Pumping cassette
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 1, 2020
Grant Date -
Jun 20, 2019
app pub date -
Sep 17, 2018
filing date -
Feb 27, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A pumping cassette including a housing having at least two inlet fluid lines and at least two outlet fluid lines. At least one balancing pod within the housing and in fluid connection with the fluid paths. The balancing pod balances the flow of a first fluid and the flow of a second fluid such that the volume of the first fluid equals the volume of the second fluid. The balancing pod also includes a membrane that forms two balancing chambers. Also included in the cassette is at least two reciprocating pressure displacement membrane pumps. The pumps are within the housing and they pump the fluid from a fluid inlet to a fluid outlet line and pump the second fluid from a fluid inlet to a fluid outlet.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2018 Application Filing Year
- F04B Class
- 1144 Applications Filed
- 841 Patents Issued To-Date
- 73.52 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 33 Citation Count
- F04B Class
- 99.89 % this patent is cited more than
- 5 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 | Jun 1, 2028 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jun 1, 2032 |
