Plate heat exchanger
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Sep 26, 2017
Grant Date -
Oct 23, 2014
app pub date -
Nov 7, 2012
filing date -
Nov 11, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A flow-path forming gasket is interposed between peripheries of each adjacent ones of stacked heat transfer plates; communicating-path forming gaskets are each installed, surrounding the passage holes in each adjacent ones of the heat transfer plates alternately; and thereby a first flow path adapted to pass a high-temperature fluid, a second flow path adapted to pass a low-temperature fluid, and communicating paths adapted to cause the fluids, respectively, to flow in and out of the first and second flow paths are formed alternately on opposite sides of each heat transfer plate. A drain hole is formed in each of the heat transfer plates to discharge fluid leaking from the first flow path, the second flow path, or the communicating path. The drain hole is surrounded by gaskets isolated from the first flow path, the second flow path, or the communicating path. A leakage flow path or a leakage collector is formed by the gaskets.
First Claim
all claims..Other Claims data not available
Family
Country | kind | publication No. | Filing Date | Type | Sub-Type |
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- HISAKA WORKS, LTD.;HITACHI-GE NUCLEAR ENERGY, LTD.
International Classification(s)

- 2012 Application Filing Year
- F28D Class
- 624 Applications Filed
- 460 Patents Issued To-Date
- 73.72 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Hiwatashi, Isamu | Higashi-Osaka, JP | 4 | 5 |
# of filed Patents : 4 Total Citations : 5 | |||
Ishihama, Kiyoshi | Hitachi, JP | 4 | 5 |
# of filed Patents : 4 Total Citations : 5 | |||
Iwaki, Mana | Higashi-Osaka, JP | 4 | 5 |
# of filed Patents : 4 Total Citations : 5 | |||
Kushima, Yukiko | Hitachi, JP | 2 | 2 |
# of filed Patents : 2 Total Citations : 2 | |||
Kusunoki, Kenji | Higashi-Osaka, JP | 25 | 126 |
# of filed Patents : 25 Total Citations : 126 | |||
Matsumura, Seiichi | Hitachi, JP | 11 | 45 |
# of filed Patents : 11 Total Citations : 45 |
Cited Art Landscape
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Patent Citation Ranking
- 0 Citation Count
- F28D Class
- 0 % this patent is cited more than
- 8 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Mar 26, 2025 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Mar 26, 2029 |
Fee | Large entity fee | small entity fee | micro entity fee |
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