburton 14
#93 Herbert J. Horinek Halliburton 14

Part of Oklahoma