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UNIQUE OPEN COLLECTION OF PATENTS OF ACTUAL
INVENTIONS AND TECHNOLOGIES

DEVICES AND METHODS OF EXTRACTING COLORED, RARE-EARTHED
AND NOBLE METALS

The collection contains more than 1000 patents for the most popular inventions and technologies related to devices and methods for extraction of non-ferrous, rare-earth and precious metals .

The section is divided into rubrics:

• Devices and methods for extracting mainly noble and rare-earth metals
• Devices and methods for extracting a predominantly non-noble metal group of metals

The main objective of this review is to bring to the interested public these unique and useful inventions and technologies in order to prevent them from disappearing in the archives of patent offices .

The collection of patents is constantly updated with new interesting and useful information.

Attention! If you are the owner of a patent, inform the portal administration about it. In the e-mail, indicate your contact information (E-Mail, phone, mailing address) .

If you have not found your patent and want to see it in this collection, inform the portal administration about it.

NEW ARTICLES AND PUBLICATIONS
	The technology of manufacturing universal couplings for unbreakable, threadless, flossless connection of pipe sections in high pressure pipelines (video is available )
	Technology of oil and oil products cleaning
	On the possibility of moving a closed mechanical system at the expense of internal forces
	Fluorescence in thin dielectric channels
	The relationship between quantum and classical mechanics
	Millimeter waves in medicine. A New Look. MMV therapy
	Magnetic engine
	Heat source based on pump units