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Inventor

Peter Critchley

Inventor
Rugby, GB

Overview

2→
Patents
1993–2012
Patent span
Human necessities
Primary field (CPC A)

Patents· 2 as inventor

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

A23Gprimary
A23GCocoa13%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for13%
A61KPreparations for medical, dental or toiletry purposes13%
A61QSpecific use of cosmetics or similar toiletry preparations13%
C12NMicroorganisms or enzymes13%
C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture13%
F01DNon-positive displacement machines or engines, e.g. steam turbines13%
Y10TTechnical subjects covered by former us classification13%
PatentTitleYear
8,262,359'Diaphragm for turbomachines and method of manufacture'20125,234,825'Process of polysaccharides'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993Based in Bedford, GB· patent location history
2012Patents assigned to ALSTOM TECHNOLOGY LTD (1)· patent assignee history
2012Patents assigned to BLATCHFORD DAVID PAUL (1)· patent assignee history
2012Patents assigned to CRITCHLEY PETER FRANK (1)· patent assignee history
2012Patents assigned to LITTLEWOOD DAVID (1)· patent assignee history
2012Patents assigned to LORD ADRIAN (1)· patent assignee history
2012Based in Rugby, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ALSTOM TECHNOLOGY LTD12012
BLATCHFORD DAVID PAUL12012
CRITCHLEY PETER FRANKself12012
LITTLEWOOD DAVID12012
LORD ADRIAN12012
Locations
LocationPatentsSpan
Rugby, GB12012
Bedford, GB11993