Inventor
Mark Crabbe
Inventor
Spring, TX, US
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation33%
B07BSeparating solids from solids by sieving, screening, sifting or by using gas currents33%
E21BEarth or rock drilling33%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994Patents assigned to CRABBE MARK D (1)· patent assignee history
1994Based in Lafayette, LA, US· patent location history
2002Patents assigned to VARCO INT (1)· patent assignee history
2002–2004Based in Spring, TX, US· patent location history
2004Patents assigned to TUBOSCOPE I P INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CRABBE MARK Dself | 1 | 1994 |
| TUBOSCOPE I P INC | 1 | 2004 |
| VARCO INT | 1 | 2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Spring, Texas, US | 2 | 2002–2004 |
| Lafayette, LA, US | 1 | 1994 |