Inventor

Charles I. Davis

Inventor

Warrensville Heights, OH, US

Overview

1976–2021

Patent span

Performing operations

Primary field (CPC B)

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

H01Mprimary

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy14%

A41DOuterwear7%

A61BDiagnosis7%

A62BDevices, apparatus or methods for life-saving7%

B01DSeparation7%

B03CMagnetic or electrostatic separation of solid materials from solid materials or fluids7%

B29CShaping or joining of plastics7%

B63CLaunching, hauling-out, or dry-docking of vessels7%

D04HMaking textile fabrics, e.g. from fibres or filamentary material7%

H01GCapacitors7%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1976–1981Patents assigned to UNION CARBIDE CORP (2)· patent assignee history

1976–1981Based in Warrensville Heights, OH, US· patent location history

1980Patents assigned to MINNESOTA MINING & MFG (1)· patent assignee history

1980Based in Cottage Grove, MN, US· patent location history

1998Based in Woodbury, TN, US· patent location history

2012Patents assigned to DAVIS CHARLES IRWIN (1)· patent assignee history

2012Patents assigned to OCEANEERING INT INC (1)· patent assignee history

2012Based in Houston, TX, US· patent location history

2021Patents assigned to COHEREX MEDICAL INC (1)· patent assignee history

2021Based in Holladay, UT, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations