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Inventor

Colin J. Leppard

Inventor
Emsworth, GB

Overview

3→
Patents
1976–1984
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B01Dprimary
B01DSeparation25%
Y02CCapture, storage, sequestration or disposal of greenhouse gases [ghg]25%
A23BPreservation of foods, foodstuffs or non-alcoholic beverages13%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry13%
C01BNon-metallic elements13%
F25BRefrigeration machines, plants or systems13%
PatentTitleYear
4,459,270'Process for the removal of hydrogen from gases'19844,183,734'Adsorption heat pump'19803,981,698'Process for the removal of carbon dioxide from gases'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to CJB DEV LIMITED (1)· patent assignee history
1976–1980Based in Emsworth, GB· patent location history
1980–1984Patents assigned to CJB DEVELOPMENTS LTD (2)· patent assignee history
1984Patents assigned to UNIVERSAL MATTHEY PROD (1)· patent assignee history
1984Based in Hampshire, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CJB DEVELOPMENTS LTD21980–1984
CJB DEV LIMITED11976
UNIVERSAL MATTHEY PROD11984
Locations
LocationPatentsSpan
Emsworth, GB21976–1980
Hampshire, GB11984