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:
Apr. 21, 1987
Filed:
Jan. 09, 1985
Applicant:
Inventor:
Giuseppe Parisi, Turin, IT;
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
55503 ; 55504 ; 285136 ; 285281 ;
Abstract
Airtight rotating joint, composed of a fixed part and of a rotating one both equipped with an axial conduit ending in a chamber, rendered airtight and separated from the outside by means of a second pressurizable chamber. The joint is particularly suited to equipment where high-purity materials are to be handled.
Parisi, Giuseppe. (1987). Airtight rotating joint (U.S. Patent No. 4659350). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4659350
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile