Inventor
Glenn M. Wald
Inventor
Spring, TX, US
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling50%
B63BShips or other waterborne vessels25%
E02BHydraulic engineering25%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990Patents assigned to VETCO GRAY INC (1)· patent assignee history
1990–2003Based in Spring, TX, US· patent location history
1994Patents assigned to CONOCO INC (1)· patent assignee history
2003Patents assigned to VETCO GRAY INC ABB (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CONOCO INC | 1 | 1994 |
| VETCO GRAY INC | 1 | 1990 |
| VETCO GRAY INC ABB | 1 | 2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Spring, Texas, US | 3 | 1990–2003 |