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Inventor

David R. Pugh

Inventor
Bristol, GB

Overview

4→
Patents
1991–2001
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

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

B22Dprimary
B22DCasting of metals40%
B01DSeparation20%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors20%
H05BElectric heating20%
PatentTitleYear
6,217,634'Apparatus and method for monitoring and purifying dielectric fluids'20015,954,185'Centrifugal feeder'19994,995,593'Crucible having a movable dross collector comprising an induction coil'19914,986,517'Apparatus for pouring molten metals'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to ROLLS ROYCE PLC (2)· patent assignee history
1991Based in Bristol, GB· patent location history
1999Patents assigned to SIMS MACHINE & CONTROLS INC (1)· patent assignee history
1999Based in Brooksville, FL, US· patent location history
2001Patents assigned to ELECTRIC POWER RES INST (1)· patent assignee history
2001Based in Vancouver, CA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ROLLS ROYCE PLC21991
ELECTRIC POWER RES INST12001
SIMS MACHINE & CONTROLS INC11999
Locations
LocationPatentsSpan
Bristol, GB21991
Vancouver, CA12001
Brooksville, Florida, US11999