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Inventor

James D. Burley

Inventor
Harris County, TX, US

Overview

2→
Patents
1980–1982
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 2 as inventor

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

E21Bprimary
E21BEarth or rock drilling50%
F16JPistons25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
PatentTitleYear
4,360,064'Circulating valve for wells'19824,204,690'Sealing retaining ring assembly'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1982Patents assigned to EXXON PRODUCTION RESEARCH CO (2)· patent assignee history
1980Based in Humble, TX, US· patent location history
1982Based in Harris County, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EXXON PRODUCTION RESEARCH CO21980–1982
Locations
LocationPatentsSpan
Harris County, Texas, US11982
Humble, Texas, US11980