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. 20, 1982
Filed:
May. 19, 1980
Jean-Pascal Hanrot, Aix-en-Provence, FR;
Jacky Volpeliere, Gardanne, FR;
Aluminum Pechiney, Lyons, FR;
Abstract
Apparatus for handling powder substance, comprising a central feed pipe, an outer pipe, a bell-like member of large section which is disposed around the outer pipe and which communicates therewith by way of filter openings, a corolla-like member which is suspended from the bell-like member and into which open the lower ends of the two pipes, a vacuum in the outer pipe, the bell-like member and the corolla-like member, said corolla member floating on the pile of powder substance by virtue of the support effect of the vacuum in the bell-like member.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile