Inventor

David B. Olsen

Inventor

Lake Elmo, MN, US

Overview

1977–2018

Patent span

Performing operations

Primary field (CPC B)

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

F01Pprimary

F01PCooling of machines or engines in general13%

F28FDetails of heat-exchange and heat-transfer apparatus, of general application13%

H05HPlasma technique13%

B01DSeparation7%

B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material7%

B26DCutting7%

B41NPrinting plates or foils7%

E04DRoof coverings7%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices7%

G21KHandling of particles or ionising radiation not otherwise provided for7%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1977–1991Patents assigned to MINNESOTA MINING & MFG (3)· patent assignee history

1977–1991Based in Lake Elmo, MN, US· patent location history

1990–1994Patents assigned to TAPCO PRODUCTS CO (2)· patent assignee history

1990–1994Based in Dearborn, MI, US· patent location history

2017–2018Patents assigned to BOEING CO (2)· patent assignee history

2017Based in Layton, UT, US· patent location history

2018Based in Plain City, UT, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations