Title:
Helical chute concentrator and the method of concentration practiced thereby
Document Type and Number:
United States Patent 2431559

Inventors:
Humphreys, Ira B.
Publication Date:
11/25/1947
View Patent Images:
Images are available in PDF form when logged in. To view PDFs, Login  or  Create Account (Free!)
Referenced by:
View patents that cite this patent
Export Citation:
Click for automatic bibliography generation
Assignee:
HUMPHREYS INVEST COMPANY
Primary Class:
209/459
Other Classes:
209/494
International Classes:
B03B5/62; B03B5/00
US Patent References:
0629596
1032281
0750281
1959736Grain-grader and cleaner
0629595
2145315Concave spiral separator
0912766
1520451Concentrating table


<- Previous Patent (Vasodilator composit...)   |   Next Patent (Helical chute concen...) ->