Inventor
Bernard Humprey
Inventor
Aberdeenshire, GB
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling100%
PatentTitleYear
6,705,401'Ported subsea wellhead'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004Patents assigned to VETCO GRAY INC ABB (1)· patent assignee history
2004Based in Aberdeenshire, GB· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| VETCO GRAY INC ABB | 1 | 2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Aberdeenshire, GB | 1 | 2004 |