Dripper and drip irrigation tube
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 20, 2018
Issued Date -
N/A
app pub date -
Aug 25, 2014
filing date -
Aug 26, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A dripper (120) comprises a dripper main body (121) and a movable unit (122). The moveable unit (122) forms the ceiling of a pressure reducing flow path (125) that reduces the pressure of a liquid flowing in the dripper (120), and the moveable unit advances and retracts in accordance with the pressure of the fluid in a tube (110). If the pressure is high, the height of the pressure reducing flow path (125) becomes lower and the flow rate of the liquid in the dripper (120) is thereby restricted. As a result, the flow rate of liquid discharged from a through hole (130) in the tube (110) can be maintained at a substantially constant rate regardless of the aforementioned pressure.
First Claim
Other Claims data not available
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 7 Citation Count
- A01G Class
- 50.84 % this patent is cited more than
- 7 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 | Aug 20, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Aug 20, 2029 |
