Heating apparatus with fan
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Sep 13, 2016
Grant Date -
Nov 28, 2013
app pub date -
Nov 15, 2012
filing date -
Jun 9, 2010
priority date (Note) -
In Force
status (Latency Note)
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Importance

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Non-US Coverage
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Forward Citations
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Abstract
A heating apparatus can have a sealed combustion chamber and a burner. The heating apparatus can have an air shutter that controls the amount of air that mixes with fuel directed toward the burner. The air shutter can be controlled by rotating a shaft that connects to the air shutter. The heating apparatus can also have a system of channels along its front face which direct air along the front face.
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 | |
---|---|---|
DENG DAVID | 23622 RIDGELINE ROAD DIAMOND BAR CA 91765 UNITED STATES OF AMERICA |
International Classification(s)

- 2012 Application Filing Year
- F23L Class
- 73 Applications Filed
- 55 Patents Issued To-Date
- 75.35 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Deng, David | Diamond Bar, US | 105 | 2440 |
# of filed Patents : 105 Total Citations : 2440 |
Cited Art Landscape
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Patent Citation Ranking
- 7 Citation Count
- F23L Class
- 44.44 % this patent is cited more than
- 9 Age
Forward Cite Landscape
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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 | Mar 13, 2028 |
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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