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
Apparatus and method for evaluating an activity distribution, and irradiation system
Reducing voltage stress in a flyback converter design
Asymmetric switching rectifier
Fuser member
Amnion-derived cells, methods of making and uses thereof
Method for preparing a .beta.-SiAlON phosphor
Automated processing machine used for processing samples placed on slides and having an output device
  Randomly Featured Patents
Shoe upper
Hydraulic control system
Liquid fuel injection pumping apparatus
Digital camera
Polymerizable composition for color filter, color filter, and solid-state imaging device
Large aluminum nitride crystals with reduced defects and methods of making them
Plants and seeds of hybrid corn variety CH413233
Automated collaborative filtering system
Method and apparatus for providing moire effect correction on a multi-scan display monitor
Red phosphor and plasma display panel including same