U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5719655

System for magnetically attaching templeless eyewear to a person

A system of eyewear that eliminates the need for hinges on the frames of the eyewear.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 210/702 - Making an insoluble substance or accreting suspended constituents


Subclass of Class 210 - Liquid purification or separation
Definition: Process in which a liquid is treated by a chemical or physical
No. of patents: 242
Last issue date: 12/06/2011


            7  
NumberTitleIssue Date
3936376Method for collecting scale formations in water pipes
Conglomerations of charged ions of minerals in a water pipe system resulting from subjecting the water to an alternating electric field are effectively removed from the water flow path by providing first and second screens. The first screen is located nor...
02/03/1976
3933606Water treatment process and apparatus
Disclosed herein are a process and apparatus for electrolytically removing suspended and dissolved impurities from contaminated water. By the process of the invention, contaminated water is fed to a column where it is exposed to an electrical field create...
01/20/1976
            7  
 
Sign InRegister
Username  
Password   
forgot password?