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. 04, 2022
Filed:
Sep. 26, 2014
Applicant:
Hewlett-packard Development Company, L.p., Houston, TX (US);
Inventors:
James Elmer Abbott, Jr., Albany, OR (US);
Alexander Govyadinov, Corvallis, OR (US);
Vladek Kasperchik, Corvallis, OR (US);
Krzysztof Nauka, Palo Alto, CA (US);
Sivapackia Ganapathiappan, Los Altos, CA (US);
Lihua Zhao, Sunnyvale, CA (US);
Howard S. Tom, Jr., San Jose, CA (US);
Yan Zhao, Palo Alto, CA (US);
Hou T. Ng, Campbell, CA (US);
Assignee:
Hewlett-Packard Development Company, L.P., Spring, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 64/165 (2017.01); B33Y 30/00 (2015.01); B29C 64/291 (2017.01); B29C 64/277 (2017.01); B29C 64/264 (2017.01); B29C 64/268 (2017.01); B29C 35/08 (2006.01); B29C 67/00 (2017.01); B33Y 10/00 (2015.01); B29C 64/205 (2017.01); B29C 64/209 (2017.01);
U.S. Cl.
CPC ...
B29C 64/165 (2017.08); B29C 35/0805 (2013.01); B29C 64/264 (2017.08); B29C 64/268 (2017.08); B29C 64/277 (2017.08); B29C 64/291 (2017.08); B29C 67/0007 (2013.01); B33Y 30/00 (2014.12); B29C 64/205 (2017.08); B29C 64/209 (2017.08); B29C 2035/0838 (2013.01); B33Y 10/00 (2014.12);
Abstract
In one example, a lighting device for an additive manufacturing machine includes an array of light sources each to emit monochromatic light within a band of wavelengths that includes a peak light absorption of a liquid coalescing agent to be dispensed on to a build material.