Inventor

Pushpkumar D. Changani

Inventor

Swindon, GB

Overview

9→

Patents

1976–1989

Patent span

Performing operations

Primary field (CPC B)

Patents· 9 as inventor

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

B29Cprimary

B29CShaping or joining of plastics16%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%

Y10TTechnical subjects covered by former us classification12%

H01BCables9%

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. inserts7%

B29LIndexing scheme associated with subclass b29c, relating to particular articles7%

C08JWorking-up7%

H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines7%

A24DCigars5%

Y02PClimate change mitigation technologies in the production or processing of goods5%

PatentTitleYear

4,798,752'Curable sheet'1989 4,488,642'Polymeric articles'1984 4,425,390'Marker sleeve assembly'1984 4,366,201'Heat shrinkable wraparound closures'1982 4,349,404'Polymeric articles'1982 4,345,957'Polymeric articles'1982 4,279,848'Process for extruding an open-cell foamed polyolefin filter'1981 4,210,773'Wiring harness'1980 3,939,849'Filter elements'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to MONSANTO CHEMICALS (1)· patent assignee history

1976–1981Based in Glasgow, GB· patent location history

1980–1989Patents assigned to RAYCHEM LTD (3)· patent assignee history

1980–1989Based in Swindon, GB· patent location history

1981Patents assigned to MONSANTO CO (1)· patent assignee history

1982–1984Patents assigned to RAYCHEM CORP (4)· patent assignee history

1984Based in Swindom, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
RAYCHEM CORP	4	1982–1984
RAYCHEM LTD	3	1980–1989
MONSANTO CHEMICALS	1	1976
MONSANTO CO	1	1981

Locations

Location	Patents	Span
Swindon, GB	6	1980–1989
Glasgow, GB	2	1976–1981
Swindom, GB	1	1984