Inventor

Mark Crabbe

Inventor
Spring, TX, US

Overview

3→
Patents
1994–2004
Patent span
Performing operations
Primary field (CPC B)

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
AssigneePatentsSpan
CRABBE MARK Dself11994
TUBOSCOPE I P INC12004
VARCO INT12002
Locations
LocationPatentsSpan
Spring, Texas, US22002–2004
Lafayette, LA, US11994