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. 26, 1988
Filed:
Dec. 31, 1986
Applicant:
Inventor:
Ralph Hoffmann, Eden Prairie, MN (US);
Assignee:
Compression Technologies, Inc., Eden Prairie, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01C / ; F01C / ;
U.S. Cl.
CPC ...
418 / ; 418151 ; 7457 / ;
Abstract
A rotor assembly for an outer envelope trochoidal device. The rotor assembly has an outer peripheral surface that defines a trochoidal curve and includes at least one tapped hole on one lobe. The tapped hole includes an adjustable balancing member for balancing the rotor assembly.
Hoffmann, Ralph. (1988). Outer envelope trochoidal rotary device having a rotor assembly having (U.S. Patent No. 4721445). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4721445
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile