Inventor
DOUGLAS DUANE WARD
Inventor
US
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B64Cprimary
B64CAeroplanes14%
F01DNon-positive displacement machines or engines, e.g. steam turbines14%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants14%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form10%
B64DEquipment for fitting in or to aircraft10%
F02CGas-turbine plants10%
F02KJet-propulsion plants10%
B23PMetal-working not otherwise provided for5%
B29DProducing particular articles from plastics or from substances in a plastic state5%
F04DNon-positive-displacement pumps5%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2024Patents assigned to GEN ELECTRIC (3)· patent assignee history
2022–2024Based in US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN ELECTRIC | 3 | 2022–2024 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 3 | 2022–2024 |