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
Processes for producing polyunsaturated fatty acids in transgenic organisms
Combination therapy to enhance NK cell mediated cytotoxicity
Method of manufacturing touch panel
Data communication apparatus, method of controlling the same, program, and storage medium
Method and apparatus for verifiable generation of public keys
Error correct coding device, error correct coding method, and error correct coding program
Basketball
  Randomly Featured Patents
Method for producing .alpha.-form silicon nitride fine powders
Semiconductor device, method of manufacturing the same, circuit board, and method of manufacturing the same
Method of informing mobile user terminals camped on a cell of a base station that a service is unavailable, a base station, and a network
Header pipes for heat exchanger
Plastisol compositions that are essentially free of polyvinyl halides and phthalates
Cathodic protection system for a steel-reinforced concrete structure
Jewelry chain
Process and device for the filtration of liquids polluted by suspended solid bodies
Disc brake shim
Microphone with clip