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. 26, 2008
Filed:
Jul. 11, 2002
Applicants:
Daniel J. Woodruff, Kalispell, MT (US);
Randy A. Harris, Kalispell, MT (US);
James J. Erickson, Kalispell, MT (US);
Douglas W. Carr, Richmond, CA (US);
Inventors:
Daniel J. Woodruff, Kalispell, MT (US);
Randy A. Harris, Kalispell, MT (US);
James J. Erickson, Kalispell, MT (US);
Douglas W. Carr, Richmond, CA (US);
Assignee:
Semitool, Inc., Kalispell, MT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65G 49/07 (2006.01); B25J 19/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
End-effectors may be used to grasp microelectronic workpieces for handling by automated transport devices. One such end-effector includes a plurality of abutments and a detector adapted to detect engagement of the edge of the workpiece by at least one of the abutments.