Liquid pump with a passive filtration system for dredging and water filtration
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Aug 27, 2019
Grant Date -
Jan 3, 2019
app pub date -
Jul 3, 2017
filing date -
Jul 3, 2017
priority date (Note) -
In Force
status (Latency Note)
Importance
Calculated Rating
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US Family Size
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Non-US Coverage
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Abstract
The liquid pump includes an inner and an outer tube. The inner tube can have a distal end that is positioned within an interior volume of the outer tube. A conical filter is on the distal end of the inner tube. A gas pump provides compressed air which is output through a plurality of inner tube holes on an inner surface of the inner tube on a distal portion of the inner tube and a plurality of annular space holes which are adjacent to an annular space between the inner tube and the outer tube.
First Claim
Other Claims data not available
Family
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- No Family data available.
International Classification(s)
- 2017 Application Filing Year
- F04F Class
- 96 Applications Filed
- 76 Patents Issued To-Date
- 79.17 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- F04F Class
- 56.25 % this patent is cited more than
- 6 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Feb 27, 2027 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Feb 27, 2031 |
