Inventor

Yoshikuni Oshima

Inventor

Hitachi, JP

Overview

1984

Patent span

Mechanical engineering

Primary field (CPC F)

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

F22Dprimary

F22DPreheating, or accumulating preheated, feed-water for steam generation20%

F28BSteam or vapour condensers20%

F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact20%

F28FDetails of heat-exchange and heat-transfer apparatus, of general application20%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1984Patents assigned to HITACHI LTD (1)· patent assignee history

1984Based in Hitachi, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	1	1984

Locations

Location	Patents	Span
Hitachi, JP	1	1984