Inventor

Ian Bennion

Inventor
Ravensthorpe, GB

Overview

14→
Patents
1988–2009
Patent span
Physics
Primary field (CPC G)

Patents· 14 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus23%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein16%
G01BMeasuring length, thickness or similar linear dimensions10%
G01DMeasuring not specially adapted for a specific variable10%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure10%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves6%
G01KMeasuring temperature6%
A61BDiagnosis3%
C07DHeterocyclic compounds3%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1991Patents assigned to PLESSEY OVERSEAS (5)· patent assignee history
1988–2009Based in Ravensthorpe, GB· patent location history
1989–1991Patents assigned to PLESSEY CO PLC (2)· patent assignee history
1989–2004Based in Northampton, GB· patent location history
2004–2009Patents assigned to UNIV ASTON (3)· patent assignee history
2004–2005Patents assigned to ASTON PHOTONIC TECH LTD (2)· patent assignee history
2004Patents assigned to BOOKHAM TECHNOLOGY PLC (1)· patent assignee history
2004–2007Based in Birmingham, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PLESSEY OVERSEAS51988–1991
UNIV ASTON32004–2009
ASTON PHOTONIC TECH LTD22004–2005
PLESSEY CO PLC21989–1991
BOOKHAM TECHNOLOGY PLC12004
Locations
LocationPatentsSpan
Ravensthorpe, GB61988–2009
Birmingham, GB42004–2007
Northampton, GB41989–2004