Inventor

Derek Brister

Inventor

Middlesex, GB

Overview

1992

Patent span

Physics

Primary field (CPC G)

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

G01Fprimary

G01FMeasuring volume, volume flow, mass flow or liquid level50%

G01NInvestigating or analysing materials by determining their chemical or physical properties50%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1992Patents assigned to BRITISH PETROLEUM CO PLC (1)· patent assignee history

1992Based in Middlesex, GB· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BRITISH PETROLEUM CO PLC	1	1992

Locations

Location	Patents	Span
Middlesex, GB	1	1992