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:
Sep. 08, 2020
Filed:
Nov. 08, 2016
Despatch Industries Limited Partnership, Lakeville, MN (US);
Hans L. Melgaard, North Oaks, MN (US);
Daniel M. Ruf, Minneapolis, MN (US);
Matthew Benson, Geneva, IL (US);
Phillip Vu, St. Louis Park, MN (US);
Robert Gerald Graham, Birchwood, MN (US);
Rolf Douglas Kragseth, Northfield, MN (US);
Illinois Tool Works Inc., Glenview, IL (US);
Abstract
Ovens, discharge nozzle plates for distribution of gas through an oven, and methods to operate an oven are disclosed. Example ovens include a heating system to heat gas, a substrate heating volume, and a plenum comprising a side wall having a plurality of passages formed therein, the plenum configured to direct heated gas into the substrate heating volume from the plurality of passages, each of the plurality of passages formed in the plenum having a respective tapered cross-sectional shape.