Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 137/246.16
Name: Fluid handling > With cleaner, lubrication added to fluid or liquid sealing at valve interface > Liquid supplied at valve interface > Screw feed > With check valve
Description: Valve having check valve means in the lubrication or sealing system.










Sub-classes under this class:

Class Number Class Name Patents
137/246.17 Excess relief 0
137/246.18 Jacking 0


Patents under this class:

Patent Number Title Of Patent Date Issued
8667768 Evacuatable container Mar. 11, 2014
8112971 Valve for sealing an evacuation port of a container Feb. 14, 2012
6488265 Ball valve assembly Dec. 3, 2002
4575101 Device for safe on-stream addition of valve packing Mar. 11, 1986
4318422 Butterfly valve Mar. 9, 1982











 
 
  Recently Added Patents
Changing sound alerts during a messaging session
Transmission channel for ultrasound applications
Semiconductor device
Instance management of code in a database
CMOS image sensor
Hierarchical binding and lookup of addresses in inter-process communications systems
System and method for employing signoff-quality timing analysis information concurrently in multiple scenarios to reduce dynamic power in an electronic circuit and an apparatus incorporating t
  Randomly Featured Patents
Ferrite antenna
Control method for redundant use in the event of a fault in a polyphase converter with distributed energy stores
Mast base, especially for a temporarily erected mast
Machine for the electrophoretic re-painting or re-varnishing of thin metal objects
Method for frequency division duplex communications
Method and system for interactively providing product related information on demand and providing personalized transactional benefits at a point of purchase
Method and system for determining kidney failure
Serving set
Adaptive carrier sensing and power control
Printed circuit board having an improved land structure