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Inventor

Raymond Michael deVial

Inventor
Beckenham, GB

Overview

4→
Patents
1976–1979
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

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

G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties25%
Y02ATechnologies for adaptation to climate change25%
F01BMachines or engines, in general or of positive-displacement type, e.g. steam engines13%
F04BPositive-displacement machines for liquids13%
G01DMeasuring not specially adapted for a specific variable13%
Y10TTechnical subjects covered by former us classification13%
PatentTitleYear
4,167,012'Chart-recording'19794,057,721'Oil pollution monitoring and monitoring unit'19773,990,815'Flow control device'19763,965,920'Installations for monitoring oil content'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1977Patents assigned to BAILEY METERS CONTROLS LTD (3)· patent assignee history
1976–1979Based in Beckenham, GB· patent location history
1979Patents assigned to BABCOCK CONTROLS LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAILEY METERS CONTROLS LTD31976–1977
BABCOCK CONTROLS LTD11979
Locations
LocationPatentsSpan
Beckenham, GB41976–1979