Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 137/291
Name: Fluid handling > Hydrant type > Valve actuator outside riser
Description: Apparatus in which the extended valve actuator does not extend longitudinally through the flow path or riser, but is located entirely outside the riser.

Sub-classes under this class:

Class Number Class Name Patents
137/292 Lever actuator 9
137/293 With casing, flush with ground or pavement surface 3

Patents under this class:

Patent Number Title Of Patent Date Issued
7216664 Device for blocking the water outlet of a light liquid separator May. 15, 2007
7093610 Outdoor hydrant-type water faucet Aug. 22, 2006
7021327 Hydrant valve access system Apr. 4, 2006
6105603 Clamping structure for an irrigation hydrant valve housing Aug. 22, 2000
5899222 Ball valve control system May. 4, 1999
4617956 Control means for ground hydrants Oct. 21, 1986
4561459 Remote fire hydrant actuator Dec. 31, 1985
4307746 Frost-proof fire hydrant Dec. 29, 1981

  Recently Added Patents
Active element machine computation
Cationic polymers for antimicrobial applications and delivery of bioactive materials
Method of driving stereoscopic display apparatus and stereoscopic display apparatus
Image forming apparatus to automatically select a communication condition
Image forming apparatus
Synergistic preparations based on mixtures of glycerol ether with aromatic alcohol for controlling mycobacteria
Scattering spectroscopy employing hotspot-aligned nanopores
  Randomly Featured Patents
Display device having scanning function with camera modules
Low effort vacuum valve assembly with rotary actuator
Motorcycle enclosure
CMOS peak detector and AC filter
Mass storage servo control system utilizing an analog signal leak detector
System and method for generating a trimmed parametric surface for display on a graphic display device
Remote control cover
Method of forming improved thick plated copper interconnect and associated auxiliary metal interconnect
Reference voltage circuit