LexDanaLexDanabeta
Inventor

Wayne M. Sullivan

Inventor
Houston, TX, US

Overview

3→
Patents
1980–1986
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 3 as inventor

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

E21Bprimary
E21BEarth or rock drilling43%
Y10TTechnical subjects covered by former us classification43%
F16KValves14%
PatentTitleYear
4,562,853'Downhole fire control'19864,390,064'Junk basket'19834,213,508'Downhole fire control'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1986Patents assigned to SMITH INTERNATIONAL (2)· patent assignee history
1980–1986Based in Houston, TX, US· patent location history
1983Patents assigned to ENEN MACHINE TOOL & EQUIPMENT (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SMITH INTERNATIONAL21980–1986
ENEN MACHINE TOOL & EQUIPMENT11983
Locations
LocationPatentsSpan
Houston, Texas, US31980–1986