Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
Method for preparing an organic film at the surface of solid support under non-electrochemical conditions, solid support thus obtained and preparation kit
Semiconductor device and method of manufacturing the same
Vehicle control apparatus
Technique for effectively providing program material in a cable television system
Reflective mask blank and method of manufacturing a reflective mask
System and method for detecting executable machine instructions in a data stream
System and method for multi-threaded MIMO OFDM channel equalizer
  Randomly Featured Patents
Methods for manufacturing investment casting shells
Data storage apparatus, memory control apparatus and method for controlling flash memories
Trigger circuit for an electromagnetic actuator
Information perception apparatus, information transmission system, and memory medium in which program for controlling information perception apparatus is stored
Electrical stimulation to reduce free radical levels
Methods and systems for triggerless prepaid SMS screening and accounting in a signaling message routing node
Process for improving the shelf life of whole blood
Cleaning and disinfecting method for contact lens
Fluid pump without dead volume
Double breakapart carton with sealable ends and blank for forming the same