U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Spray nozzle arrangement

Patent 6193166 Issued on February 27, 2001. Estimated Expiration Date: Icon_subject August 11, 2019. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3191871

3715080

3782634

Modular low pressure strip spraying apparatus and system
Patent #: 4518118
Issued on: 05/21/1985
Inventor: Takata

Injection mixer
Patent #: 4967957
Issued on: 11/06/1990
Inventor: Bachman

Field crop sprayer
Patent #: 5184775
Issued on: 02/09/1993
Inventor: Kerber

Spray control system for multiple segment boom sprayers
Patent #: 5337959
Issued on: 08/16/1994
Inventor: Boyd

Agricultural application systems with improved spray control Patent #: 5971294
Issued on: 10/26/1999
Inventor: Thompson, et al.

Inventors

Assignee

Application

No. 372092 filed on 08/11/1999

US Classes:

239/76, WITH PRESSURE OR FLOW EQUALIZATION MEANS TO PLURAL DISTRIBUTORS239/163, Plural diverse bars or booms239/170, Having means to selectively control discharge paths239/556, Arranged in plural groups or rows239/574Serially arranged valves (e.g., trap or wet flow line)

Examiners

Primary: Kashnikow, Andres
Assistant: Bocanegra, Jorge

Attorney, Agent or Firm

Foreign Patent References

  • 1099902 SU 06/11/1984

International Classes

B05B 015/00
B05B 001/20
B05B 001/16
B05B 001/14
601

Foreign Application Priority Data

1997-02-28 GB

Abstract

An assembly 10 fed by a pressurised pipe 2 and comprising three differently rated spray nozzles 11, 12, 13 is mounted on a spray boom so that 11, 12 and 13 traverse the same area. The nozzles 11, 12, 13 are independently remotely pneumatically controlled to give an overall spray rate range of from 0.4 to 2.5 liter/min., useful in precision farming.

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