Bypass and demand pump and valve system for bypass and demand pump
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
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Mar 4, 2025
Grant Date -
Jan 2, 2025
app pub date -
Jun 28, 2024
filing date -
Jun 28, 2024
priority date (Note) -
In Force
status (Latency Note)
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Importance

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Abstract
A diaphragm pump such as a three-chamber diaphragm pump includes a head having an inlet port and an outlet port and defining an inlet side including inlet chambers; and an outlet side having a center outlet chamber. Each of the inlet chambers includes an associated inlet valve. A single shutoff valve controlling fluid flow to the center outlet chamber and a single bypass valve in fluid communication between the center outlet chamber and the inlet side. The single shutoff valve has a plunger with an oval cross-section extending into the center outlet chamber. The single shutoff valve and the single bypass valve have adjustable pressure set points that are adjustable independently of one another.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- DELAVAN AG PUMPS, INC.
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Beaudry, David | Minneapolis, US | 5 | 4 |
# of filed Patents : 5 Total Citations : 4 | |||
Cipala, Logan | Ellsworth, US | 3 | 1 |
# of filed Patents : 3 Total Citations : 1 | |||
Johnson, Matt | Champlin, US | 31 | 256 |
# of filed Patents : 31 Total Citations : 256 |
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- F16K Class
- 0 % this patent is cited more than
- < 1 Age
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Fee | Large entity fee | small entity fee | micro entity fee | due date |
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3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Sep 4, 2028 |
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