REDUCED WEIGHT RIGID HVAC FAN CONSTRUCTION
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 -
Sep 24, 2015
app pub date -
Mar 20, 2014
filing date -
Mar 20, 2014
priority date (Note) -
Published
status (Latency Note)
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Importance

US Family Size
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Non-US Coverage
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Abstract
A fan assembly and associated methods are shown. Examples shown include components such as box section rails, truss structures, formed features and thinner gauge material that used in prior configurations. These and other features shown provide a lighter and/or stiffer fan assembly.
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 | |
---|---|---|
TWIN CITY FAN COMPANIES LTD | 5959 TRENTON LANE NORTH PLYMOUTH MN 55442-3238 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Robinson, Jeffrey William | West Chester, US | 5 | 22 |
# of filed Patents : 5 Total Citations : 22 | |||
Schulz, Daniel Richard | Saint Michael, US | 3 | 17 |
# of filed Patents : 3 Total Citations : 17 |
Cited Art Landscape
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Patent Citation Ranking
- 11 Citation Count
- F04D Class
- 88.39 % this patent is cited more than
- 10 Age
Forward Cite Landscape
- No Forward Cites to Display

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11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Mar 24, 2027 |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
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