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Class Information
Number: 277/913
Name: Seal for a joint or juncture > Seal for fluid pressure below atmospheric (e.g., vacuum, etc.)
Description: Sealing means intended to maintain a sealed fluid at a pressure lower than air pressure from its surrounding environment.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8684214 Degassing container for refrigerator Apr. 1, 2014
8608856 Sealing part and substrate processing apparatus Dec. 17, 2013
8573600 High-vacuum seal Nov. 5, 2013
8353988 Rotating pressure distributor and carousel-type machine for treating hollow bodies which is equipped therewith Jan. 15, 2013
8146923 Vacuum apparatus of rotary motion entry Apr. 3, 2012
8104770 Semiconductor process chamber Jan. 31, 2012
7740247 Compound sliding seal unit suitable for atmosphere to vacuum applications Jun. 22, 2010
7559557 Sealing between vacuum chambers Jul. 14, 2009
7531816 Vacuum conveying apparatus and charged particle beam equipment with the same May. 12, 2009
7464941 Sealing mechanism for sealing a vacuum chamber Dec. 16, 2008
7246800 Sealing mechanism for sealing a vacuum chamber Jul. 24, 2007
7090222 Shaft sealing assembly for vacuum processing apparatus Aug. 15, 2006
7090223 Shaft sealing module for sealing vacuum chambers Aug. 15, 2006
7080440 Very low moisture o-ring and method for preparing the same Jul. 25, 2006
6805487 Holder driving unit Oct. 19, 2004
6688604 Sealing mechanism for sealing a vacuum chamber Feb. 10, 2004
6536777 Sealing techniques suitable for different geometries and constrained spaces Mar. 25, 2003
6481721 Method and apparatus for overcladding a glass rod Nov. 19, 2002
6443618 Particulate free air bearing and seal Sep. 3, 2002
6323496 Apparatus for reducing distortion in fluid bearing surfaces Nov. 27, 2001
6296255 Sealing mechanism for sealing a vacuum chamber Oct. 2, 2001
6274875 Fluid bearing vacuum seal assembly Aug. 14, 2001
6271530 Apparatus for reducing distortion in fluid bearing surfaces Aug. 7, 2001
6254732 Method for loading a seal of a suction roll and a sealing construction thereof Jul. 3, 2001
6251494 Honeycomb structure seal for a gas turbine and method of making same Jun. 26, 2001
6135460 Method of and apparatus for purifying reduced pressure process chambers Oct. 24, 2000
6098992 Vehicle compartment seals Aug. 8, 2000
6095529 Arrangement for sealing an opening of a rotor housing Aug. 1, 2000
5943730 Scrubber vac-fan seal Aug. 31, 1999
5784925 Vacuum compatible linear motion device Jul. 28, 1998
5722668 Protective collar for vacuum seal in a plasma etch reactor Mar. 3, 1998
5700014 Vacuum sealing structure Dec. 23, 1997
5686941 Information recording apparatus having a vacuum system Nov. 11, 1997
5667224 Adjustable seal assembly Sep. 16, 1997
5653447 Vacuum/pressure seal method and apparatus Aug. 5, 1997
5653479 Vacuum seal for a ball junction Aug. 5, 1997
5538262 Ultra-high vacuum gasket and vacuum apparatus using the same Jul. 23, 1996
5529319 V-notch seal for non-flooded zone of disc filter valve Jun. 25, 1996
5516154 Plastic vacuum component with groove for seal May. 14, 1996
5516122 Ultra high vacuum elastomer seal May. 14, 1996
5507499 Method of sealing useful in semiconductor processing apparatus for bridging materials having a thermal expansion differential Apr. 16, 1996
5472215 Rotating high vacuum mercury seal Dec. 5, 1995
5471765 Arrangement in a dryer for a fibre web Dec. 5, 1995
5449010 Pressure controlled cleaning system Sep. 12, 1995
5401035 Circumferential seal for a vacuum pressure chamber on a metering device Mar. 28, 1995
5368648 Sealing apparatus Nov. 29, 1994
5348313 Radial shaft sealing ring Sep. 20, 1994
5340122 Differentially-pumped ferrofluidic seal Aug. 23, 1994
5248022 Driving device having sealing mechanism Sep. 28, 1993
5247424 Low temperature conduction module with gasket to provide a vacuum seal and electrical connections Sep. 21, 1993

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