Inventor

Geoffrey Greenhalgh

Inventor

Orrell, GB

Overview

1977–1996

Patent span

Performing operations

Primary field (CPC B)

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

C03Bprimary

C03BManufacture, shaping, or supplementary processes26%

B60JWindows, windscreens, non-fixed roofs, doors, or similar devices for vehicles11%

B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general11%

B60SServicing, cleaning, repairing, supporting, lifting, or manoeuvring of vehicles, not otherwise provided for11%

H01QAntennas, i.e. radio aerials11%

H05BElectric heating11%

Y10TTechnical subjects covered by former us classification11%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%

C01BNon-metallic elements5%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to DE BEERS IND DIAMOND (1)· patent assignee history

1977Based in West Sussex, GB· patent location history

1979–1980Patents assigned to TRIPLEX SAFETY GLASS CO (3)· patent assignee history

1979–1980Based in Wigan, GB· patent location history

1980–1996Based in Orrell, GB· patent location history

1989–1991Patents assigned to PILKINGTON PLC (3)· patent assignee history

1989–1991Patents assigned to FLACHGLAS AG (2)· patent assignee history

1989Patents assigned to LIBBEY OWENS FORD CO (1)· patent assignee history

1991Based in Lancashire, GB· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations