Inventor
Duane Lee Turner
Inventor
Cedar Rapids, IA, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Hprimary
H01HElectric switches77%
G01RMeasuring electric variables8%
H02HEmergency protective circuit arrangements8%
LOC138%
PatentTitleYear
8,134,092'Circuit breaker cover attachment'20127,498,535'Circuit breaker operator'2009D0562257'Transfer switch for alternative power sources to a load center'20085,861,784'Manual override mechanism for a remote controlled circuit breaker'19995,847,913'Trip indicators for circuit protection devices'19985,834,997'Coupling member for securing a spring to a rotatable motor shaft'19985,831,500'Trip flag guide for a circuit breaker'19985,821,839'Improved calibration means for a circuit breaker'19985,481,235'Conducting spring for a circuit interrupter test circuit'19965,446,431'Ground fault module conductors and base therefor'19955,245,302'Automatic miniature circuit breaker with Z-axis assemblable trip mechanism'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–2009Patents assigned to SQUARE D CO (10)· patent assignee history
1993–1999Based in Cedar Rapids, IA, US· patent location history
2008–2012Based in Fairfax, IA, US· patent location history
2012Patents assigned to BLAKE RANDY WILLIAM (1)· patent assignee history
2012Patents assigned to SCHNEIDER ELECTRIC USA INC (1)· patent assignee history
2012Patents assigned to TURNER DUANE LEE (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SQUARE D CO | 10 | 1993–2009 |
| BLAKE RANDY WILLIAM | 1 | 2012 |
| SCHNEIDER ELECTRIC USA INC | 1 | 2012 |
| TURNER DUANE LEEself | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cedar Rapids, IA, US | 8 | 1993–1999 |
| Fairfax, IA, US | 3 | 2008–2012 |