Inventor

Del Scot Christensen

Inventor
Friendswood, TX, US

Overview

1→
Patents
2009
Patent span
Chemistry
Primary field (CPC C)

Patents· 1 as inventor

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

B32Bprimary
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form14%
C10GCracking hydrocarbon oils14%
C21DModifying the physical structure of ferrous metals14%
C22CAlloys14%
E21BEarth or rock drilling14%
G05FSystems for regulating electric or magnetic variables14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009Patents assigned to SHELL OIL CO (1)· patent assignee history
2009Based in Friendswood, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHELL OIL CO12009
Locations
LocationPatentsSpan
Friendswood, Texas, US12009