Inventor
Douglas Duane Ward
Inventor
West Chester, OH, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F01Dprimary
F01DNon-positive displacement machines or engines, e.g. steam turbines18%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants18%
Y02TClimate change mitigation technologies related to transportation17%
F04DNon-positive-displacement pumps11%
B29CShaping or joining of plastics9%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts5%
B29LIndexing scheme associated with subclass b29c, relating to particular articles5%
Y10TTechnical subjects covered by former us classification5%
B23PMetal-working not otherwise provided for3%
F02CGas-turbine plants3%
PatentTitleYear
11,015,461Composite hollow blade and a method of forming the composite hollow blade202110,815,804Turbine engine containment assembly and method for manufacturing the same202010,815,798Turbine engine blade with leading edge strip202010,697,470Containment case trench filler layer and method of containing releasable components from rotatable machines202010,677,261Turbine engine and containment assembly for use in a turbine engine202010,662,813Turbine engine and containment assembly for use in a turbine engine202010,589,475Braided blades and vanes having dovetail roots202010,041,354Blade and method for manufacturing blade20186,814,541'Jet aircraft fan case containment design'20046,454,536'Adhesion enhancers to promote bonds of improved strength between elastomers metals in lightweight aircraft fan blades'20026,287,080'Elastomeric formulation used in the construction of lightweight aircraft engine fan blades'20016,282,786'Method of making injection formed hybrid airfoil'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2021Patents assigned to GEN ELECTRIC (12)· patent assignee history
2001–2021Based in West Chester, OH, US· patent location history
2018Patents assigned to GEMEINHARDT GREGORY CARL (1)· patent assignee history
2018Patents assigned to KRAY NICHOLAS JOSEPH (1)· patent assignee history
2018Patents assigned to RAMBO PHILLIP WAYNE (1)· patent assignee history
2018Patents assigned to WARD DOUGLAS DUANE (1)· patent assignee history
2020Based in Cincinnati, OH, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN ELECTRIC | 12 | 2001–2021 |
| GEMEINHARDT GREGORY CARL | 1 | 2018 |
| KRAY NICHOLAS JOSEPH | 1 | 2018 |
| RAMBO PHILLIP WAYNE | 1 | 2018 |
| WARD DOUGLAS DUANEself | 1 | 2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| West Chester, OH, US | 10 | 2001–2021 |
| Cincinnati, OH, US | 2 | 2020 |