The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 16, 1990
Filed:
May. 16, 1986
Applicant:
Inventors:
Frank J Borzenski, Branford, CT (US);
Narku O Nortey, Trumbull, CT (US);
Assignee:
Farrel Corporation, Ansonia, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01F / ; B29B / ; B29B / ;
U.S. Cl.
CPC ...
366 76 ; 366 77 ; 366300 ;
Abstract
Two horizontally opposed winged rotors move in synchronism to define a cyclically varying window between them such that improved mixing results are achieved. The wings are provided in diagonally opposed pairs such that the leading ends of all wings move in pairs through the horizontal plane of the window.