Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 137/105
Name: Fluid handling > Self-proportioning or correlating systems > Supply and exhaust type > Vacuum or suction pulsator type (e.g., milking machine) > With pulsation responsive pilot valve
Description: Apparatus wherein the flow controlling valve is moved by a fluid servo under control of a second valve which is itself fluid operated under control of the first valve, there being no mechanical linkage between the two valves.










Patents under this class:

Patent Number Title Of Patent Date Issued
7139219 Hydraulic impulse generator and frequency sweep mechanism for borehole applications Nov. 21, 2006
6161580 Pulsator Dec. 19, 2000











 
 
  Recently Added Patents
Dehumidifier
System and method for displaying relationships between electronically stored information to provide classification suggestions via inclusion
Automated user interface adjustment
Packet communication system and packet communication method, and node and user device
Navigation system and navigation apparatus
Image playback device and method and electronic camera with image playback function
LED-array package
  Randomly Featured Patents
Shifting device for rolling stock placed on a roller conveyor
Process for preparing silica organosols
Portable wire dispensing reel for barbed wire
Vandal resistant bollard light
Roll stand provided with a displacement device
Use of mullerian inhibiting substance as a contraceptive agent
Polymeric structured gels
Interference preventing gear in communication equipment and electric apparatus
Concentric strain relief mechanism for variable diameter cables
Intake system for internal combustion engines