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:
Feb. 04, 2025
Filed:
Mar. 26, 2020
Applicant:
John Zink Company, Llc, Tulsa, OK (US);
Inventors:
Assignee:
JOHN ZINK COMPANY, LLC, Tulsa, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F23D 14/72 (2006.01); F23Q 3/00 (2006.01); H01T 13/20 (2006.01); H01T 21/02 (2006.01);
U.S. Cl.
CPC ...
F23D 14/725 (2013.01); F23Q 3/004 (2013.01); H01T 13/20 (2013.01); H01T 21/02 (2013.01);
Abstract
There is disclosed an ionisation and/or ignition device comprising: an inner rod, an outer sleeve, and an electrical insulator. The inner rod comprises a semiconductor refractory material. The outer sleeve comprises a semiconductor refractory material. The electrical insulator is disposed between the inner rod and the outer sleeve. The inner rod material has a greater hardness than the outer sleeve material.