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:
Jun. 02, 2026
Filed:
Jul. 31, 2024
Applicant:
Pratt & Whitney Canada Corp., Longueuil, CA;
Inventor:
Paul Weaver, Chateauguay, CA;
Assignee:
PRATT & WHITNEY CANADA CORP., Longueuil, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02K 1/12 (2006.01); F02K 1/00 (2006.01); F02K 1/36 (2006.01); F02K 1/38 (2006.01);
U.S. Cl.
CPC ...
F02K 1/38 (2013.01); F02K 1/006 (2013.01); F02K 1/1207 (2013.01); F02K 1/36 (2013.01);
Abstract
An exhaust assembly for a turboprop engine, the assembly having: a primary exhaust nozzle disposed at an aft end of an engine core of the turboprop engine; a secondary exhaust nozzle extending aft from the primary exhaust nozzle to an aft end of the secondary exhaust nozzle, a movable panel disposed in the aft end of the secondary exhaust nozzle and movable to decrease an area of the secondary exhaust nozzle.
Weaver, Paul. (2026). Turboprop with a variable area nozzle ejector (U.S. Patent No. 12644426). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12644426
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile