Inventor

David E. Murray

Inventor
Leeds, GB

Overview

21→
Patents
1977–2018
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 21 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F22Bprimary
F22BMethods of steam generation18%
F28GCleaning of internal or external surfaces of heat-exchange or heat-transfer conduits, e.g. water tubes or boilers15%
G06FElectric digital data processing15%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices12%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
H02KDynamo-electric machines6%
A01GHorticulture3%
A01KAnimal husbandry3%
B05BSpraying apparatus3%
B41NPrinting plates or foils3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1999Based in Leeds, GB· patent location history
1990–1992Patents assigned to WESTINGHOUSE ELECTRIC CORP (6)· patent assignee history
1990–1992Based in Greensburg, PA, US· patent location history
1992Patents assigned to DU PONT HOWSON LTD (1)· patent assignee history
1997–1999Patents assigned to DUPONT U K LTD (2)· patent assignee history
1998–2000Patents assigned to COMPAQ COMPUTER CORP (3)· patent assignee history
1998–2000Based in Houston, TX, US· patent location history
2013Patents assigned to BOYLAN SEAN (1)· patent assignee history
2013Based in County Galway, IE· patent location history
2018Based in Byron, GA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WESTINGHOUSE ELECTRIC CORP61990–1992
COMPAQ COMPUTER CORP31998–2000
DUPONT U K LTD21997–1999
BOYLAN SEAN12013
DU PONT HOWSON LTD11992
Locations
LocationPatentsSpan
Leeds, GB51982–1999
Greensburg, Pennsylvania, US51990–1992
Houston, Texas, US31998–2000
Byron, Georgia, US12018
County Galway, IE12013