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Inventor

John W. Hughes

Inventor
Columbia, MD, US

Overview

4→
Patents
1982–2016
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

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

H05Kprimary
H05KPrinted circuits33%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material17%
B25HWorkshop equipment, e.g. for marking-out work17%
F16MFrames, casings or beds of engines, machines or apparatus, not specific to engines, machines or apparatus provided for elsewhere17%
Y10TTechnical subjects covered by former us classification17%
PatentTitleYear
9,243,745'Magnetic slat device and kit containing the same'20164,787,237'Failsafe tool clamping system for press brake'19884,375,290'Sliding compression air seal for removable electronic units'19834,331,830'Housing for electrical components'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1983Patents assigned to WESTINGHOUSE ELECTRIC CORP (2)· patent assignee history
1982–1983Based in Columbia, MD, US· patent location history
1988Patents assigned to ACCURATE MANUFACTURING COMPANY (1)· patent assignee history
1988Based in Oak Lawn, IL, US· patent location history
2016Patents assigned to HUGHES JOHN WESLEY (1)· patent assignee history
2016Based in London, OH, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WESTINGHOUSE ELECTRIC CORP21982–1983
ACCURATE MANUFACTURING COMPANY11988
HUGHES JOHN WESLEYself12016
Locations
LocationPatentsSpan
Columbia, Maryland, US21982–1983
London, OH, US12016
Oak Lawn, Illinois, US11988