Swirling flow generation device and deposition device
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United States of America Patent
Stats
-
Aug 17, 2021
Grant Date -
Jul 2, 2020
app pub date -
Dec 26, 2019
filing date -
Dec 28, 2018
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A swirling flow generation device includes a first pipe having a first pipe axis and through which gas passes, a second pipe having a second pipe axis in a direction different from the first pipe axis and communicates with downstream of the first pipe, and an airflow changing unit provided in the first pipe and having an opening eccentric from the first pipe axis. A swirling flow is formed in the second pipe as the center of the airflow passed through the opening flows into the second pipe at a position that is eccentric from the second pipe axis.
First Claim
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International Classification(s)
- 2019 Application Filing Year
- D21B Class
- 51 Applications Filed
- 35 Patents Issued To-Date
- 68.63 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- D21B Class
- 0 % this patent is cited more than
- 4 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Feb 17, 2025 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Feb 17, 2029 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Feb 17, 2033 |
