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. 03, 2026
Filed:
Jun. 28, 2024
Applicant:
Rtx Corporation, Farmington, CT (US);
Inventor:
Isaac Jon Hogate, Farmington, ME (US);
Assignee:
RTX Corporation, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 21/00 (2006.01); F01D 11/00 (2006.01); F01D 11/02 (2006.01);
U.S. Cl.
CPC ...
F01D 11/001 (2013.01); F01D 11/02 (2013.01); F01D 21/003 (2013.01); F05D 2230/90 (2013.01); F05D 2240/55 (2013.01); F05D 2260/80 (2013.01); F05D 2300/2112 (2013.01); F05D 2300/611 (2013.01);
Abstract
A coated knife edge seal member has an annular knife edge having: a flank having a first end face and a second end face. The knife edge has: a tip converging to a rim; and an annular reference datum. The member has a metallic substrate and a coating on the substrate at the tip.