Inventor

Douglas M. Carlson

Inventor

Cedar Crest, NM, US

Overview

1977–2021

Patent span

Electricity

Primary field (CPC H)

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

H10Wprimary

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1015%

C23CCoating metallic material10%

B23KSoldering or unsoldering5%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form5%

B62HCycle stands5%

B62JCycle saddles or seats5%

B62KCycles5%

F01DNon-positive displacement machines or engines, e.g. steam turbines5%

F16MFrames, casings or beds of engines, machines or apparatus, not specific to engines, machines or apparatus provided for elsewhere5%

F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact5%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1977–1984Patents assigned to CONTROL DATA CORP (2)· patent assignee history

1977–1984Based in Anoka, MN, US· patent location history

2000Patents assigned to CRAY RESEARCH INC (1)· patent assignee history

2000–2001Based in Eau Claire, WI, US· patent location history

2002–2004Patents assigned to GEN ELECTRIC (2)· patent assignee history

2002–2004Based in Cedar Crest, NM, US· patent location history

2021Patents assigned to KONNECTRONIX INC (1)· patent assignee history

2021Patents assigned to PRODUCT DEVELOPMENT TECH LLC (1)· patent assignee history

2021Based in Lake Zurich, IL, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CONTROL DATA CORP	2	1977–1984
GEN ELECTRIC	2	2002–2004
CRAY RESEARCH INC	1	2000
KONNECTRONIX INC	1	2021
PRODUCT DEVELOPMENT TECH LLC	1	2021

Locations