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Inventor

John N. McIntyre

Inventor
Spring, TX, US

Overview

3→
Patents
1985–1987
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 3 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification50%
F16KValves33%
E21BEarth or rock drilling17%
PatentTitleYear
4,650,151'Subsea gate valve actuator with external manual override and drift adjustment'19874,568,062'Fire-resistant gate valve'19864,510,960'Valve stem-to-bonnet backseat'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1987Patents assigned to FMC CORP (3)· patent assignee history
1985–1987Based in Spring, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FMC CORP31985–1987
Locations
LocationPatentsSpan
Spring, Texas, US31985–1987