COMBUSTION DEVICE AND BOILER
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
May 13, 2021
app pub date -
Jan 14, 2021
filing date -
Sep 11, 2018
priority date (Note) -
Published
status (Latency Note)
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Importance

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Non-US Coverage
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Abstract
A combustion device is installed in a furnace, is configured to inject and burn ammonia as a fuel, and includes an inner tube nozzle disposed in a center part of the combustion device when viewed in an injection direction of the fuel, and configured to inject the ammonia, and an outer tube nozzle disposed to surround the inner tube nozzle from outside in a radial direction when viewed in the injection direction of the fuel, and configured to inject the ammonia around the inner tube nozzle.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
IHI CORPORATION | 1-1 TOYOSU 3-CHOME KOTO-KU TOKYO 1358710 JAPAN |
International Classification(s)

- 2021 Application Filing Year
- F23J Class
- 50 Applications Filed
- 23 Patents Issued To-Date
- 46 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
ZHANG, Juwei | Tokyo, JP | 3 | 0 |
# of filed Patents : 3 Total Citations : 0 |
Cited Art Landscape
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Patent Citation Ranking
- 0 Citation Count
- F23J Class
- 0 % this patent is cited more than
- 4 Age
Forward Cite Landscape
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Nov 13, 2028 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 13, 2032 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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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