BOILER
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
Nov 27, 2014
app pub date -
Feb 27, 2012
filing date -
Dec 22, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Importance

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Abstract
The boiler is provided with: a boiler body in which the water level inside water pipes when combustion is stopped is lower than the upper ends of the water pipes; external water level detection means which communicates with upper and lower headers and detects a boiler body external water level; control means which controls the water supply means so as to lower the water level inside the boiler body when the water level detected by the external water level detection means reaches a first set water level; and header water level detection means which detects a water level existing inside the upper header by boiler water being pushed up by air bubbles. The control means controls the water supply means so as to lower the water level inside the boiler body when the water level detected by the header water level detection means reaches a second set water level.
First Claim
all claims..Other Claims data not available
Family
Country | kind | publication No. | Filing Date | Type | Sub-Type |
---|---|---|---|---|---|
JP | B2 | JP5534243 | Dec 22, 2011 | Patent | Grant |
Type : Patent Sub-Type : Grant | |||||
PUBLISHED GRANTED PATENT (SECOND LEVEL) | BOILER | Jun 25, 2014 | |||
WO | A1 | WO2013094228 | Feb 27, 2012 | Patent | Application |
Type : Patent Sub-Type : Application | |||||
INTERNATIONAL APPLICATION PUBLISHED WITH INTERNATIONAL SEARCH REPORT | ボイラ | Jun 27, 2013 | |||
CN | B | CN103842722 | Feb 27, 2012 | Patent | Grant |
Type : Patent Sub-Type : Grant | |||||
GRANTED PATENT FOR INVENTION | Boiler | Nov 25, 2015 | |||
CA | C | CA2859621 | Feb 27, 2012 | Patent | Grant |
Type : Patent Sub-Type : Grant | |||||
PATENT (SECOND LEVEL) | BOILER | Jun 23, 2015 |
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
MIURA CO LTD | JAPAN EHIME PREFECTURE EHIME |
International Classification(s)

- 2012 Application Filing Year
- F22D Class
- 28 Applications Filed
- 23 Patents Issued To-Date
- 82.15 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Go, Tsunehisa | Matsuyama-shi, JP | 2 | 0 |
# of filed Patents : 2 Total Citations : 0 | |||
Masuda, Koichi | Matsuyama-shi, JP | 109 | 905 |
# of filed Patents : 109 Total Citations : 905 | |||
Morimatsu, Takashi | Matsuyama-shi, JP | 4 | 12 |
# of filed Patents : 4 Total Citations : 12 | |||
Shigeyasu, Masaharu | Matsuyama-shi, JP | 2 | 0 |
# of filed Patents : 2 Total Citations : 0 | |||
Tanaka, Takanori | Matsuyama-shi, JP | 95 | 342 |
# of filed Patents : 95 Total Citations : 342 |
Cited Art Landscape
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Patent Citation Ranking
- 0 Citation Count
- F22D Class
- 0 % this patent is cited more than
- 11 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | May 27, 2026 |
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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