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Inventor

James L. Carothers

Inventor
Ponca City, OK, US

Overview

7→
Patents
1979–2014
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 7 as inventor

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

E02Fprimary
E02FDredging40%
A01BSoil working in agriculture or forestry20%
E21BEarth or rock drilling20%
F16LPipes20%
PatentTitleYear
8,701,790'Vibratory plow assembly'20146,808,210'Drill pipe with upset ends having constant wall thickness and method for making same'20045,533,939'Digging chain'1996D0276799'Seismic exploration vehicle'1984D0276801'Seismic exploration vehicle'1984D0276800'Seismic exploration vehicle'19844,174,127'Multiport piggable fluid swivel'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979Patents assigned to CHICAGO BRIDGE & IRON CO (1)· patent assignee history
1979–1984Based in Ponca City, OK, US· patent location history
1984Patents assigned to MERTZ INC (3)· patent assignee history
1996–2014Patents assigned to CHARLES MACHINE WORKS (3)· patent assignee history
1996–2014Based in Perry, OK, US· patent location history
2014Patents assigned to CAROTHERS JAMES L (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHARLES MACHINE WORKS31996–2014
MERTZ INC31984
CAROTHERS JAMES Lself12014
CHICAGO BRIDGE & IRON CO11979
Locations
LocationPatentsSpan
Ponca City, OK, US41979–1984
Perry, OK, US31996–2014