Inventor

David G. Rowntree

Inventor

Ontario, CA

Overview

1994–1996

Patent span

Mechanical engineering

Primary field (CPC F)

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

F28Dprimary

F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact33%

F28FDetails of heat-exchange and heat-transfer apparatus, of general application33%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%

Y10TTechnical subjects covered by former us classification17%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1994–1996Patents assigned to LONG MFG LTD (2)· patent assignee history

1994Based in Brampton, CA· patent location history

1996Based in Ontario, CA· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
LONG MFG LTD	2	1994–1996

Locations

Location	Patents	Span
Ontario, CA	1	1996
Brampton, CA	1	1994