Inventor

Roy James

Inventor
Katy, TX, US

Overview

8→
Patents
1988–2021
Patent span
Physics
Primary field (CPC G)

Patents· 8 as inventor

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

G01Vprimary
G01VGeophysics60%
E02BHydraulic engineering10%
G01NInvestigating or analysing materials by determining their chemical or physical properties10%
Y02ATechnologies for adaptation to climate change10%
Y10TTechnical subjects covered by former us classification10%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1999Patents assigned to INPUT OUTPUT INC (3)· patent assignee history
1988–1989Based in Houston, TX, US· patent location history
1991Patents assigned to JAMES ROY (1)· patent assignee history
1991Based in Smyrna, DE, US· patent location history
1999–2008Based in Katy, TX, US· patent location history
2007–2008Patents assigned to GEOSPACE ENGINEERING RESOURCES (2)· patent assignee history
2019Patents assigned to GEOSPACE TECH CORPORATION (1)· patent assignee history
2019Based in Cypress, TX, US· patent location history
2021Patents assigned to SMITHS DETECTION MONTREAL INC (1)· patent assignee history
2021Based in Newmarket, CA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
INPUT OUTPUT INC31988–1999
GEOSPACE ENGINEERING RESOURCES22007–2008
GEOSPACE TECH CORPORATION12019
JAMES ROYself11991
SMITHS DETECTION MONTREAL INC12021
Locations
LocationPatentsSpan
Katy, Texas, US31999–2008
Houston, Texas, US21988–1989
Newmarket, CA12021
Cypress, Texas, US12019
Smyrna, Delaware, US11991