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Class Information
Number: 277/399
Name: Seal for a joint or juncture > Seal between relatively movable parts (i.e., dynamic seal) > Relatively rotatable radially extending sealing face member (e.g., face, mechanical, etc.) > Particular sealing face member configuration
Description: Sealing face member wherein the sealing face member has a specific shape or formation.


Sub-classes under this class:

Class Number Class Name Patents
277/403 Angled or tapered sealing face 70
277/402 Flexible projection (e.g., lip seal, etc.) 371
277/401 Fluid passage to the sealing face 85
277/400 Hydrodynamic feature 166


Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
7581734 Peek coated seal surfaces Sep. 1, 2009
7540501 Segmented shaft seal Jun. 2, 2009
7500676 Sliding element Mar. 10, 2009
7374339 Seal device for a guide device and guide device May. 20, 2008
7364418 Scroll fluid machine having an adjustment member with a deformable element Apr. 29, 2008
7261300 Hydrodynamic foil face seal Aug. 28, 2007
7258346 Sliding element Aug. 21, 2007
7229076 Mechanical seal Jun. 12, 2007
7178807 Shaft mounted seal device and method for a scraped surface heat exchanger Feb. 20, 2007
7163206 Fluid seal Jan. 16, 2007
7144016 Dry gas seal Dec. 5, 2006
7097176 Balanced mechanical seal assembly Aug. 29, 2006
7093836 Seal device Aug. 22, 2006
7086649 Gasket with two concentric lips Aug. 8, 2006
7052016 Sliding element May. 30, 2006
7040627 Cinchpac self-loading rotary shaft seal May. 9, 2006
7004119 Apparatus and method for rotating sleeve engine hydrodynamic seal Feb. 28, 2006
6969071 Face seal assembly Nov. 29, 2005
6905123 Seals Jun. 14, 2005
6902168 Sliding element Jun. 7, 2005
6773017 Single-piece seal assembly Aug. 10, 2004
6721381 Seal arrangement for in-core instrument housing Apr. 13, 2004
6685192 Tandem seal Feb. 3, 2004
6655695 Face seal assembly with composite rotor Dec. 2, 2003
6655693 Non-contacting gas compressor seal Dec. 2, 2003
6640823 Fitting Nov. 4, 2003
6629816 Non-contacting clearance seal for high misalignment applications Oct. 7, 2003
6619664 Wear improvement to textured lip seal Sep. 16, 2003
6616145 Face seal device for high rotational speeds Sep. 9, 2003
6616144 Mechanical seal with embedded lubrication Sep. 9, 2003
6575470 Non-contacting face seals Jun. 10, 2003
6536542 Rock bit seal with multiple dynamic seal surface elements Mar. 25, 2003
6494458 Rotary sealing assembly Dec. 17, 2002
6494460 Rotary barrier face seal Dec. 17, 2002
6474652 Shaft seal device Nov. 5, 2002
6471214 Tandem axial face seal for pumps for cryogenic media Oct. 29, 2002
6431551 Non-contact type mechanical seal Aug. 13, 2002
6425583 Rotary ring and mechanical seal using the same Jul. 30, 2002
6371259 Drum brake structure for a wheel of all-terrain vehicle Apr. 16, 2002
6341782 Lubricated seals having micropores Jan. 29, 2002
6328537 Radial piston pump Dec. 11, 2001
6299173 Mechanical end face seal ring having a compliant seal face Oct. 9, 2001
6293374 Drum brake seal structure for all-terrain vehicle wheel Sep. 25, 2001
6224059 Controlled contact pressure for scroll compressor seal May. 1, 2001
6217219 Bearing seal with uniform fluid purge Apr. 17, 2001
6213472 Shaft seal Apr. 10, 2001
6213473 Double gas seal with coplanar pad faces Apr. 10, 2001
6189896 Controlled leakage rotating seal ring with elements for receiving and holding a lubricant on a face thereof Feb. 20, 2001
6176491 Sealing device Jan. 23, 2001
6152452 Face seal with spiral grooves Nov. 28, 2000

1 2 3 4 5 6 7


 
 
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