Inventor

Roger Lee Doughty

Inventor
Pleasant Plain, OH, US

Overview

10→
Patents
2000–2019
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 10 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 turbines33%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants30%
Y02TClimate change mitigation technologies related to transportation23%
F02CGas-turbine plants7%
B22CFoundry moulding3%
Y10TTechnical subjects covered by former us classification3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2019Patents assigned to GEN ELECTRIC (10)· patent assignee history
2000–2003Based in Cincinnati, OH, US· patent location history
2008–2019Based in Pleasant Plain, OH, US· patent location history
2011–2017Patents assigned to DOUGHTY ROGER LEE (4)· patent assignee history
2011–2017Patents assigned to SHAPIRO JASON DAVID (3)· patent assignee history
2014–2015Patents assigned to JAMISON JOSHUA BRIAN (2)· patent assignee history
2015–2017Patents assigned to FRANKS MICHAEL JOHN (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GEN ELECTRIC102000–2019
DOUGHTY ROGER LEEself42011–2017
SHAPIRO JASON DAVID32011–2017
FRANKS MICHAEL JOHN22015–2017
JAMISON JOSHUA BRIAN22014–2015
Locations
LocationPatentsSpan
Pleasant Plain, OH, US62008–2019
Cincinnati, OH, US42000–2003