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:
Oct. 19, 2010
Filed:
Mar. 02, 2008
Dennis Siemiet, Rochester Hills, MI (US);
David L Simon, Grosse Pointe Farms, MI (US);
Huaiyao Yuan, Buffalo Grove, IL (US);
Dennis Siemiet, Rochester Hills, MI (US);
David L Simon, Grosse Pointe Farms, MI (US);
Huaiyao Yuan, Buffalo Grove, IL (US);
Altair Engineering, Inc., Troy, MI (US);
Abstract
A LED lighting unit including an elongated heat sink having two spaced apart longitudinal grooves, the grooves facing tangentially or at an angle greater than an angle between a tangent of the lighting unit at the groove and a radius of the lighting unit at the groove. At least one LED is mounted to the heat sink between the grooves, and the at least one LED is enclosed by a lens having bulged longitudinal edges by sliding the bulged longitudinal edges into the grooves.