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Inventor

Dennis D. George

Inventor
Cypress, TX, US

Overview

2→
Patents
2000–2019
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 drilling67%
Y10TTechnical subjects covered by former us classification33%
PatentTitleYear
10,190,382BOP booster piston assembly and method20196,123,151'Valve for use in a subsea drilling riser'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000Patents assigned to STEWART & STEVENSON SERV INC (1)· patent assignee history
2000Based in Spring, TX, US· patent location history
2019Patents assigned to WORLDWIDE OILFIELD MACHINE INC (1)· patent assignee history
2019Based in Cypress, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
STEWART & STEVENSON SERV INC12000
WORLDWIDE OILFIELD MACHINE INC12019
Locations
LocationPatentsSpan
Cypress, Texas, US12019
Spring, Texas, US12000