Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Construction
Class Information
Number: 277/482
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 ring expander > Circumferentially spaced separately seated radially acting bias feature
Description: Particular piston ring expander wherein the piston ring expander has peripherally spread apart, individually positioned, resilient members acting in a direction perpendicular to the piston"s axis of reciprocation.










Sub-classes under this class:

Class Number Class Name Patents
277/483 Disposed in socket or about pin 5


Patents under this class:

Patent Number Title Of Patent Date Issued
6575472 System for sealing relatively movable elements Jun. 10, 2003
6502826 Hydraulic cylinder piston seal Jan. 7, 2003
6340160 System for sealing relatively movable elements Jan. 22, 2002
6199868 Piston assembly with piston ring support and sealing member Mar. 13, 2001
5039060 Control valve vibration damper/isolator Aug. 13, 1991
4079949 Integral spring piston ring Mar. 21, 1978











 
 
  Recently Added Patents
Methods and apparatus to determine impressions using distributed demographic information
Software execution management apparatus, method, and computer-readable medium thereof
Dual protocol input device
Varying latency timers in a wireless communication system
Translation system adapted for query translation via a reranking framework
Battery pouch sheet edge insulation
Plants and seeds of hybrid corn variety CH089600
  Randomly Featured Patents
Articulated gliding ring
Self-chilling dispenser for drinking fluids
Test apparatus for gauging radii of columniform workpieces
Electromagnetic actuator, particularly for driving an engine valve
Mechanic certification tracking validator
Method of forming semiconducting materials and barriers
Cable connector capable of surely connecting a cable
Heat pump refrigerant charge control system
Process for esterification of cellulose using as the catalyst the combination of sulfuric acid, phosphoric acid and a hindered aliphatic alcohol
Flexible substrate electronic assembly