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Class Information
Number: 134/136
Name: Cleaning and liquid contact with solids > Apparatus > Work holder in form of valved plunger
Description: Apparatus which includes a workholder which is adapted to act as a plunger, or pump piston and which has a valve for allowing fluid flow in one direction but not in the opposite direction.

Patents under this class:

Patent Number Title Of Patent Date Issued
8685337 Device for sterilizing closures Apr. 1, 2014
8267102 Washing tube and endoscope washing and disinfecting apparatus Sep. 18, 2012
7793670 Fixture for optical elements for use in cleaning processes Sep. 14, 2010
7500488 Apparatus for cleaning soil from footwear Mar. 10, 2009
7143000 Computer-assisted method for calculating the temperature of a solid body Nov. 28, 2006
6837253 Processing tank with improved quick dump valve Jan. 4, 2005
5710855 Package for optical fibers supported in an easily-viewable closed loop Jan. 20, 1998
4766755 Plunger-type paint roller cleaning device Aug. 30, 1988
4573486 Device for cleaning container filling machines Mar. 4, 1986
4356830 Cleansing apparatus for test-vessels Nov. 2, 1982

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