Inventor

David N. Batchelder

Inventor

London, GB

Overview

1983–1998

Patent span

Physics

Primary field (CPC G)

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

G01Jprimary

G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light24%

B82YSpecific uses or applications of nanostructures16%

G02BOptical elements, systems or apparatus16%

G01FMeasuring volume, volume flow, mass flow or liquid level12%

G01NInvestigating or analysing materials by determining their chemical or physical properties12%

B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors4%

F16KValves4%

G01PMeasuring linear or angular speed, acceleration, deceleration, or shock4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

Y10TTechnical subjects covered by former us classification4%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1983–1985Patents assigned to ITT (3)· patent assignee history

1983–1997Based in London, GB· patent location history

1987Patents assigned to INT STANDARD ELECTRIC CORP (1)· patent assignee history

1989Patents assigned to STC PLC (1)· patent assignee history

1993–1998Patents assigned to RENISHAW PLC (7)· patent assignee history

1997–1998Based in Leeds, GB· patent location history

1998Patents assigned to FLUID LIFTING SYSTEMS INC (1)· patent assignee history

1998Based in Dallas, TX, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations