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:
Feb. 28, 1989
Filed:
Aug. 18, 1986
Applicant:
Inventor:
Bedrich Hajek, New Haven, CT (US);
Assignee:
Electrostatic Technology Incorporated, New Haven, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427 32 ; 427 27 ; 118309 ; 118630 ; 118634 ;
Abstract
An electrostatic powder coating unit utilizes a tubular cloud of charged particles moving helically within a generally cylindrical porous member, for coating workpieces conveyed therethrough. The electrode assembly, by which ionized air is produced for charging the particles, may be mounted to rotate about the cylindrical porous member, for optimal efficiency and effectiveness.