Inventor
Don T. Macune
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 drilling43%
G01VGeophysics43%
G01RMeasuring electric variables14%
PatentTitleYear
6,777,940'Apparatus and method for resistivity well logging'20046,157,893'Modified formation testing apparatus and method'20006,047,239'Formation testing apparatus and method'20005,803,186'Formation isolation and testing apparatus and method'19985,432,446'Borehole measurement of NMR characteristics of earth formation'19954,965,522'Multifrequency signal transmitter with attenuation of selected harmonies for an array induction well logging apparatus'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–1995Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (2)· patent assignee history
1990–2004Based in Houston, TX, US· patent location history
1998–2000Patents assigned to BAKER HUGHES INC (3)· patent assignee history
2004Patents assigned to ULTIMA LABS INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAKER HUGHES INC | 3 | 1998–2000 |
| SCHLUMBERGER TECHNOLOGY CORP | 2 | 1990–1995 |
| ULTIMA LABS INC | 1 | 2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Houston, Texas, US | 6 | 1990–2004 |