Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 137/38
Name: Fluid handling > Control by change of position or inertia of system
Description: Apparatus wherein a flow of fluid is controlled in response to (1) the shifting of the position of the system as a whole relative to gravitational field or to a body of liquid in which the system exists or (2) the inertia or dislocation of the system as a whole.

Sub-classes under this class:

Class Number Class Name Patents
137/45 By pendulum or swinging member 66
137/44 By shifting of liquid level 22
137/40 Position relative body of water (e.g., marine governors) 1
137/43 Vent opening or closing on tipping container 359
137/39 With second control 142

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8701703 Method and apparatus for controlling gas flow via a gas shut-off valve assembly Apr. 22, 2014
8602165 Continuous supply fluid reservoir Dec. 10, 2013
8534319 Serial siphon valves for fluidic or microfluidic devices Sep. 17, 2013
8485210 Water scavenging system Jul. 16, 2013
8467907 Automated valve with self-contained valve actuator system Jun. 18, 2013
8372357 Liquid plugs Feb. 12, 2013
8237443 Position sensor for a downhole completion device Aug. 7, 2012
8181746 Continuous supply fluid reservoir May. 22, 2012
8096314 Fluidic device, fluidic module, and method of handling a liquid Jan. 17, 2012
8092191 Control system for reciprocating device Jan. 10, 2012
8082940 Water reservoir for vehicle having drain valve operated by traveling wind Dec. 27, 2011
8051869 Gravity operated valve Nov. 8, 2011
7950920 Combustion device May. 31, 2011
7918239 Shock actuated responsive mechanism for vertical and horizontal valve assemblies Apr. 5, 2011
7819138 Microfluidic device using centrifugal force and pump to control fluid movement, microfluidic system comprising the same and method of manufacturing the microfluidic device Oct. 26, 2010
7802627 Remotely operated selective fracing system and method Sep. 28, 2010
7650901 Ball seat leveler Jan. 26, 2010
7546679 High speed valve assembly Jun. 16, 2009
7530430 Pressure lubrication for inverted flight May. 12, 2009
7506724 Active gas turbine lubrication system flow control Mar. 24, 2009
7337798 Gas supply apparatus Mar. 4, 2008
7334596 Pendulous control valve system Feb. 26, 2008
7246633 Shock absorber Jul. 24, 2007
7231933 Fuel storage apparatus for vehicle Jun. 19, 2007
7189033 Apparatus and methods for thrust sensing valves Mar. 13, 2007
7163026 Valve unit and fluid control chip Jan. 16, 2007
7128539 Method for improved cleaning of a pumping system Oct. 31, 2006
7073525 Multi-tank connecting device for liquefied petroleum injection vehicle Jul. 11, 2006
7004360 Easy pour tea kettle Feb. 28, 2006
6971398 Hydrodynamic-force-responsive baffle for liquid treatment basin Dec. 6, 2005
6968852 Shock actuated responsive mechanism with improved dual safety means to prevent over-rotation of the valve reset mechanism and to provide easy access to the reset knob Nov. 29, 2005
6938637 Emergency gas and electricity shutoff apparatus and control system Sep. 6, 2005
6926025 Shock actuated responsive mechanism with improved leveraged valve closing activation means for vertical fluid valve assemblies Aug. 9, 2005
6860285 Liquid fuel trap Mar. 1, 2005
6814100 Shock actuated responsive mechanism with means to enable a remote detecting means to determine that the valve assembly has been closed Nov. 9, 2004
6809651 Protective beacon Oct. 26, 2004
6789560 Shock actuated responsive mechanism with improved safety means to prevent over-rotation of the valve reset mechanism Sep. 14, 2004
6619285 Ambient air breathing device Sep. 16, 2003
RE38220 Earthquake actuated automatic gas shutoff valve Aug. 19, 2003
6601601 Adjustable vibration valve Aug. 5, 2003
6527004 Shock actuated responsive mechanism for vertical fluid valve assemblies Mar. 4, 2003
6502599 Shock actuated responsive mechanism for vertical fluid valve assemblies Jan. 7, 2003
6470903 Enhanced and remote meter reading with vibration actuated valve Oct. 29, 2002
6443913 Apparatus and method for relieving motion sickness Sep. 3, 2002
6394122 Shock actuated sensor for fluid valve May. 28, 2002
6354320 Acceleration sensitive shut off valve for firefighting equipment Mar. 12, 2002
6321769 Injection pressure sensor sealing mechanism Nov. 27, 2001
6311714 Seismic detecting shut-down valve device Nov. 6, 2001
6289916 Ventilating device for motor vehicle fuel tank Sep. 18, 2001
6283731 Vehicle fuel supplying apparatus Sep. 4, 2001

1 2 3 4 5

  Recently Added Patents
Network based technique for obtaining operator identifier for mobile devices
Electric power steering apparatus
Multicolored light converting LED with minimal absorption
LCD television set capable of external connection with application processor
Expressive grouping for language integrated queries
Cosmetic composition based on a supramolecular polymer and a hyperbranched functional polymer
Electrode and method for manufacturing the same
  Randomly Featured Patents
Container for holding spools of thin line
Sydnone based polyimide
Controlled method of operating a programmable controller with a multi-level stage configuration
Hair conditioning composition comprising carboxylic acid/carboxylate copolymer and moisturizing agent
Land grid array (LGA) interposer groups of different heights utilizing metal-on-elastomer hemi-torus and other multiple points of contact geometries
Method and apparatus for inducing controlled vortices to reduce afterbody drag
Current controlled variable inductor
EEPROM flash memory cell, memory device, and process for formation thereof
Fast program to program verify method
Vessel and method for treating contaminated water