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Class Information
Number: 92/170.1
Name: Expansible chamber devices > Cylinder detail > Nonmetallic piston contacting portion
Description: Apparatus, including a nonmetallic portion of the cylinder adapted to slidably contact a piston.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8534184 Replaceable sleeve for a cylinder liner Sep. 17, 2013
8438966 Device and piston for segregating articles May. 14, 2013
8337180 Mud pump cylinder assembly and liner system Dec. 25, 2012
8156856 Hydraulic cylinder Apr. 17, 2012
7357068 Material and process for thermal coating, surface layer and also compressor with a surface layer of the material Apr. 15, 2008
7240607 Removable end plug Jul. 10, 2007
6901960 Double diaphragm pump including spool valve air motor Jun. 7, 2005
6668701 Piston seal Dec. 30, 2003
6582334 Compressed-air-operated differential lock of a motor vehicle and method of making the same Jun. 24, 2003
6536330 Piston cylinder device Mar. 25, 2003
6463843 Pump liner Oct. 15, 2002
6415706 Actuator Jul. 9, 2002
6408623 Simplified hydraulic control device for a clutch, especially for an automobile Jun. 25, 2002
6408741 Hydraulic control device for motor vehicle clutch Jun. 25, 2002
6378304 Hydraulic control device for motor vehicle clutch in particular Apr. 30, 2002
6289790 Clutch hydraulic control device, in particular for motor car Sep. 18, 2001
6276909 Piston pump for a hydraulic brake system of a vehicle Aug. 21, 2001
6230610 Pump liner May. 15, 2001
6086339 Solar-powered reciprocating pump Jul. 11, 2000
6050787 Magnetically actuated flexible tube pump Apr. 18, 2000
RE36362 Polymer liners in rod pumping wells Nov. 2, 1999
5924353 Durable oil well pump of fitting ceramics cylinder Jul. 20, 1999
5899672 Electromagnetic pump with magnetically separated cylinders May. 4, 1999
5899136 Low leakage plunger and barrel assembly for high pressure fluid system May. 4, 1999
5890412 Control plate of a hydraulic machine Apr. 6, 1999
5887684 Disk brake calliper Mar. 30, 1999
RE35997 Self cleaning reciprocating and/or rotating device Dec. 22, 1998
5823094 Resinous cylinder Oct. 20, 1998
5813316 Rotary hydraulic actuator Sep. 29, 1998
5797311 Piston/liner arrangement for a reciprocating-piston internal combustion engine Aug. 25, 1998
5794943 Piston rings particularly suited for use with ceramic matrix composite pistons and cylinders Aug. 18, 1998
5769046 Carbon-carbon cylinder block Jun. 23, 1998
5746111 Piston pump in a brake system May. 5, 1998
5740788 Fiber reinforced ceramic matrix composite piston and cylinder/sleeve for an internal combustion engine Apr. 21, 1998
5713723 Volumetric hand pump Feb. 3, 1998
5705241 Fibre-composite rod Jan. 6, 1998
5701799 Plural rotary actuators Dec. 30, 1997
5687634 Method for making a carbon-carbon cylinder block Nov. 18, 1997
5669284 Fluid cylinder end cap assembly Sep. 23, 1997
5651303 Fluid cylinder end cap assembly Jul. 29, 1997
5622098 High pressure cylinder with locking end caps Apr. 22, 1997
5581881 Method of making a cylinder barrel having ceramic bore liners Dec. 10, 1996
5572921 Lift for the handicapped Nov. 12, 1996
5549454 High speed vacuum pump with reduced exhaust noise Aug. 27, 1996
5531574 Closed-type compressor Jul. 2, 1996
5469776 Hydraulic pumping device Nov. 28, 1995
5465647 Fluid cylinder end cap assembly Nov. 14, 1995
5440925 Flow calibrator Aug. 15, 1995
5415079 Composite cylinder for use in aircraft hydraulic actuator May. 16, 1995
5357847 Pressure vessels having end closures and retainers Oct. 25, 1994

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