Inventor
Perry D. Baycroft
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 drilling45%
C09KMaterials for miscellaneous applications, not provided for elsewhere18%
Y10TTechnical subjects covered by former us classification18%
C10LFuels not otherwise provided for9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
PatentTitleYear
7,879,767'Additives for hydrate inhibition in fluids gelled with viscoelastic surfactants'20117,730,948'Use of coated proppant to minimize abrasive erosion in high rate fracturing operations'20107,401,647'Flush mounted tubular patch'20086,932,156'Method for selectively treating two producing intervals in a single trip'20056,409,219'Downhole screen with tubular bypass'20026,230,803'Apparatus and method for treating and gravel-packing closely spaced zones'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2011Patents assigned to BAKER HUGHES INC (6)· patent assignee history
2001–2011Based in Houston, TX, US· patent location history
2010Based in Spring, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAKER HUGHES INC | 6 | 2001–2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Houston, Texas, US | 5 | 2001–2011 |
| Spring, Texas, US | 1 | 2010 |