DB

David Andrew Barfoot

HS Halliburton Energy Services: 46 patents #99 of 4,711Top 3%
LE Leco: 2 patents #32 of 94Top 35%
SE Sensortran: 2 patents #7 of 12Top 60%
📍 Houston, TX: #186 of 21,073 inventorsTop 1%
🗺 Texas: #1,525 of 125,132 inventorsTop 2%
Overall (All Time): #48,890 of 4,157,543Top 2%
53
Patents All Time

Issued Patents All Time

Showing 1–25 of 53 patents

Patent #TitleCo-InventorsDate
11976552 Distributed sensing systems and methods with spatial location correlation Neal G. Skinner, Andreas Ellmauthaler 2024-05-07
11953294 System and method for active protection system range estimation Mark A. Frank, David L. Oles 2024-04-09
11940583 Gauge length effect and gauge length conversion Xiang Wu, Mark Elliott Willis 2024-03-26
11366244 Distributed acoustic sensing system with a polarization control device for improving signal-to-noise ratio Kwang Il Suh 2022-06-21
11313222 Cooled single-photon detector apparatus and methods Daniel Joshua Stark, John L. Maida, Satyan Gopal Bhongale 2022-04-26
11248879 Soft kill laser configuration for ground vehicle threats Jeffrey Easton, Karl P. Herb, Matthew Flint Kepler, Somit S. Mathur, Michael Shaw 2022-02-15
11215727 Gauge length effect and gauge length conversion Xiang Wu, Mark Elliott Willis 2022-01-04
11199086 Detecting changes in an environmental condition along a wellbore Michel Joseph LeBlanc, Wolfgang Hartmut Nitsche, Jose Sierra, Yenny Natali Martinez, John L. Maida 2021-12-14
11181346 Methods for enhanced soft-kill countermeasure using a tracking radar Will R. Grigsby, Karl P. Herb, Eric C. Hoenes, Somit S. Mathur 2021-11-23
11149520 Mitigation of attenuation for fiber optic sensing during cementing Christopher Lee Stokley, John L. Maida 2021-10-19
11111780 Distributed acoustic sensing system with phase modulator for mitigating faded channels John Herbert Dailing, Jr., Ira Jeffrey Bush 2021-09-07
11105953 Detecting changes in an environmental condition along a wellbore Wolfgang Hartmut Nitsche, Yenny Natali Martinez, Michel Joseph LeBlanc, Jose Sierra, John L. Maida 2021-08-31
11048017 Cooled optical apparatus, systems, and methods Daniel Joshua Stark, John L. Maida, Satyan Gopal Bhongale 2021-06-29
10823866 Arrayed distributed acoustic sensing using single-photon detectors Daniel Joshua Stark, John L. Maida, Casey Giron 2020-11-03
10794177 Mud pump stroke detection using distributed acoustic sensing Neal G. Skinner, Andreas Ellmauthaler, Leonardo de Oliveira Nunes, Christoper Lee Stokely 2020-10-06
10704377 Well monitoring with optical electromagnetic sensing system Peter Boul, Tasneem A. Mandviwala, Leonardo DE OLIVEIRA NUNES 2020-07-07
10612371 Partially reflective materials and coatings for optical communication in a wellbore Daniel Joshua Stark, John L. Maida 2020-04-07
10553923 Parallel plate waveguide within a metal pipe Etienne M. Samson, John L. Maida, Wolfgang Hartmut Nitsche 2020-02-04
10444391 Noise removal for distributed acoustic sensing data Andreas Ellmauthaler, Mark Elliott Willis, Kristoffer Thomas Walker 2019-10-15
10309213 Distributed optical sensing using compressive sampling Satyan Gopal Bhongale, Christopher Lee Stokely, Andreas Ellmauthaler 2019-06-04
10294778 Downhole optical communication John L. Maida, Etienne M. Samson 2019-05-21
10274628 Acoustic device for reducing cable wave induced seismic noises Hua Xia, Avinash Vinayak Taware 2019-04-30
10267141 Distributed sensing systems and methods with efficient energy spectrum analysis Leonardo de Oliveira Nunes, Christopher Lee Stokely 2019-04-23
10254159 Power limiting methods for use with optical systems in hazardous area locations Mikko Jaaskelainen 2019-04-09
10247840 Optical well logging Neal G. Skinner, Etienne M. Samson, Christopher Lee Stokely, John L. Maida 2019-04-02