WJ

William Johnston

BC Baker Hughes, A Ge Company: 10 patents #56 of 1,459Top 4%
BH Baker Hughes Holdings: 5 patents #632 of 3,522Top 20%
BO Baker Hughes Oilfield Operations: 2 patents #266 of 1,057Top 30%
BL British Technology Group Limited: 1 patents #139 of 501Top 30%
OM Omnitracs: 1 patents #41 of 106Top 40%
QU Qualcomm: 1 patents #7,512 of 12,104Top 65%
VE Verizon: 1 patents #3,381 of 6,226Top 55%
📍 Blacksburg, VA: #43 of 1,029 inventorsTop 5%
🗺 Virginia: #1,022 of 34,511 inventorsTop 3%
Overall (All Time): #181,392 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
12168928 Grating position dithering for improved distributed acoustic sensing engineered fiber performance Paul F. Wysocki, Dan Provenzano 2024-12-17
11796382 Drift correction in a fiber optic distributed acoustic sensing system Alexander M. Barry 2023-10-24
11125636 Quadrature detection for optical MEMS pressure gauge Alexander M. Barry 2021-09-21
10746016 Time division multiplexing of distributed downhole sensing systems Alexander M. Barry, Ian Mitchell 2020-08-18
10690552 DTS performance improvement through variable mode path length averaging Ian Mitchell, Alexander M. Barry 2020-06-23
10677050 Dispersion-shifted optical fibers for downhole sensing Paul F. Wysocki 2020-06-09
10545036 Distributed parameter measurements using multiple optical sources 2020-01-28
10494914 Measurement of temperature using combination of rayleigh and raman backscatter interferometry 2019-12-03
10415375 Optical fiber distributed sensors with improved dynamic range 2019-09-17
10208586 Temperature sensing using distributed acoustic sensing 2019-02-19
10161811 Distributed temperature sensor enhancement by stimulated Raman suppression Ian Mitchell, Ashwin Chandran 2018-12-25
9989425 Attenuation correction for distrbuted temperature sensors using antistokes to rayleigh ratio Ian Mitchell, Ashwin Chandran 2018-06-05
9982531 Optical fiber distributed sensors with improved dynamic range 2018-05-29
9797783 Filter and method and distributed temperature sensor system Ian Mitchell 2017-10-24
9670759 Monitoring fluid flow in a downhole assembly Erik N. Lee, Daniel Boyd Cooper 2017-06-06
9634766 Distributed acoustic sensing using low pulse repetition rates 2017-04-25
9404831 Arrayed wave division multiplex to extend range of IOFDR fiber bragg sensing system Alexander M. Barry, Karl Kai Ku, Ian Mitchell 2016-08-02
9110251 Processing images of fiber optic connector ends David Zhi Chen 2015-08-18
8736397 Ku-band coaxial to microstrip mixed dielectric PCB interface with surface mount diplexer Jeff Devereux, Fritz Berger, Mohammad Ali Tassoudji, Scott Aldern 2014-05-27
8471649 Ku-band diplexer Jeff Devereux, Fritz Berger, Mohammad Ali Tassoudji, Scott Aldern 2013-06-25
5717928 System and a method for obtaining a mask programmable device using a logic description and a field programmable device implementing the logic description Michel J. Campmas, Gai-Bing Chen 1998-02-10
5273484 Food-processing apparatus Alexander Roger 1993-12-28
5267399 Implement for simultaneous skin chilling and chilled gel application 1993-12-07