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:
Jul. 10, 1990
Filed:
Jan. 30, 1989
Applicant:
Inventor:
Hubert Grieb, Germering, DE;
Assignee:
MTU Motoren Und Turbinen- Union Munchen GmbH, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F28F / ;
U.S. Cl.
CPC ...
165 76 ; 165176 ; 29888052 ;
Abstract
The air ducts of a heat exchanger are formed of a plurality of duct sections arranged axially one after the other and are clamped together in sealed relation by tension pipes arranged in spaced relation within the respective ducts sections. The tension pipes are perforated to permit air flow between the ducts and heat exchange tubes connected thereto.
Grieb, Hubert. (1990). Heat exchanger comprised of sections detachably and sealably clamped (U.S. Patent No. 4940084). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4940084
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile