Spray heads for use with desuperheaters and desuperheaters including such spray heads
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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May 31, 2022
Grant Date -
May 14, 2020
app pub date -
Nov 9, 2018
filing date -
Nov 9, 2018
priority date (Note) -
In Force
status (Latency Note)
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Importance

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Non-US Coverage
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Abstract
Spray heads for use with desuperheaters and desuperheaters including such spray heads. One example of a spray head includes a main body having an exterior surface and defining a central passage, the main body adapted for connection to a source of fluid, at least one entrance port formed in the main body along the central passage, and at least one spray nozzle arranged adjacent the exterior surface of the main body. The spray head also includes a plurality of flow passages, each of the plurality of flow passages providing fluid communication between the entrance port and an exit opening of the spray nozzle. A first one of the plurality of flow passages follows a first non-linear path and has a first distance, and a second one of the plurality of flow passages follows a second non-linear path and has a second distance different from the first distance.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
FISHER CONTROLS INTERNATIONAL LLC | 205 S CENTER STREET MARSHALLTOWN IA 50158 |
International Classification(s)

- 2018 Application Filing Year
- F22G Class
- 20 Applications Filed
- 13 Patents Issued To-Date
- 65 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Duda, Thomas | Baar, CH | 18 | 65 |
# of filed Patents : 18 Total Citations : 65 | |||
Huber, Marc | Windisch, CH | 10 | 453 |
# of filed Patents : 10 Total Citations : 453 | |||
Löffel, Kaspar | Windisch, CH | 2 | 15 |
# of filed Patents : 2 Total Citations : 15 |
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Patent Citation Ranking
- 0 Citation Count
- F22G Class
- 0 % this patent is cited more than
- 3 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Nov 30, 2025 |
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Nov 30, 2029 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 30, 2033 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 3.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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 |
Full Text

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May 14, 2020 | P | Published | |
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Nov 09, 2018 | F | Filing | |
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