Inventor

Arthur H. T. Chin

Inventor
Houston, TX, US

Overview

9→
Patents
1976–1991
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 9 as inventor

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

F16Lprimary
F16LPipes56%
Y10TTechnical subjects covered by former us classification19%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material13%
E21BEarth or rock drilling6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1978Patents assigned to HYDROTECH INT INC (2)· patent assignee history
1976–1991Based in Houston, TX, US· patent location history
1982Patents assigned to HUGHES UNDERSEA COUPLING INC (1)· patent assignee history
1984Patents assigned to HUGHES TOOL CO (1)· patent assignee history
1989–1990Patents assigned to CAMERON IRON WORKS INC (3)· patent assignee history
1991Patents assigned to COOPER IND INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CAMERON IRON WORKS INC31989–1990
COOPER IND INC21991
HYDROTECH INT INC21976–1978
HUGHES TOOL CO11984
HUGHES UNDERSEA COUPLING INC11982
Locations
LocationPatentsSpan
Houston, Texas, US91976–1991