Inventor

John H. Mason

Inventor
Barnoldswick, GB

Overview

4→
Patents
1976–2020
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.

B21Dprimary
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material12%
F01DNon-positive displacement machines or engines, e.g. steam turbines12%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants12%
B01DSeparation6%
B23KSoldering or unsoldering6%
B23PMetal-working not otherwise provided for6%
B29CShaping or joining of plastics6%
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. inserts6%
B29LIndexing scheme associated with subclass b29c, relating to particular articles6%
F02KJet-propulsion plants6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1980Patents assigned to CARBORUNDUM CO (2)· patent assignee history
1976–1980Based in Clarence, NY, US· patent location history
2019–2020Patents assigned to ROLLS ROYCE PLC (2)· patent assignee history
2019–2020Based in Barnoldswick, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CARBORUNDUM CO21976–1980
ROLLS ROYCE PLC22019–2020
Locations
LocationPatentsSpan
Barnoldswick, GB22019–2020
Clarence, New York, US21976–1980