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:
Apr. 06, 2021
Filed:
Apr. 30, 2019
Pro-iroda Industries, Inc., Taichung, TW;
Wei-Long Chen, Taichung, TW;
Pro-Iroda Industries, Inc., Taichung, TW;
Abstract
A combustion device includes a body defining a firebox, a viewing window in front of the firebox, an upper plate adjacent to a top side of the firebox, a first air passage extending from an end adjacent to a rear end of the body to a second end adjacent to a front end of the body, and a second air passage adjacent to a back side of the firebox. The second air passage has a communication opening at an end communicated with the firebox. The communication opening is at a height higher than a height of a bottom side of the firebox and lower than a height of the top side of the firebox. A burner is disposed within and adjacent to the bottom side of the firebox.