Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 137/315.42
Name: Fluid handling > With repair, tapping, assembly, or disassembly means > Tool for applying or removing valve or valve member > Including sealing feature
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
7347218 Roof cap removal tool Mar. 25, 2008
6983759 Valve and method for repairing a valve under pressure Jan. 10, 2006
6851446 Adaptor especially for use in connection with swimming pool return lines Feb. 8, 2005
5893686 Pipe tapping drill attachment Apr. 13, 1999
5511578 Tool for installing a stopper in a gas conduit wall Apr. 30, 1996
5490537 Prosthesis air valve assembly and tool therefor Feb. 13, 1996
5464036 Orifice fitting with venting passage and injection seal Nov. 7, 1995
4901752 Apparatus for maintenance of ball valve Feb. 20, 1990
4883085 Method of installing a stopper in a fitting and apparatus therefor Nov. 28, 1989
4507841 Removal and reinstallation of bottom entering agitator seals Apr. 2, 1985
4239055 Pressure plug Dec. 16, 1980











 
 
  Recently Added Patents
Memory device program window adjustment
Picture information coding device and coding method
Combination of a microorganism and a phytosphingosine derivative, composition, methods of use
Image generation device with optimized dose control
Chromene compound
System and method for receiving MBMS broadcasting service
Vibration disturbance estimation and control
  Randomly Featured Patents
Roof to post adjustable hold down device
Alpine ski boot
Swing door lock for refrigerated cabinet
Dismount harmonic acceleration matched filtering for enhanced detection and discrimination
Optimum baud rate transmission system
High temperature fuel cell electrolyte
Sharpening device
Process for forming A-axis oriented superconducting junction
Eyeglass frame member
Process for producing olefins from natural gas