Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 137/388
Name: Fluid handling > Liquid level responsive or maintaining systems > Liquid excluding devices for gas inlet or outlets
Description: Apparatus wherein a liquid level responsive device is provided to exclude an external liquid from a gas inlet or outlet such as a shipboard ventilator.










Patents under this class:

Patent Number Title Of Patent Date Issued
8057665 Cold water tank and water treatment apparatus having the same Nov. 15, 2011
7866334 Sewer pipe gas exhaust filter apparatus Jan. 11, 2011
7309470 Methods and apparatus for improved fluid control utilizing a U-valve employing a bidirectional check valve Dec. 18, 2007
6907898 Fluid shutoff apparatus Jun. 21, 2005
6848465 Dual-action vent check valve Feb. 1, 2005
6846461 Methods and apparatus for improved fluid control utilizing a U-valve employing a flow-interruption device Jan. 25, 2005
6254835 Methods and apparatus for improved fluid control utilizing a u-valve employing a bidirectional check valve Jul. 3, 2001
6213146 Valve assembly for preventing liquid ingestion and methods Apr. 10, 2001
6209559 Valve assembly for preventing liquid ingestion and methods Apr. 3, 2001
6009898 Valve assembly for preventing liquid ingestion and methods Jan. 4, 2000
5711339 Fuel outflow preventing valve device Jan. 27, 1998
5613513 Liquid flow control device Mar. 25, 1997
4059127 Self-cleaning non-return drainage valve Nov. 22, 1977











 
 
  Recently Added Patents
Stereoscopic editing for video production, post-production and display adaptation
Canine iPS cells and method of producing same
Image forming apparatus and system connectable with an authorization apparatus via a communications network, the image forming apparatus comprising an apparatus control section, an initial inq
Method for forming a semiconductor device using selective epitaxy of group III-nitride
Amide derivatives, process for preparation thereof and use thereof as insecticide
Method to quantify siRNAs, miRNAs and polymorphic miRNAs
Cytokine biomarkers as predictive biomarkers of clinical response for Glatiramer acetate
  Randomly Featured Patents
Tote pan and warehouse rack structure therefor
Powered plastic pipe cutter
Phosphate-free spray cleaner for metals
Black ink for ink-jet recording
Passive electromagnetic polarization shifter with dielectric slots
Modular truss system with a nesting storage configuration
Front-end piece for a rectifier module for power supplies
DRAM with word line compensation
Reflective photomask and method of fabricating the same
Positive drive system