Inventor

William F. Pranger

Inventor
Claremore, OK, US

Overview

2→
Patents
1987–2013
Patent span
Mechanical engineering
Primary field (CPC F)

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
AssigneePatentsSpan
BAKER HUGHES INC12013
BROOKBANK EARL B12013
HUGHES TOOL CO11987
KNAPP JOHN M12013
O'BRYAN SURESHA R12013
Locations
LocationPatentsSpan
Claremore, OK, US21987–2013