Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 137/329.06
Name: Fluid handling > With repair, tapping, assembly, or disassembly means > With provision of alternate wear parts > Valve heads and/or seats > Successively used adjacent independent elements
Description: Devices in which are stored adjacently a plurality of separate elements forming duplicate surfaces successively used.










Patents under this class:

Patent Number Title Of Patent Date Issued
4880029 Drain valve Nov. 14, 1989
4848728 Coupling arrangement Jul. 18, 1989
4355784 Method and apparatus for controlling back pressure Oct. 26, 1982
4351355 Drain valve Sep. 28, 1982











 
 
  Recently Added Patents
Method for forming a semiconductor device using selective epitaxy of group III-nitride
Assisted hybrid mobile browser
Process for the production of an acylation catalyst
Reading apparatus and reading method
Apparatus for merging spatial audio streams
Method and structure for forming ETSOI capacitors, diodes, resistors and back gate contacts
Electric power supply system and electric power supply system for motor vehicle
  Randomly Featured Patents
Electric motor with hydrodynamic pressure and magnetic thrust bearings
Convertible sofa with multiple positions
Cutting insert
Method of making image reproducing material having scratch improvment
Method and system for closed loop combustion control of a lean-burn reciprocating engine using ionization detection
Information recording method apparatus and storage medium for recording information length as part of file entry information
Semiconductor device with buried bit lines and method for fabricating the same
Process for producing steel product and production facility therefor
Folding type portable wireless unit
Method for coating surfaces with finely particulate materials