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:
Mar. 30, 1976
Filed:
Jun. 18, 1971
Hans George Menges, Lavrensberg-by-Aachen, DT;
Engelbert Gerhard Harms, Vaalserquartier by Aachen, DT;
Josef Peter Lehnen, Verlautenheide-by-Aachen, DT;
Uniroyal Aktiengesellschaft, Aachen-Rothe-Erde, DT;
Abstract
Single-screw extruder for mixing viscous materials by dividing material in only the forward flow direction in an irregular sequence into a plurality of communicating flow paths which are subjected to constant change between being divided and rejoined. Extruder design can be varied by removable and interchangeable partial arcuate screw sections which are affixed to the body of the screw in the space between selected threads of a continuous screw thread.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile