Resources Contact Us Home
Browse by Category: Main > Construction
Class Information
Number: 277/492
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 > Sectional piston ring structure > C, l, t, u, v, or z cross-sectional profile > Three or more sections
Description: Sectional piston ring wherein the sectional piston ring has at least three component rings.

Patents under this class:

Patent Number Title Of Patent Date Issued
6419234 Oil sealing ring Jul. 16, 2002
5921553 Sealing ring assembly for a single sealing ring piston Jul. 13, 1999
4090719 Packing assembly May. 23, 1978

  Recently Added Patents
Resistive random access memory cell and resistive random access memory module
Soybean cultivar CL0911444
High surface area composition for use in the catalytic hydroconversion of a heavy hydrocarbon feedstock, a method making such composition and its use
Synchronization of sound generated in binaural hearing system
Computer implemented apparatus for generating and filtering creative proposal
Automatic misalignment balancing scheme for multi-patterning technology
  Randomly Featured Patents
Power interrupt device with remote activity detector
Method for reducing rope sway in elevators
Data saving method and external storage device
Brush holding device for alternators
Variable clocking in hardware co-simulation
Cable raceway
Apparatus for the complex continuous processing of polymetallic raw materials
Page or book for interacting with an animal
Systems and methods for reconfiguration of a circuit switched ring to a packet switched ring
Inhibitors of phospholipase enzymes