Inventor
David Leo
Inventor
Winchester, MA, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Bprimary
A61BDiagnosis13%
F21LLighting devices or systems thereof, being portable or specially adapted for transportation13%
F21VFunctional features or details of lighting devices or systems thereof13%
F21WIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to uses or applications of lighting devices or systems13%
F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted13%
G02BOptical elements, systems or apparatus13%
H05BElectric heating13%
F01DNon-positive displacement machines or engines, e.g. steam turbines6%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants3%
PatentTitleYear
11,016,282Handheld mobile light source202110,782,518Embeddable module for high output LED202010,768,407Embeddable module for high output LED202010,281,709Handheld mobile light source20198,246,306'Airfoil for nozzle and a method of forming the machined contoured passage therein'20126,843,637'Cooling circuit within a turbine nozzle and method of cooling a turbine nozzle'2005Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2005–2012Patents assigned to GEN ELECTRIC (2)· patent assignee history
2005–2012Based in Leominster, MA, US· patent location history
2012Patents assigned to GILL RANDALL (1)· patent assignee history
2012Patents assigned to LEO DAVID (1)· patent assignee history
2012Patents assigned to SCHOTSCH MARGARET JONES (1)· patent assignee history
2019–2021Patents assigned to Acera LLC (4)· patent assignee history
2019–2021Based in Winchester, MA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| Acera LLC | 4 | 2019–2021 |
| GEN ELECTRIC | 2 | 2005–2012 |
| GILL RANDALL | 1 | 2012 |
| LEO DAVIDself | 1 | 2012 |
| SCHOTSCH MARGARET JONES | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Winchester, Massachusetts, US | 4 | 2019–2021 |
| Leominster, Massachusetts, US | 2 | 2005–2012 |