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Inventor

Arnold R. Marsden, Jr.

Inventor
Houston, TX, US

Overview

5→
Patents
1992–1997
Patent span
Performing operations
Primary field (CPC B)

Patents· 5 as inventor

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

B09Cprimary
B09CReclamation of contaminated soil45%
E21BEarth or rock drilling18%
H05BElectric heating18%
E02DFoundations9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
PatentTitleYear
5,660,500'Enhanced deep soil vapor extraction process and apparatus utilizing sheet metal pilings'19975,271,693'Enhanced deep soil vapor extraction process and apparatus for removing contaminants trapped in or below the water table'19935,233,164'Modified heater for in situ soil heating'19935,221,827'Heater blanket for in-situ soil heating'19935,114,497'Soil decontamination'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1997Patents assigned to SHELL OIL CO (5)· patent assignee history
1992–1993Based in Houston, TX, US· patent location history
1993–1997Based in Mount Vernon, WA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHELL OIL CO51992–1997
Locations
LocationPatentsSpan
Houston, Texas, US31992–1993
Mount Vernon, Washington, US21993–1997