Inventor
Walter J. Laflin
Inventor
Houston, TX, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling67%
F16LPipes22%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
PatentTitleYear
7,478,679'Field assembled packer'20097,441,596'Swelling element packer and installation method'20086,374,916'Method and apparatus for stiffening an output shaft on a cutting tool assembly'20025,348,088'Coiled tubing external connector with packing element'19945,306,050'Apparatus for internally connecting to coiled tubing'19945,238,273'Apparatus for internally connecting to coiled tubing'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–1994Patents assigned to CAMCO INT (3)· patent assignee history
1993–2009Based in Houston, TX, US· patent location history
2002Patents assigned to WEATHERFORD LAMB (1)· patent assignee history
2008–2009Patents assigned to BAKER HUGHES INC (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CAMCO INT | 3 | 1993–1994 |
| BAKER HUGHES INC | 2 | 2008–2009 |
| WEATHERFORD LAMB | 1 | 2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Houston, Texas, US | 6 | 1993–2009 |