Spencer; Douglas W.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Spencer; Douglas W..The latest application filed is for "fluid emitter system for tubular inspection".

Company Profile

4.9.14

Spencer; Douglas W. - Rapid City MI
Spencer; Douglas W. - Williamsburg MI US
Spencer; Douglas W. - Traverse City MI

*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
Fluid Emitter System For Tubular Inspection App 20190353621 - Smith; David S. ; et al.	2019-11-21
Method and apparatus for material identification of pipelines and other tubulars Grant 10,444,194 - Girrell , et al. Oc	2019-10-15
Method and apparatus for stress mapping of pipelines and other tubulars Grant 10,364,665 - Girrell , et al.	2019-07-30
Pipeline Depth Of Cover Determination Method And Apparatus App 20190212131 - Spencer; Douglas W. ; et al.	2019-07-11
Statistical Analysis Of Chaotic Response Signals For Tubulars App 20190086370 - Vieau; Dean M. ; et al.	2019-03-21
Method And Apparatus For Metamaterial Enhanced Chaotic Cavity Transducer App 20180231507 - Vieau; Dean M. ; et al.	2018-08-16
Magneto-mechanical Impedance Methods And Apparatus For Crack Detection And Characterization Of Conduits And Other Structures App 20180179885 - Vieau; Dean M. ; et al.	2018-06-28
Method And Apparatus For Vibroacoustic Modulation Crack Detection And Characterization Of Conduits And Other Structures App 20180149622 - Vieau; Dean M. ; et al.	2018-05-31
Method And Apparatus For Stress Mapping Of Pipelines And Other Tubulars App 20180023384 - Girrell; Bruce I. ; et al.	2018-01-25
Method And Apparatus For Material Identification Of Pipelines And Other Tubulars App 20170307500 - Girrell; Bruce I. ; et al.	2017-10-26
Stress detection tool using magnetic barkhausen noise Grant 8,797,033 - Girrell , et al. August 5, 2	2014-08-05
Communication system for pipeline inspection Grant 8,261,623 - Miller , et al. September 11, 2	2012-09-11
Apparatus and method of using multi-component measurements for casing evaluation Grant 7,795,864 - Barolak , et al. September 14, 2	2010-09-14
Apparatus and method of using accelerometer measurements for casing evaluation Grant 7,595,636 - Barolak , et al. September 29, 2	2009-09-29
Communication System For Pipeline Inspection App 20090013806 - Miller; Jerry E. ; et al.	2009-01-15
Event Tracking And Monitoring System App 20080278314 - Miller; Jerry E. ; et al.	2008-11-13
Apparatus and method of determining casing thickness and permeability Grant 7,403,000 - Barolak , et al. July 22, 2	2008-07-22
Downhole hydraulic pipe cutter Grant 7,370,703 - Hill , et al. May 13, 2	2008-05-13
Downhole hydraulic pipe cutter App 20070131410 - Hill; Freeman L. ; et al.	2007-06-14
Apparatus and method of using accelerometer measurements for casing evaluation App 20060202685 - Barolak; Joseph Gregory ; et al.	2006-09-14
Apparatus and method of determining casing thickness and permeability App 20060202700 - Barolak; Joseph Gregory ; et al.	2006-09-14
Apparatus and method of using multi-component measurements for casing evaluation App 20060202686 - Barolak; Joseph Gregory ; et al.	2006-09-14

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.