Johnston; William Albert

Patent Applications and Registrations

Patent applications and USPTO patent grants for Johnston; William Albert.The latest application filed is for "drift correction in a fiber optic distributed acoustic sensing system".

Company Profile

10.14.16

Johnston; William Albert - Houston TX US

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Quadrature detection for optical MEMS pressure gauge Grant 11,125,636 - Johnston , et al. September 21, 2	2021-09-21
Drift Correction In A Fiber Optic Distributed Acoustic Sensing System App 20210156734 - Johnston; William Albert ; et al.	2021-05-27
Time division multiplexing of distributed downhole sensing systems Grant 10,746,016 - Barry , et al. A	2020-08-18
DTS performance improvement through variable mode path length averaging Grant 10,690,552 - Mitchell , et al.	2020-06-23
Dispersion-shifted optical fibers for downhole sensing Grant 10,677,050 - Johnston , et al.	2020-06-09
Time Division Multiplexing Of Distributed Downhole Sensing Systems App 20200063550 - Barry; Alexander Michael ; et al.	2020-02-27
Distributed parameter measurements using multiple optical sources Grant 10,545,036 - Johnston Ja	2020-01-28
Quadrature Detection For Optical Mems Pressure Gauge App 20190376861 - Johnston; William Albert ; et al.	2019-12-12
Measurement of temperature using combination of rayleigh and raman backscatter interferometry Grant 10,494,914 - Johnston De	2019-12-03
Dts Performance Improvement Through Variable Mode Path Length Averaging App 20190170593 - Mitchell; Ian ; et al.	2019-06-06
Dispersion-shifted Optical Fibers For Downhole Sensing App 20180334900 - Johnston; William Albert ; et al.	2018-11-22
Measurement Of Temperature Using Combination Of Rayleigh And Raman Backscatter Interferometry App 20180223647 - Johnston; William Albert	2018-08-09
Distributed Parameter Measurements Using Multiple Optical Sources App 20180143041 - Johnston; William Albert	2018-05-24
Filter and method and distributed temperature sensor system Grant 9,797,783 - Johnston , et al. October 24, 2	2017-10-24
Filter And Method And Distributed Temperature Sensor System App 20160370235 - Johnston; William Albert ; et al.	2016-12-22

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.