Resources Contact Us Home
Browse by Category: Main > Construction
Class Information
Number: 277/508
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 > Axially spring biased
Description: Accommodates gyratory or oscillatory motion including an elastic contrivance or body to force the seal in a direction along an axis of motion of the relatively movable parts.

Sub-classes under this class:

Class Number Class Name Patents
277/509 Coaxial spring 6

Patents under this class:

Patent Number Title Of Patent Date Issued
8690534 Backup seals in rotary pumps Apr. 8, 2014
7883094 Offset stacked sealing system Feb. 8, 2011
7163206 Fluid seal Jan. 16, 2007
7001159 Motor-driven pump for pool or spa Feb. 21, 2006
6354597 Sealed rotating connection device allowing great motions Mar. 12, 2002
5048847 Stuffing box for sealing large-scale deflection shafts Sep. 17, 1991

  Recently Added Patents
Semiconductor memory device
Image display device and display unit for image display device
Semiconductor device and manufacturing method
Semiconductor device and method for fabricating the same
Charging current control method and charging system
Liquid crystal display
Idle stop and go system and method for controlling thereof
  Randomly Featured Patents
Fishing reel
Flame spraying process
Immersion optical lithography system having protective optical coating
Shoe outsole
Electron tube having a photoelectron confining mechanism
Stereophonic audio equipment carrier
Pre-charge triggering to increase throughput by initiating register output at beginning of pre-charge phase
Toy building element
Condensation and washing device, polymerisation device and method for cleaning process steam during the production of polylactide