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Inventor

Wesley D. Hartwigsen

Inventor
Gilette, WY, US

Overview

2→
Patents
1988–1990
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B08Bprimary
B08BCleaning in general50%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers50%
PatentTitleYear
4,942,982'Silo cleaning apparatus'19904,764,221'Silo cleaning process'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988Patents assigned to SHELL MINING COMPANY (1)· patent assignee history
1988Based in Gillette, WY, US· patent location history
1990Patents assigned to BECKHAM JEFFREY C (1)· patent assignee history
1990Patents assigned to HARTWIGSEN WESLEY D (1)· patent assignee history
1990Patents assigned to JOHNSON ALAN D (1)· patent assignee history
1990Patents assigned to WHITE KENNETH L (1)· patent assignee history
1990Based in Gilette, WY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BECKHAM JEFFREY C11990
HARTWIGSEN WESLEY Dself11990
JOHNSON ALAN D11990
SHELL MINING COMPANY11988
WHITE KENNETH L11990
Locations
LocationPatentsSpan
Gilette, WY, US11990
Gillette, WY, US11988