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:
May. 03, 2005
Filed:
Jan. 29, 2002
Applicant:
James B. Klassen, Lynden, WA (US);
Inventor:
James B. Klassen, Lynden, WA (US);
Assignee:
Outland Technologies (USA) Inc., Calgary, CA;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F03C002/00 ;
U.S. Cl.
CPC ...
Abstract
A positive displacement device that incorporates two rotors that are offset from collinear and each comprising a first and second set of vanes where the engagement surfaces of the first set of vanes are adapted to only engage when the rotors are in the top dead center location and the second set of lobes of each rotor only engage one another at the bottom dead center position of rotataion.
Klassen, James. (2005). Minimal contact seal positive displacement device method and apparatus (U.S. Patent No. 6887057). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6887057
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile