Inventor
Brian Ernest Duke
Inventor
Carlisle, CA
Overview
Patents· 6 as inventor
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 contact28%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application17%
Y10TTechnical subjects covered by former us classification17%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
B01DSeparation6%
F01MLubricating of machines or engines in general6%
F16KValves6%
PatentTitleYear
7,681,313'Heat exchanger plates and methods for manufacturing heat exchanger plates'20107,318,451'Flapper valves with spring tabs'20087,051,799'Self-enclosing heat exchanger with crimped turbulizer'20066,837,305'Heat exchanger plates and manufacturing method'20056,340,053'Self-enclosing heat exchanger with crimped turbulizer'20025,794,691'Plate heat exchanger with reinforced input/output manifolds'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2002Patents assigned to LONG MFG LTD (2)· patent assignee history
1998–2010Based in Carlisle, CA· patent location history
2005–2010Patents assigned to DANA CANADA CORP (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DANA CANADA CORP | 4 | 2005–2010 |
| LONG MFG LTD | 2 | 1998–2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Carlisle, CA | 6 | 1998–2010 |