LexDanaLexDanabeta
Inventor

Geoffrey T. Brown

Inventor
Hemingbrough, GB

Overview

7→
Patents
1979–1999
Patent span
Electricity
Primary field (CPC H)

Patents· 7 as inventor

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

H02Pprimary
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters40%
G01DMeasuring not specially adapted for a specific variable13%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock13%
H02KDynamo-electric machines13%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients7%
D03DWoven fabrics7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
PatentTitleYear
5,894,210'Control of a switched reluctance machine'19995,857,496'Weaving apparatus including switched reluctance drive'19995,739,663'Phase energization controller and method for controlling switched reluctance machines using simple angular position sensors with improved angle interpolation'19985,724,477'Compensation for input voltage variation in an electric motor drive'19985,637,972'Rotor position encoder having features in decodeable angular positions'19975,539,293'Rotor position encoder having features in decodable angular positions'19964,137,199'Fire-retardant composition'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979Patents assigned to ICI LTD (1)· patent assignee history
1979Based in Runcorn, GB· patent location history
1996–1999Patents assigned to SWITCHED RELUCTANCE DRIVES LTD (6)· patent assignee history
1996–1999Based in Hemingbrough, GB· patent location history
1998–1999Based in Harrogate, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SWITCHED RELUCTANCE DRIVES LTD61996–1999
ICI LTD11979
Locations
LocationPatentsSpan
Hemingbrough, GB41996–1999
Harrogate, GB21998–1999
Runcorn, GB11979