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Inventor

Hernani G. Deocampo

Inventor
Spring, TX, US

Overview

4→
Patents
1994–2015
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 4 as inventor

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

E21Bprimary
E21BEarth or rock drilling60%
F16KValves20%
Y10TTechnical subjects covered by former us classification20%
PatentTitleYear
9,121,245'Spherical-annular blowout preventer having a plurality of pistons'20159,091,351'Gate valve'20156,695,059'Mechanical anti-rotational feature for subsea wellhead housing'20045,370,362'Gate valve'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2004Patents assigned to VETCO GRAY INC ABB (2)· patent assignee history
1994–2004Based in Houston, TX, US· patent location history
2015Patents assigned to ZP INTERESTS LLC (2)· patent assignee history
2015Based in Spring, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
VETCO GRAY INC ABB21994–2004
ZP INTERESTS LLC22015
Locations
LocationPatentsSpan
Spring, Texas, US22015
Houston, Texas, US21994–2004