Multistage pump
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 2, 2024
Grant Date -
May 27, 2021
app pub date -
Feb 3, 2020
filing date -
Nov 27, 2019
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A multistage pump includes a pump casing, a shaft, a first impeller, a second impeller, and a pipe. The shaft is rotatably disposed within the pump casing and has a longitudinal axis. The first impeller is disposed within the casing at a first position along the shaft. The second impeller is disposed within the casing at a second position and along the shaft. The pipe is detachably attached to the pump casing, and has an inlet and an outlet, the inlet disposed at the discharge of the first impeller and the outlet disposed at an eye of the second impeller, such that discharge from the first impeller can be conveyed to the eye of the second impeller.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2020 Application Filing Year
- F04D Class
- 1360 Applications Filed
- 919 Patents Issued To-Date
- 67.58 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- F04D Class
- 0 % this patent is cited more than
- 1 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 2, 2028 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jan 2, 2032 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 2, 2036 |
