Inventor
Doyle Frederic Boutwell, Jr.
Inventor
Houston, TX, US
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling65%
Y10TTechnical subjects covered by former us classification17%
B23DPlaning4%
B23KSoldering or unsoldering4%
B66CCranes4%
F16LPipes4%
PatentTitleYear
9,670,038'Drilling rig transfer system and method'20178,567,512'Apparatus for gripping a tubular on a drilling rig'20138,485,269'Control line running system'20138,191,641'Control line running system'20128,167,038'System and method for deflection compensation in power drive system for connection of tubulars'20128,141,642'Fill up and circulation tool and mudsaver valve'20127,967,073'Control line running system'20117,926,577'Methods and apparatus for supporting tubulars'20117,882,902'Top drive interlock'20117,874,352'Apparatus for gripping a tubular on a drilling rig'20117,568,522'System and method for deflection compensation in power drive system for connection of tubulars'20097,370,707'Method and apparatus for handling wellbore tubulars'20087,100,697'Method and apparatus for reforming tubular connections'20066,832,656'Valve for an internal fill up tool and associated method'20045,083,356'Collar load support tubing running procedure'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–2017Based in Houston, TX, US· patent location history
2006–2013Patents assigned to WEATHERFORD LAMB (12)· patent assignee history
2012–2013Patents assigned to BOUTWELL JR DOYLE FREDERIC (4)· patent assignee history
2012–2013Patents assigned to HEIDECKE KARSTEN (3)· patent assignee history
2012–2013Patents assigned to HAYES MICHAEL (2)· patent assignee history
2012–2013Patents assigned to PIETRAS BERND-GEORG (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WEATHERFORD LAMB | 12 | 2006–2013 |
| BOUTWELL JR DOYLE FREDERICself | 4 | 2012–2013 |
| HEIDECKE KARSTEN | 3 | 2012–2013 |
| HAYES MICHAEL | 2 | 2012–2013 |
| PIETRAS BERND-GEORG | 2 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Houston, Texas, US | 15 | 1992–2017 |