Heat exchanger
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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May 5, 1981
Grant Date -
N/A
app pub date -
Dec 7, 1977
filing date -
Feb 19, 1977
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A heat exchanger of a ceramic body, or the like, having a plurality of elongate flow passages in parallel relationship with the placement of the passages staggered with respect to the opposite end cover walls of the ceramic body, transversely extending parts of both cover walls being absent to expose those staggered passages that pass closer to the respective cover wall, thereby to permit access for fluid media to the flow passages; particular characteristic features of the passages are disclosed.
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)
- KERNFORSCHUNGSANLAGE JUELICH GMBH;ROSENTHAL TECHNIK AG
International Classification(s)

- 1977 Application Filing Year
- F28D Class
- 33 Applications Filed
- 0 Patents Issued To-Date
- 0 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Forster, Siegfried | Alsdorf, DE | 30 | 497 |
# of filed Patents : 30 Total Citations : 497 | |||
Kleemann, Manfred | Quadrath-Ichnedorf, DE | 5 | 56 |
# of filed Patents : 5 Total Citations : 56 | |||
Krauth, Axel | Selb, DE | 10 | 180 |
# of filed Patents : 10 Total Citations : 180 | |||
Maier, Horst R | Selb, DE | 7 | 141 |
# of filed Patents : 7 Total Citations : 141 | |||
Pohlmann, Hans-Jurgen | Selb, DE | 4 | 35 |
# of filed Patents : 4 Total Citations : 35 |
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Patent Citation Ranking
- 17 Citation Count
- F28D Class
- 0 % this patent is cited more than
- 44 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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