Inventor
David Walter Parry
Inventor
Cincinnati, OH, US
Overview
Patents· 11 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 turbines19%
G01BMeasuring length, thickness or similar linear dimensions15%
Y02TClimate change mitigation technologies related to transportation15%
F23RGenerating combustion products of high pressure or high velocity, e.g. gas-turbine combustion chambers11%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants7%
H01QAntennas, i.e. radio aerials7%
Y10TTechnical subjects covered by former us classification7%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling4%
C23CCoating metallic material4%
F02CGas-turbine plants4%
PatentTitleYear
10,428,692Turbine center frame fairing assembly20198,536,878'Automated sensor specific calibration through sensor parameter download'20138,177,474'System and method for turbine engine clearance control with rub detection'20128,121,813'System and method for clearance estimation between two objects'20128,022,715'Automated sensor specific calibration through sensor parameter download'20117,294,413'Substrate protected by superalloy bond coat system and microcracked thermal barrier coating'20075,289,687'One-piece cowl for a double annular combustor'19945,237,820'Integral combustor cowl plate/ferrule retainer'19935,154,060'Stiffened double dome combustor'19925,140,335'Back-to-back ridged branch manifold structure for a radar frequency antenna'19924,815,339'Antenna shaft positioning device'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1992Based in Ellicott City, MD, US· patent location history
1992–2019Patents assigned to GEN ELECTRIC (9)· patent assignee history
1992–2019Based in Cincinnati, OH, US· patent location history
2012–2013Patents assigned to ANDARAWIS EMAD ANDARAWIS (3)· patent assignee history
2012–2013Patents assigned to BALASUBRAMANIAM MAHADEVAN (3)· patent assignee history
2012–2013Patents assigned to CHAN DAVID SO KEUNG (3)· patent assignee history
2012–2013Patents assigned to DASGUPTA SAMHITA (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN ELECTRIC | 9 | 1992–2019 |
| ANDARAWIS EMAD ANDARAWIS | 3 | 2012–2013 |
| BALASUBRAMANIAM MAHADEVAN | 3 | 2012–2013 |
| CHAN DAVID SO KEUNG | 3 | 2012–2013 |
| DASGUPTA SAMHITA | 3 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cincinnati, OH, US | 9 | 1992–2019 |
| Ellicott City, Maryland, US | 2 | 1989–1992 |