HOT WATER SUPPLY AND HEATING SYSTEM
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Feb 18, 2016
app pub date -
Aug 18, 2014
filing date -
Aug 18, 2014
priority date (Note) -
Published
status (Latency Note)
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Importance

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Abstract
A hot water supply and heating system 1a includes a heating flow rate changing valve 44 that changes the flow rate of hot water flowing through a heating pipe 46 and a priority controller 53a that carries out hot water supply priority control whereby to reduce the flow rate of the hot water flowing through the heating pipe 46 by the heating flow rate changing valve 44 in the case where the total of the amount of heat consumed in a heating operation and the amount of heat consumed in a hot water supply operation is equal to or more than a maximum amount of heat that can be applied by the heat source machine 10 during a simultaneous operation of the heating operation and the hot water supply operation.
First Claim
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
RINNAI CORPORATION | 2-26 FUKUZUMI-CHO NAKAGAWA-KU NAGOYA-SHI AICHI 454-0802 |
International Classification(s)

- 2014 Application Filing Year
- F24D Class
- 198 Applications Filed
- 159 Patents Issued To-Date
- 80.31 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Niwa, Yasuo | Aichi, JP | 9 | 42 |
# of filed Patents : 9 Total Citations : 42 | |||
Shimada, Shigeki | Aichi, JP | 20 | 145 |
# of filed Patents : 20 Total Citations : 145 |
Cited Art Landscape
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Patent Citation Ranking
- 11 Citation Count
- F24D Class
- 24 % this patent is cited more than
- 9 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Aug 18, 2027 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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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