Inventor
William F. Pranger
Inventor
Claremore, OK, US
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F04Dprimary
F04DNon-positive-displacement pumps33%
H02KDynamo-electric machines33%
Y10TTechnical subjects covered by former us classification33%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987Patents assigned to HUGHES TOOL CO (1)· patent assignee history
1987–2013Based in Claremore, OK, US· patent location history
2013Patents assigned to BAKER HUGHES INC (1)· patent assignee history
2013Patents assigned to BROOKBANK EARL B (1)· patent assignee history
2013Patents assigned to KNAPP JOHN M (1)· patent assignee history
2013Patents assigned to O'BRYAN SURESHA R (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAKER HUGHES INC | 1 | 2013 |
| BROOKBANK EARL B | 1 | 2013 |
| HUGHES TOOL CO | 1 | 1987 |
| KNAPP JOHN M | 1 | 2013 |
| O'BRYAN SURESHA R | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Claremore, OK, US | 2 | 1987–2013 |