Inventor

John C. Clark

Inventor

Oxford, OH, US

Overview

1976–2001

Patent span

Electricity

Primary field (CPC H)

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

G01Lprimary

G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure13%

H01RElectrically-conductive connections13%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%

A61MDevices for introducing media into, or onto, the body7%

B63BShips or other waterborne vessels7%

B66CCranes7%

F01KSteam engine plants7%

F16CShafts7%

G01NInvestigating or analysing materials by determining their chemical or physical properties7%

H01JElectric discharge tubes or discharge lamps7%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to ITE IMPERIAL CORP (2)· patent assignee history

1976–1978Based in Newport, GB· patent location history

1978Patents assigned to COAL INDUSTRY PATENTS LTD (1)· patent assignee history

1986–1987Patents assigned to GEN ELECTRIC (2)· patent assignee history

1986–1987Based in Oxford, OH, US· patent location history

1993Patents assigned to ABBOTT LAB (1)· patent assignee history

1993Based in Zion, IL, US· patent location history

2000Based in Mechanicsville, VA, US· patent location history

2001Patents assigned to IBM (1)· patent assignee history

2001Based in Vestal, NY, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations