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. 18, 2021
Filed:
Dec. 30, 2019
Applicant:
Instrotek, Inc., Raleigh, NC (US);
Inventors:
Andrew LaCroix, Raleigh, NC (US);
Lawrence James, Raleigh, NC (US);
Ali Regimand, Raleigh, NC (US);
Dirk Steckmann, Raleigh, NC (US);
Ethan Steckmann, Durham, NC (US);
Assignee:
InstroTek, Inc., Raleigh, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/25 (2006.01); G01N 1/44 (2006.01); G01N 21/27 (2006.01);
U.S. Cl.
CPC ...
G01N 21/251 (2013.01); G01N 1/44 (2013.01); G01N 21/274 (2013.01); G01N 2201/061 (2013.01);
Abstract
A method for quality testing asphalt includes: directing light from a light source to at least one surface of asphalt; detecting light reflected or refracted from the at least one surface of the asphalt using a light detector; and assigning a number indicating the quality of the asphalt in response to detecting light reflected or refracted from the at least one surface of the asphalt.