Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 137/333
Name: Fluid handling > Non-valving motion of the valve or valve seat > Rotary motion of a reciprocating valve > Manual rotating means
Description: Apparatus in which a manual actuator is provided for rotating the valve.

Patents under this class:

Patent Number Title Of Patent Date Issued
4589439 Fire apparatus valve May. 20, 1986
4292991 Erosion resistant valve Oct. 6, 1981

  Recently Added Patents
Salts and polymorphs of desazadesferrithiocin polyether analogues as metal chelation agents
System and method for discontinuous reception control start time
State control of remote hosts for management of distributed applications
Synthesized interoperable communications
Recording apparatus, recording method, reproducing apparatus, reproducing method, program, and recording/producing apparatus
Techniques to manage communications resources for a multimedia conference event
Processor engine, integrated circuit and method therefor
  Randomly Featured Patents
Tire pressure gauge
Backup disk-tape integration method and system
Process for operating a methanol reforming apparatus
Handle for a beverage container
Job processing method, image forming system, image forming apparatus and storage medium
System and method for creating replacements for obsolete computer chips
Exhaust pipe and muffler for motorcycle that does not heat discolor
Radiation curable ink containing fluorescent nanoparticles
Plant stake with wires and pegs in vertically spaced holes
All-optical wavelength conversion system comprising an optical discriminator