Self-cleaning roller screen
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jul 26, 2022
Grant Date -
Sep 9, 2021
app pub date -
Aug 18, 2016
filing date -
Aug 18, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
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US Family Size
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Non-US Coverage
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Abstract
A method for cleaning of a roller screen transporting and screening particles by means of at least three rotating rollers. The rollers are installed in succession at given clearances and arranged transversally in relation to the transport direction of the particles to screen a desired range of particle sizes. At least one roller changes its circumferential velocity and/or its rotational direction over time at defined time intervals for defined time periods such that for this defined time period for at least one pair of neighbored rollers one roller has a higher circumferential velocity than the other and/or both rollers roll in opposite rotational directions.
First Claim
Other Claims data not available
Family
| Country | kind | publication No. | Filing Date |
|---|---|---|---|
| CN | A | CN109689232 | Aug 18, 2016 |
| BR | B1 | BR112019002954 | Aug 18, 2016 |
| EA | B1 | EA035536 | Aug 18, 2016 |
| CA | C | CA3033894 | Aug 18, 2016 |
| EP | B1 | EP3500376 | Aug 18, 2016 |
| WO | A1 | WO2018033213 | Aug 18, 2016 |
| UA | C2 | UA121361 | Aug 18, 2016 |
| MX | B | MX386909 | Feb 08, 2019 |
International Classification(s)
- 2016 Application Filing Year
- B08B Class
- 1197 Applications Filed
- 734 Patents Issued To-Date
- 61.32 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- B08B Class
- 0 % this patent is cited more than
- 3 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 | Jan 26, 2026 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jan 26, 2030 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 26, 2034 |
