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Class 223/20 - Pouncing and polishing


Subclass of Class 223 - Apparel apparatus
Definition: Devices and methods for smoothing or polishing the nap of
No. of patents: 2
Last issue date: 05/13/2008


NumberTitleIssue Date
7371322Filtration system and dynamic fluid separation method
A filtration system is provided with filter media operable to remove solids, particulate and colloidal matter from a process fluid. The filtration system may include one or more porous membranes which are anchored or secured on their periphery with a large open work...
05/13/2008
7282147Cleaning hollow core membrane fibers using vibration
A filtration system is provided with hollow membrane filter elements operable to remove solids, particulate and colloidal matter from a process fluid. Acoustic, vibration and ultrasonic energy may be used to clean exterior portions of the hollow membrane filter elem...
10/16/2007
 
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