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
Memory elements with increased write margin and soft error upset immunity
Method and system for providing status of a machine
Method and device for detecting the dysfunction of a gas pressure sensor in a vehicle tire
Event-triggered server-side macros
Apparatus and method for multiple pagings in broadband wireless communication system
Method of treating lung cancer
  Randomly Featured Patents
Frozen carbonated beverage apparatus and method and control system therefor
Adhesive composition
Process of cross-linking a halogenated polymer by means of a coupling agent based on thiolate
Interconnects for stacked non-volatile memory device and method
Animal-resistant latching system
Discriminating electret radioactivity detector system and method for measuring radon concentration
Dimension adjustable composite doors, bi-fold doors, and methods of construction thereof
Carpenter's tool
Projection system for the rider of a non-enclosed vehicle and vehicle incorporating same
Device for ensuring in an intermediate station the transfer and the branch connection of at least one multiplexed numerical data channel