Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 137/630.21
Name: Fluid handling > Systems > Sequentially progressive opening or closing of plural valves > Lost motion > Rotary concentric valves
Description: Systems in which the valves rotate about a common axis, one valve having relative motion with respect to and within the other, and having a lost motion connection between one of the valves and the actuator, or the other valve.










Patents under this class:

Patent Number Title Of Patent Date Issued
6192922 Airflow control valve for a clean room Feb. 27, 2001
4836163 Throttle-butterfly connector piece for an internal combustion engine Jun. 6, 1989
4662394 Tight shut-off valve with flow control element May. 5, 1987
4577662 Plug valve equipped with pressure equalization means Mar. 25, 1986











 
 
  Recently Added Patents
Reframing circuitry with virtual container drop and insert functionality to support circuit emulation protocols
Network decoys
Multiplanar image displays and media formatted to provide 3D imagery without 3D glasses
Terminal and method of controlling the same
Processing biomass
LCD television set capable of external connection with application processor
Anti-proliferative and anti-inflammatory agent combination for treatment of vascular disorders with an implantable medical device
  Randomly Featured Patents
Local power management unit and power management system employing the same
Lead frame short tester
Safety modular cab system for a large, off road-machine
Electrostimulation therapy device and method
Substituted amides, their preparation and use
Guitar stand
Swivel body for a well top drive system
Ophthalmic pharmaceutical composition
Temperature-stabilized amplifier circuit
Ligands useful in radiographic imaging