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:
Oct. 30, 1979
Filed:
Nov. 07, 1977
Applicant:
Inventor:
Harold K Haavik, South Norwalk, CT (US);
Assignee:
The Nash Engineering Company, Norwalk, CT (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04C / ;
U.S. Cl.
CPC ...
417 68 ;
Abstract
A liquid ring vacuum pump or compressor in which the port members open to the buckets of the rotor intermediate to the ends of the rotor so that the ratio of the axial length of the pump to the diameter can be relatively high.