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Inventor

John Barr

Inventor
Strongsville, OH, US

Overview

4→
Patents
1981–2014
Patent span
Textiles
Primary field (CPC D)

Patents· 4 as inventor

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

D01Fprimary
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons50%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein25%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light25%
PatentTitleYear
8,867,122'Optical parametric oscillator'20148,817,837'Laser system and method of operation'20144,276,278'Spin size and thermosetting aid for pitch fibers'19814,275,051'Spin size and thermosetting aid for pitch fibers'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981Patents assigned to UNION CARBIDE CORP (2)· patent assignee history
1981Based in Strongsville, OH, US· patent location history
2014Patents assigned to BARR JOHN (2)· patent assignee history
2014Patents assigned to SELEX ES LTD (2)· patent assignee history
2014Patents assigned to LEGGE DAVID (1)· patent assignee history
2014Patents assigned to MACLEAN JOHN R (1)· patent assignee history
2014Based in Edinburgh, GB· patent location history
2014Based in Basildon, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BARR JOHNself22014
SELEX ES LTD22014
UNION CARBIDE CORP21981
LEGGE DAVID12014
MACLEAN JOHN R12014
Locations
LocationPatentsSpan
Strongsville, OH, US21981
Edinburgh, GB12014
Basildon, GB12014