Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 137/287
Name: Fluid handling > Hydrant type > Movable riser actuated valve > Reciprocating riser
Description: Apparatus in which reciprocating movement of the riser actuates the valve.

Sub-classes under this class:

Class Number Class Name Patents
137/288 Piston type valve 5

Patents under this class:

Patent Number Title Of Patent Date Issued
7234479 Sanitary yard hydrant Jun. 26, 2007
6899120 Yard hydrant May. 31, 2005
6047723 Positive displacement yard hydrant Apr. 11, 2000
5261441 Yard hydrant Nov. 16, 1993

  Recently Added Patents
Bioactive agent-loaded heart-targeting nanoparticles
Radio communication device and sequence length adjusting method
Process for manufacturing a self-sealing composition
Fibrous laminate interface for security coatings
Preparation process of transition metal boride and uses thereof
Pyridazine compounds for controlling invertebrate pests
Method and composition for attracting arthropods by volatizing an acid
  Randomly Featured Patents
Process for contacting hydrocarbon feed and catalyst
Ultrasound probe, particularly for diagnostic imaging
Nuclear reactor with low-level core coolant intake
Apparatus and methods for automatic shoe cover stripping
Broad-band amplifier circuit and high-speed communication element using the same
Telephone booth mounting arrangement
Dry-fire training pistol
Storing and retrieving the visual form of data
Multi-dimensional fractional number of bits modulation scheme
Optical multi-gate device and method