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
Radiation imaging device
Partial response decision feedback equalizer with distributed control
Asynchronous distributed de-duplication for replicated content addressable storage clusters
Image stabilization apparatus and image pickup apparatus
System and method for optimizing use of plug-in air conditioners and portable heaters
Three-dimensional filter
Antibodies to CCR2
  Randomly Featured Patents
Arylvinylazacycloalkane compounds and methods of preparation and use thereof
Electrostatic printing apparatus comprising improved electrode drive means
Titanium halide catalyst system
Data terminal, data distribution system, and internet telephone system
Modular building having a steel shipping container core
Storage medium cartridge for use with a storage medium cartridge gripping assembly
Method for testing a filter in a dialysis system
Digital camera having parallel processing controller
Rapidly disintegrating flavored film for precooked foods