Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Construction
Class Information
Number: 277/506
Name: Seal for a joint or juncture > Seal between relatively movable parts (i.e., dynamic seal) > Circumferential contact seal for other than piston > Accommodates gyratory or oscillatory motion > Arcuate bearing surface
Description: Accommodates gyratory or oscillatory motion wherein the seal or one of the relatively movable parts has a curved bearing surface.










Sub-classes under this class:

Class Number Class Name Patents
277/507 Partially spherical 41


Patents under this class:

Patent Number Title Of Patent Date Issued
6698764 Packing assembly Mar. 2, 2004
6322081 Circumferential seal with ceramic rotor Nov. 27, 2001
5607165 Sealing system for a valve having biassed sealant under pressure Mar. 4, 1997
4911482 Ball joint Mar. 27, 1990
4582329 Sealing bearing arrangement with convex bushing ring Apr. 15, 1986
4579350 Packless stuffing box for polish rods Apr. 1, 1986
4503730 Lever control assembly Mar. 12, 1985
4345766 Apparatus for sealing an oil well pump polished rod Aug. 24, 1982
4108381 Rocket nozzle bearing seal Aug. 22, 1978











 
 
  Recently Added Patents
Etch resistant clearcoat
Illumination apparatus
Semiconductor device and method of forming interconnect structure with conductive pads having expanded interconnect surface area for enhanced interconnection properties
Image reading apparatus
Focus adjustment unit and optical scanning microscope
Pear-shaped convertible reading glasses
Semiconductor light-receiving device
  Randomly Featured Patents
Graphics engine for high precision lithography
Freeboard measuring device
Apparatus for recording and processing guest orders in restaurants or the like
Method and apparatus for manipulation of bit fields directly in a memory source
Method of reading the data stored in a passive responder by means of an interrogation device comprising a receiving section
Illuminator having a spatial light modulator
Sailboat rudder
Hybrid Tea rose plant named `Ruikwien`
Copper phthalocyanine compound and aqueous ink composition comprising the same
Polyesters based upon dimer acid in personal care