Resources Contact Us Home
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
Systems and methods for facilitating communication with foundation fieldbus linking devices
RF power amplifier circuit with mismatch tolerance
Method for producing a flexible composite elastomeric polyurethane skin
Gas flow indicator
Reading apparatus and reading method
Transactional consistency scheme
Macrocyclic cysteine protease inhibitors and compositions thereof
  Randomly Featured Patents
Chemical sensors comprising aniline polysiloxanes as sensitive materials and use thereof for detecting of assaying nitro compounds
Two stage liquid ring pump
Solar radiation collector
Bicycle brake shoe
Door latch actuator
Lock assembly
Video endoscope with interchangeable endoscope heads
Metal silicide induced lateral excessive encroachment reduction by silicon <110> channel stuffing
Grating and cutting apparatus