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:
Sep. 27, 1994
Filed:
Oct. 27, 1993
Applicant:
Inventor:
Horst Eigruber, McPherson, KS (US);
Assignee:
Friedrich Theysohn GmbH, Bad Oeynhausen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01F / ;
U.S. Cl.
CPC ...
366 85 ; 366301 ; 425204 ; 425209 ;
Abstract
A double worm extruder has the ribs of its screws of trapezoidal cross section between divergent flanks to minimize wear of the housing surface.
Eigruber, Horst. (1994). Double worm extruder with meshing screws (U.S. Patent No. 5350231). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5350231
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile