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Class Information
Number: 100/269.01
Name: Presses > Reciprocating press construction > Fluid pressure actuation
Description: Apparatus in which the means to move an opposed pressure surface (i.e., platen) includes an expansible working chamber, and means to admit fluid under pressure into the working chamber to cause expansion of the working chamber.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7584697 |
Isostatic press |
Sep. 8, 2009 |
| 7552675 |
Double lift tank wine press |
Jun. 30, 2009 |
| 7549370 |
Actuator means to accomplish a linear movement |
Jun. 23, 2009 |
| 7506580 |
Pressing device |
Mar. 24, 2009 |
| 7500429 |
Split marine trash compactor system |
Mar. 10, 2009 |
| 7500430 |
Vacuum trash compactor apparatus |
Mar. 10, 2009 |
| 7481160 |
System and method for controlling compactor systems |
Jan. 27, 2009 |
| 7481161 |
Plunger-cylinder assembly |
Jan. 27, 2009 |
| 7464641 |
Stack fastening device |
Dec. 16, 2008 |
| 7421946 |
Two stage oil filter press |
Sep. 9, 2008 |
| 7350459 |
Foliage compactor |
Apr. 1, 2008 |
| 7219601 |
Empty container pressing apparatus |
May. 22, 2007 |
| 7150617 |
Multiple position press |
Dec. 19, 2006 |
| 7137335 |
Plastics waste processor |
Nov. 21, 2006 |
| 6994022 |
Aircraft trash management system |
Feb. 7, 2006 |
| 6971428 |
Device for vacuum-pressing of DVD substrates |
Dec. 6, 2005 |
| 6964225 |
Press |
Nov. 15, 2005 |
| 6851355 |
Pressing method, pressing mechanism and resin molding device |
Feb. 8, 2005 |
| 6823777 |
Apparatus for compressing objects and high-pressure press |
Nov. 30, 2004 |
| 6769356 |
Method of operating a hydraulic pressing unit, and hydraulic pressing unit |
Aug. 3, 2004 |
| 6722270 |
Hydraulic press |
Apr. 20, 2004 |
| 6718870 |
Hand-held hydraulic pressing apparatus |
Apr. 13, 2004 |
| 6415711 |
Cheese shredder apparatus |
Jul. 9, 2002 |
| 6196125 |
Sealing arrangement in hydraulic press |
Mar. 6, 2001 |
| 6009800 |
Rotating variable height clamping device |
Jan. 4, 2000 |
| 5832818 |
Plastic bottle heating element compressor |
Nov. 10, 1998 |
| 5735201 |
Apparatus including mutually communicating hydraulic cylinders for even distribution of blank-holding force on pressing machine |
Apr. 7, 1998 |
| 5579684 |
Efficient compaction system |
Dec. 3, 1996 |
| 5390574 |
Control for automatically programmed variable pump output pressure of a hydraulically operated punch press |
Feb. 21, 1995 |
| 5347919 |
Tractive tire compactor |
Sep. 20, 1994 |
| 5323698 |
Press for compressing drums of contaminated waste |
Jun. 28, 1994 |
| 5299493 |
System for monitoring trash compactors |
Apr. 5, 1994 |
| 5272904 |
Hydraulically operable press brake |
Dec. 28, 1993 |
| 5271321 |
Tire compacting machine |
Dec. 21, 1993 |
| 5083509 |
Compaction device |
Jan. 28, 1992 |
| 4311092 |
Low-profile vertical baling machine |
Jan. 19, 1982 |
| 4070962 |
Refuse compactors |
Jan. 31, 1978 |
| RE29278 |
Waste compacting apparatus |
Jun. 28, 1977 |
| 4006679 |
Opposed box baling press |
Feb. 8, 1977 |
| 3986845 |
Fuel compacting apparatus |
Oct. 19, 1976 |
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