Resources Contact Us Home
Browse by Category: Main > Construction
Class Information
Number: 277/455
Name: Seal for a joint or juncture > Seal between relatively movable parts (i.e., dynamic seal) > Piston ring or piston ring expander or seat therefor > Particular piston seat > Arcuate wall
Description: Particular piston seat wherein the groove has a curved wall.

Patents under this class:

Patent Number Title Of Patent Date Issued
6712362 Primary seals for master-slave cylinder systems Mar. 30, 2004
6682078 Ring groove for oil ring with coil expander of piston Jan. 27, 2004
6547251 Ring groove for oil ring with coil expander of piston Apr. 15, 2003
5695199 Piston sealing assembly Dec. 9, 1997
5303683 Piston with a profiled ring groove Apr. 19, 1994
4676143 Piston seal device for reciprocating compressor Jun. 30, 1987
4582330 Seal with cleft seating surface Apr. 15, 1986
4362304 Packing arrangement for a floating piston Dec. 7, 1982
4350082 Pump piston having ring lubrication means Sep. 21, 1982
4350352 Piston ring and groove assemblies Sep. 21, 1982

  Recently Added Patents
Electric discharge machining hole drilling
Therapeutic compositions and methods
Fuel-based injection control
Authorization method for location based services
Organic semiconductor compound, semiconductor device, solar cell and producing method of organic semiconductor compound
System for encrypting and decrypting a plaintext message with authentication
Sample chamber for laser ablation inductively coupled plasma mass spectroscopy
  Randomly Featured Patents
Device for non-rotatably securing the outer member of a joint to a flange or shaft
Hole saw system with improved slug removability
Code multiplexing wireless apparatus
Reversible vibrator, bowl feeder with angled spring supports
Component of a magnetic recording medium with sealing layer for corrosion protection
Tire tread
Powder-metallurgical process for the production of a green pressed article of high strength and of low relative density from a heat resistant aluminum alloy
Repetitive chromatographic apparatus
Programmable gate array with improved interconnect structure, input/output structure and configurable logic block
Method of manufacturing semiconductor device