Douglas W. Spencer

Person

Williamsburg, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for material identification of pipelines and o...
- Patent number 10,444,194
- Issue date Oct 15, 2019
- Quanta Associates, L.P.
- Bruce I. Girrell
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for stress mapping of pipelines and other tubu...
- Patent number 10,364,665
- Issue date Jul 30, 2019
- Quanta Associates, L.P.
- Bruce I. Girrell
- G01 - MEASURING TESTING
Information Patent Grant
Stress detection tool using magnetic barkhausen noise
- Patent number 8,797,033
- Issue date Aug 5, 2014
- Microline Technology Corporation
- Bruce I. Girrell
- E21 - EARTH DRILLING MINING
Information Patent Grant
Communication system for pipeline inspection
- Patent number 8,261,623
- Issue date Sep 11, 2012
- Microline Technology Corporation
- Jerry E. Miller
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Pipe stress detection tool using magnetic barkhausen noise
- Patent number 8,035,374
- Issue date Oct 11, 2011
- Microline Technology Corporation
- Bruce I. Girrell
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus and method of using multi-component measurements for casi...
- Patent number 7,795,864
- Issue date Sep 14, 2010
- Baker Hughes Incorporated
- Joseph Gregory Barolak
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus and method of using accelerometer measurements for casing...
- Patent number 7,595,636
- Issue date Sep 29, 2009
- Baker Hughes Incorporated
- Joseph Gregory Barolak
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus and method of determining casing thickness and permeability
- Patent number 7,403,000
- Issue date Jul 22, 2008
- Baker Hughes Incorporated
- Joseph Gregory Barolak
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole hydraulic pipe cutter
- Patent number 7,370,703
- Issue date May 13, 2008
- Baker Hughes Incorporated
- Freeman L. Hill
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
FLUID EMITTER SYSTEM FOR TUBULAR INSPECTION
- Publication number 20190353621
- Publication date Nov 21, 2019
- QUANTA ASSOCIATES, L.P.
- David S. Smith
- G01 - MEASURING TESTING
Information Patent Application
PIPELINE DEPTH OF COVER DETERMINATION METHOD AND APPARATUS
- Publication number 20190212131
- Publication date Jul 11, 2019
- QUANTA ASSOCIATES, L.P.
- Douglas W. Spencer
- G01 - MEASURING TESTING
Information Patent Application
STATISTICAL ANALYSIS OF CHAOTIC RESPONSE SIGNALS FOR TUBULARS
- Publication number 20190086370
- Publication date Mar 21, 2019
- QUANTA ASSOCIATES, L.P.
- Dean M. Vieau
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD AND APPARATUS FOR METAMATERIAL ENHANCED CHAOTIC CAVITY TRANS...
- Publication number 20180231507
- Publication date Aug 16, 2018
- MICROLINE TECHNOLOGY CORPORATION
- Dean M. Vieau
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MAGNETO-MECHANICAL IMPEDANCE METHODS AND APPARATUS FOR CRACK DETECT...
- Publication number 20180179885
- Publication date Jun 28, 2018
- MICROLINE TECHNOLOGY CORPORATION
- Dean M. Vieau
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD AND APPARATUS FOR VIBROACOUSTIC MODULATION CRACK DETECTION A...
- Publication number 20180149622
- Publication date May 31, 2018
- MICROLINE TECHNOLOGY CORPORATION
- Dean M. Vieau
- G01 - MEASURING TESTING
Information Patent Application
METHOD AND APPARATUS FOR STRESS MAPPING OF PIPELINES AND OTHER TUBU...
- Publication number 20180023384
- Publication date Jan 25, 2018
- MICROLINE TECHNOLOGY CORPORATION
- Bruce I. Girrell
- G01 - MEASURING TESTING
Information Patent Application
METHOD AND APPARATUS FOR MATERIAL IDENTIFICATION OF PIPELINES AND O...
- Publication number 20170307500
- Publication date Oct 26, 2017
- MICROLINE TECHNOLOGY CORPORATION
- Bruce I. Girrell
- G01 - MEASURING TESTING
Information Patent Application
COMMUNICATION SYSTEM FOR PIPELINE INSPECTION
- Publication number 20090013806
- Publication date Jan 15, 2009
- MICROLINE TECHNOLOGY CORPORATION
- Jerry E. Miller
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
EVENT TRACKING AND MONITORING SYSTEM
- Publication number 20080278314
- Publication date Nov 13, 2008
- IonEarth LLC
- Jerry E. Miller
- G07 - CHECKING-DEVICES
Information Patent Application
Downhole hydraulic pipe cutter
- Publication number 20070131410
- Publication date Jun 14, 2007
- BAKER HUGHES, INCORPORATED
- Freeman L. Hill
- E21 - EARTH DRILLING MINING
Information Patent Application
Apparatus and method of determining casing thickness and permeability
- Publication number 20060202700
- Publication date Sep 14, 2006
- Baker Hughes Incorporated
- Joseph Gregory Barolak
- E21 - EARTH DRILLING MINING
Information Patent Application
Apparatus and method of using accelerometer measurements for casing...
- Publication number 20060202685
- Publication date Sep 14, 2006
- Baker Hughes Incorporated
- Joseph Gregory Barolak
- E21 - EARTH DRILLING MINING
Information Patent Application
Apparatus and method of using multi-component measurements for casi...
- Publication number 20060202686
- Publication date Sep 14, 2006
- Baker Hughes Incorporated
- Joseph Gregory Barolak
- E21 - EARTH DRILLING MINING

Douglas W. Spencer

Person

Patents Grantslast 30 patents

Method and apparatus for material identification of pipelines and o...

Method and apparatus for stress mapping of pipelines and other tubu...

Stress detection tool using magnetic barkhausen noise

Communication system for pipeline inspection

Pipe stress detection tool using magnetic barkhausen noise

Apparatus and method of using multi-component measurements for casi...

Apparatus and method of using accelerometer measurements for casing...

Apparatus and method of determining casing thickness and permeability

Downhole hydraulic pipe cutter

Patents Applicationslast 30 patents

FLUID EMITTER SYSTEM FOR TUBULAR INSPECTION

PIPELINE DEPTH OF COVER DETERMINATION METHOD AND APPARATUS

STATISTICAL ANALYSIS OF CHAOTIC RESPONSE SIGNALS FOR TUBULARS

METHOD AND APPARATUS FOR METAMATERIAL ENHANCED CHAOTIC CAVITY TRANS...

MAGNETO-MECHANICAL IMPEDANCE METHODS AND APPARATUS FOR CRACK DETECT...

METHOD AND APPARATUS FOR VIBROACOUSTIC MODULATION CRACK DETECTION A...

METHOD AND APPARATUS FOR STRESS MAPPING OF PIPELINES AND OTHER TUBU...

METHOD AND APPARATUS FOR MATERIAL IDENTIFICATION OF PIPELINES AND O...

COMMUNICATION SYSTEM FOR PIPELINE INSPECTION

EVENT TRACKING AND MONITORING SYSTEM

Downhole hydraulic pipe cutter

Apparatus and method of determining casing thickness and permeability

Apparatus and method of using accelerometer measurements for casing...

Apparatus and method of using multi-component measurements for casi...