LU

Lance D. Underwood

SI Smith International: 25 patents #24 of 708Top 4%
FE Foro Energy: 6 patents #13 of 40Top 35%
BT Bisn Tec: 4 patents #2 of 11Top 20%
HY Hypersciences: 3 patents #3 of 16Top 20%
HA Halliburton: 3 patents #227 of 857Top 30%
HS Halliburton Energy Services: 3 patents #1,681 of 4,711Top 40%
Schlumberger Technology: 1 patents #3,893 of 7,293Top 55%
Chevron: 1 patents #2,615 of 4,788Top 55%
📍 Morrison, CO: #2 of 167 inventorsTop 2%
🗺 Colorado: #473 of 40,980 inventorsTop 2%
Overall (All Time): #60,253 of 4,157,543Top 2%
47
Patents All Time

Issued Patents All Time

Showing 1–25 of 47 patents

Patent #TitleCo-InventorsDate
12123278 Plug with composite ends and method of forming and using Paul Carragher, Andre Levchenko, Billy Clark 2024-10-22
11988072 Projectile drilling system Mark C. Russell, Tristen Cutshall 2024-05-21
11719047 Projectile drilling system Mark C. Russell, Leon Vanstone, Parker Bailey, Desiree Elizabeth Bernhard, Tristen Cutshall +3 more 2023-08-08
11634966 Combined well plug/chemical heater assemblies for use in down-hole operations and associated heater cartridges Paul Carragher 2023-04-25
11624235 Ram accelerator augmented drilling system Mark C. Russell, Tristen Cutshall 2023-04-11
11536111 Downhole tool deployment assembly with improved heater removability and methods of employing such Paul Carragher 2022-12-27
11401776 Downhole operations relating to open hole gravel packs and tools for use therein Paul Carragher, Sylvain Bedouet 2022-08-02
10612542 Apparatus and method for controlling or limiting rotor orbit in moving cavity motors and pumps Brian P. Jarvis, Nigel Wilcox, Brian Joseph Williams, William Murray, Peter Thomas Cariveau +8 more 2020-04-07
10450800 Bearing/gearing section for a PDM rotor/stator Francois Clouzeau, Maxim Pushkarev, Bassam Mansour 2019-10-22
10036232 Systems and conveyance structures for high power long distance laser transmission Ronald A. DeWitt, Mark S. Zediker, Brian O. Faircloth, Daryl L. Grubb, Ryan P. McKay +4 more 2018-07-31
9982485 Positive displacement motor with radially constrained rotor catch William Murray, Peter Thomas Cariveau, Brian P. Jarvis, Nigel Wilcox, Brian Joseph Williams +7 more 2018-05-29
9915106 U-joint for a downhole motor drive shaft Eric T. Johnson, Thomas Oskamp 2018-03-13
9695638 Positive displacement motor with radially constrained rotor catch William Murray, Peter Thomas Cariveau, Brian P. Jarvis, Nigel Wilcox, Brian Joseph Williams +7 more 2017-07-04
9611846 Flow restrictor for a mud motor 2017-04-04
9562395 High power laser-mechanical drilling bit and methods of use Daryl L. Grubb, Sharath K. Kolachalam, Brian O. Faircloth, Charles C. Rinzler, Erik Allen +1 more 2017-02-07
9482223 Apparatus and method for controlling or limiting rotor orbit in moving cavity motors and pumps Brian P. Jarvis, Nigel Wilcox, Brian Joseph Williams, William Murray, Peter Thomas Cariveau +8 more 2016-11-01
9393648 Undercut stator for a positive displacment motor William Murray, Thomas K. Washburn 2016-07-19
9334691 Apparatus and method for controlling or limiting rotor orbit in moving cavity motors and pumps Brian P. Jarvis, Nigel Wilcox, Brian Joseph Williams, William Murray, Peter Thomas Cariveau 2016-05-10
9187955 Locking clutch for downhole motor James Edmond Beylotte 2015-11-17
9027668 Control system for high power laser drilling workover and completion unit Mark S. Zediker, Siamak Makki, Brian O. Faircloth, Ronald A. DeWitt, Erik Allen 2015-05-12
8783361 Laser assisted blowout preventer and methods of use Mark S. Zediker, Henry Bergeron, Philip V. Clark, Joel F. Moxley, Paul D. Deutch +4 more 2014-07-22
8776915 Locking clutch for downhole motor James Edmond Beylotte 2014-07-15
8662160 Systems and conveyance structures for high power long distance laser transmission Ronald A. DeWitt, Mark S. Zediker, Brian O. Faircloth, Daryl L. Grubb, Ryan P. McKay +4 more 2014-03-04
8651202 Percussion drilling assembly having a floating feed tube Shantanu N. Swadi, Jack Marshall, Charles H. Dewey, Kevin Edgar Harrington 2014-02-18
8640792 Flexible directional drilling apparatus and related methods Charles H. Dewey 2014-02-04