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. 14, 1991
Filed:
Sep. 26, 1989
Applicant:
Inventor:
Tsunemi Hayashi, Shizuoka, JP;
Assignees:
Akatake Engineering Co., Ltd., Numazu, JP;
Shin-Etsu Chemical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B67D / ; G01G / ;
U.S. Cl.
CPC ...
222644 ; 222 77 ; 222199 ; 222236 ; 222410 ;
Abstract
A powder feeding apparatus comprising a holding hopper for holding a powder, a metering hopper for metering the powder from the holding hopper, a mechanism for opening and closing a discharge opening in the metering hopper, a controller for controlling the hopper opening-closing mechanism, and a trough where the powder discharged in a heap from the metering hopper is smoothed into a layer.
Hayashi, Tsunemi. (1991). Powder feeding apparatus (U.S. Patent No. 5014889). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5014889
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile