On a trip to India as a design student, Dutch product designer Olivier de Gruijter noticed the ubiquity of jerricans (sometimes called jerry cans), plastic or metal containers used to lug water from ...
Melt filter. The U.S. Patent and Trademark Office has awarded a patent to Nordson Corp., Westlake, Ohio, for a self-cleaning filter that removes dirt, metal and other contaminants from plastic scrap ...
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