Inventor
Derrek R. Drachenberg
Inventor
Livermore, CA, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus37%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light37%
B22FWorking metallic powder5%
B23KSoldering or unsoldering5%
B29CShaping or joining of plastics5%
B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering5%
H03FAmplifiers5%
PatentTitleYear
10,978,849User defined intensity profile laser beam202110,897,116Method and apparatus for ensuring a uniform temperature profile in ribbon fiber lasers and amplifiers202110,838,149Dual-core fiber amplifier for separation of thermal and nonlinear effects202010,348,050Nd201910,033,148Waveguide design for line selection in fiber lasers and amplifiers20189,373,928'Diffractive optical elements for transformation of modes in lasers'20169,124,066'Diffractive optical elements for transformation of modes in lasers'2015Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2015–2021Patents assigned to L LIVERMORE NAT SECURITY LLC (7)· patent assignee history
2015–2021Based in Livermore, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| L LIVERMORE NAT SECURITY LLC | 7 | 2015–2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Livermore, California, US | 7 | 2015–2021 |