Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 137/136
Name: Fluid handling > Siphons > Periodic or accumulation responsive discharge > Release of trapped air
Description: Apparatus in which the liquid accumulating in the siphon chamber traps air in the siphon element and means is provided to release such trapped air to initiate liquid flow through the siphon.










Sub-classes under this class:

Class Number Class Name Patents
137/137 Through float-operated vent 7
137/138 Through liquid trap seal 10


Patents under this class:

Patent Number Title Of Patent Date Issued
5921267 Water level control device Jul. 13, 1999
5113837 Air induction control device May. 19, 1992
5009261 Device for providing communication between water tanks of heat accumulation tank system Apr. 23, 1991
4887667 Device for providing communication between water tanks of heat accumulation tank system Dec. 19, 1989
4802897 Recovery of gases from non-viscous solvents Feb. 7, 1989
4619273 Device for diagnosing and monitoring urological diseases Oct. 28, 1986
4542762 Automatic liquid delivery apparatus Sep. 24, 1985
4526757 Pulsed flow vapor-liquid reactor Jul. 2, 1985











 
 
  Recently Added Patents
AIN buffer N-polar GaN HEMT profile
Engineered enzymes with methionine-gamma-lyase enzymes and pharmacological preparations thereof
Contact sensor, driver device, and care bed
Image scanner and image forming apparatus
Multi-channel memory system including error correction decoder architecture with efficient area utilization
Method and apparatus for managing network traffic
Antennas and their coupling characteristics for wireless power transfer via magnetic coupling
  Randomly Featured Patents
Cutting guide apparatus for guiding portable power cutting tools
Soft magnetic alloy and uses thereof
Skin-tightening device and method
Twisted nematic color liquid crystal display
Method for fabricating a high bias device compatible with a low bias device
Method of fabricating an electrostatic print head
Golf putting improvement and teaching apparatus and method
Optical videodisc read unit with tracking and focussing wobblers
Side element of a shoe upper
Optical time domain testing instrument