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. 15, 1997
Filed:
Jan. 31, 1995
Applicant:
Inventor:
Yamin Ma, Roseville, MN (US);
Assignee:
Graco Inc, Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05B / ;
U.S. Cl.
CPC ...
239706 ;
Abstract
An improved electrostatic ionizing system for use in connection with a spray gun, having a conductive needle positioned near the center of the spray gun spray pattern, the needle having a diameter of less than about 250 micrometers and a needle tip sharpened to have a radius of curvature of less than about 50 micrometers, and a second electrode spaced approximately one centimeter from the needle.