Inventor
Craig L. Christenson
Inventor
Tehachapi, CA, US
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F05Bprimary
F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g23%
F03DWind motors20%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution20%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters16%
F42BExplosive charges, e.g. for blasting, fireworks, ammunition7%
Y02PClimate change mitigation technologies in the production or processing of goods5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
Y10TTechnical subjects covered by former us classification5%
PatentTitleYear
8,738,192'Methods for operating a wind turbine'20148,108,997'Methods and apparatus for replacing objects on horizontal shafts in elevated locations'20127,721,434'Methods and apparatus for replacing objects on horizontal shafts in elevated locations'20107,095,131'Variable speed wind turbine generator'20066,856,039'Variable speed wind turbine generator'20056,847,128'Variable speed wind turbine generator'20056,600,240'Variable speed wind turbine generator'20036,420,795'Variable speed wind turbine generator'20026,265,785'Non-volatile over speed control system for wind turbines'20016,137,187'Variable speed wind turbine generator'20005,413,049'Reduction of velocity decay of fin stabilized subcaliber projectiles'19954,901,646'Fin-stabilized subcaliber projectile'19904,815,682'Fin-stabilized subcaliber projectile and method of spin tuning'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1995Patents assigned to PACIFIC ARMATECHNICA CORP (3)· patent assignee history
1989–1995Based in Santa Barbara, CA, US· patent location history
2000–2002Patents assigned to ZOND ENERGY SYSTEMS INC (2)· patent assignee history
2000–2014Based in Tehachapi, CA, US· patent location history
2003–2014Patents assigned to GEN ELECTRIC (7)· patent assignee history
2012Patents assigned to AFIMIWALA KIRSH ALIMOHAMMED (1)· patent assignee history
2012Patents assigned to CHRISTENSON CRAIG LEONARD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN ELECTRIC | 7 | 2003–2014 |
| PACIFIC ARMATECHNICA CORP | 3 | 1989–1995 |
| ZOND ENERGY SYSTEMS INC | 2 | 2000–2002 |
| AFIMIWALA KIRSH ALIMOHAMMED | 1 | 2012 |
| CHRISTENSON CRAIG LEONARDself | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tehachapi, California, US | 10 | 2000–2014 |
| Santa Barbara, California, US | 3 | 1989–1995 |