| |
 |
|
Class Information
Number: 277/446
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 > Rotation limiting feature (i.e., antirotation) > Between rings
Description: Piston ring or piston ring expander wherein the feature to limit rotation (i.e., antirotation) is between any combination of the piston ring or piston ring expander, or between any combination of more than one piston ring or piston ring expander.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6450295 |
Feed screw device |
Sep. 17, 2002 |
| 6428014 |
Piston sealing ring assembly |
Aug. 6, 2002 |
| 6378872 |
Seal assembly |
Apr. 30, 2002 |
| 6260770 |
Sprinkler and sealing assembly therefor |
Jul. 17, 2001 |
| 6193236 |
Packing seal having at least two axially adjacent segment rings |
Feb. 27, 2001 |
| 5603512 |
Side and gap sealed oil ring |
Feb. 18, 1997 |
| 5238255 |
Oil ring assembly |
Aug. 24, 1993 |
| 5133564 |
Piston ring assembly for stirling engine |
Jul. 28, 1992 |
| RE32395 |
Piston and piston rings set |
Apr. 14, 1987 |
| 4615531 |
Double ring piston sealing arrangement |
Oct. 7, 1986 |
| 4572520 |
Multi-component steel piston ring with rotation preventing rivet |
Feb. 25, 1986 |
| 4516481 |
Piston and piston rings set |
May. 14, 1985 |
| 4384729 |
Interlocking dual plane gapped compression rings |
May. 24, 1983 |
| RE31005 |
Resilient plastic piston ring |
Aug. 3, 1982 |
| 4240644 |
Piston seal |
Dec. 23, 1980 |
| 4111438 |
Sealing ring assemblies for pistons |
Sep. 5, 1978 |
| 3999767 |
Piston ring system |
Dec. 28, 1976 |
| 3991455 |
Coupled piston ring method of manufacture |
Nov. 16, 1976 |
| 3942808 |
Piston ring assembly |
Mar. 9, 1976 |
|
|
|
