Inventor

Chin Huan Cheng

Inventor

Midland, MI, US

Overview

1977–1988

Patent span

General tagging of new technological developments

Primary field (CPC Y)

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

Y10Sprimary

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests23%

F17CVessels for containing or storing compressed, liquefied or solidified gases15%

Y10TTechnical subjects covered by former us classification15%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form8%

E04BGeneral building constructions8%

F16LPipes8%

F25DRefrigerators8%

Y02ATechnologies for adaptation to climate change8%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications8%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1977–1988Patents assigned to DOW CHEMICAL CO (3)· patent assignee history

1977–1988Based in Midland, MI, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DOW CHEMICAL CO	3	1977–1988

Locations

Location	Patents	Span
Midland, MI, US	3	1977–1988