List of A.O. Smith patents

Patents where

Current Assignee

Name

‌

A.O. Smith

Name	Description	Patent Applicant	Current Assignee	Patent Jurisdiction	Patent Number	Date of Patent
‌ US Patent 7259487 Electric machine including circuit board mounting means	Patent 7259487 was granted and assigned to A.O. Smith on August, 2007 by the United States Patent and Trademark Office.		‌ A.O. Smith	United States Patent and Trademark Office	7259487	August 21, 2007
‌ US Patent 7148598 Spoke permanent magnet rotors for electrical machines and methods of manufacturing same	Patent 7148598 was granted and assigned to A.O. Smith on December, 2006 by the United States Patent and Trademark Office.		‌ A.O. Smith	United States Patent and Trademark Office	7148598	December 12, 2006
‌ US Patent 7923881 Interior permanent magnet motor and rotor	Patent 7923881 was granted and assigned to A.O. Smith on April, 2011 by the United States Patent and Trademark Office.		‌ A.O. Smith	United States Patent and Trademark Office	7923881	April 12, 2011
‌ US Patent 7821175 Stator assembly for an electric machine and method of manufacturing the same	Patent 7821175 was granted and assigned to A.O. Smith on October, 2010 by the United States Patent and Trademark Office.		‌ A.O. Smith	United States Patent and Trademark Office	7821175	October 26, 2010
‌ US Patent 7247964 Electrical machine with magnetized rotor	Patent 7247964 was granted and assigned to A.O. Smith on July, 2007 by the United States Patent and Trademark Office.		‌ A.O. Smith	United States Patent and Trademark Office	7247964	July 24, 2007
‌ US Patent 7932658 Interior permanent magnet motor including rotor with flux barriers	Patent 7932658 was granted and assigned to A.O. Smith on April, 2011 by the United States Patent and Trademark Office.		‌ A.O. Smith	United States Patent and Trademark Office	7932658	April 26, 2011
‌ US Patent 11624512 Tankless water heater having integrated scale control module	Patent 11624512 was granted and assigned to A.O. Smith on April, 2023 by the United States Patent and Trademark Office.	A. O. Smith	‌ A.O. Smith	United States Patent and Trademark Office	11624512	April 11, 2023
‌ US Patent 7541701 Totally enclosed fan cooled motor	Patent 7541701 was granted and assigned to A.O. Smith on June, 2009 by the United States Patent and Trademark Office.		‌ A.O. Smith	United States Patent and Trademark Office	7541701	June 2, 2009
‌ US Patent 6867525 Brushless permanent magnet machine with axial modules of rotor magnetization skew and method of producing the same	Patent 6867525 was granted and assigned to A.O. Smith on March, 2005 by the United States Patent and Trademark Office.		‌ A.O. Smith	United States Patent and Trademark Office	6867525	March 15, 2005
‌ US Patent 7307366 Brushless permanent magnet machine with axial modules of rotor magnetization skew and method of producing the same	Patent 7307366 was granted and assigned to A.O. Smith on December, 2007 by the United States Patent and Trademark Office.		‌ A.O. Smith	United States Patent and Trademark Office	7307366	December 11, 2007
‌ US Patent 7271560 Assembly for moving a barrier and method of controlling the same	Patent 7271560 was granted and assigned to A.O. Smith on September, 2007 by the United States Patent and Trademark Office.		‌ A.O. Smith	United States Patent and Trademark Office	7271560	September 18, 2007
‌ US Patent 7098567 Brushless permanent magnet machine with reduced cogging and torque ripple and method of producing the same	Patent 7098567 was granted and assigned to A.O. Smith on August, 2006 by the United States Patent and Trademark Office.		‌ A.O. Smith	United States Patent and Trademark Office	7098567	August 29, 2006
‌ US Patent 7638913 Rotor core with spacers	Patent 7638913 was granted and assigned to A.O. Smith on December, 2009 by the United States Patent and Trademark Office.		‌ A.O. Smith	United States Patent and Trademark Office	7638913	December 29, 2009
‌ US Patent 7102324 Fixed speed drive	Patent 7102324 was granted and assigned to A.O. Smith on September, 2006 by the United States Patent and Trademark Office.		‌ A.O. Smith	United States Patent and Trademark Office	7102324	September 5, 2006
‌ US Patent 7923875 Assembly for an electric machine	Patent 7923875 was granted and assigned to A.O. Smith on April, 2011 by the United States Patent and Trademark Office.		‌ A.O. Smith	United States Patent and Trademark Office	7923875	April 12, 2011
‌ US Patent 7355520 Motor diagnostic indicator	Patent 7355520 was granted and assigned to A.O. Smith on April, 2008 by the United States Patent and Trademark Office.		‌ A.O. Smith	United States Patent and Trademark Office	7355520	April 8, 2008
‌ US Patent 9269517 Kind of anti-adhesion device, a heating apparatus including the device, and method of operating the same	Patent 9269517 was granted and assigned to A.O. Smith on February, 2016 by the United States Patent and Trademark Office.		‌ A.O. Smith	United States Patent and Trademark Office	9269517	February 23, 2016
‌ US Patent 8035273 Rotor assembly having two core portions each with a reduced back portion	Patent 8035273 was granted and assigned to A.O. Smith on October, 2011 by the United States Patent and Trademark Office.		‌ A.O. Smith	United States Patent and Trademark Office	8035273	October 11, 2011
‌ US Patent 8437626 Mixed energy heater with constant temperature control	Patent 8437626 was granted and assigned to A.O. Smith on May, 2013 by the United States Patent and Trademark Office.		‌ A.O. Smith	United States Patent and Trademark Office	8437626	May 7, 2013
‌ US Patent 7690897 Controller for a motor and a method of controlling the motor	Patent 7690897 was granted and assigned to A.O. Smith on April, 2010 by the United States Patent and Trademark Office.		‌ A.O. Smith	United States Patent and Trademark Office	7690897	April 6, 2010
‌ US Patent 7793679 Drain valve	Patent 7793679 was granted and assigned to A.O. Smith on September, 2010 by the United States Patent and Trademark Office.		‌ A.O. Smith	United States Patent and Trademark Office	7793679	September 14, 2010
‌ US Patent 7898131 External voltage change device	Patent 7898131 was granted and assigned to A.O. Smith on March, 2011 by the United States Patent and Trademark Office.		‌ A.O. Smith	United States Patent and Trademark Office	7898131	March 1, 2011
‌ US Patent 7765959 Water heater base	Patent 7765959 was granted and assigned to A.O. Smith on August, 2010 by the United States Patent and Trademark Office.		‌ A.O. Smith	United States Patent and Trademark Office	7765959	August 3, 2010
‌ US Patent 10823400 Multi-cavity gas and air mixing device	Patent 10823400 was granted and assigned to A.O. Smith on November, 2020 by the United States Patent and Trademark Office.	A. O. Smith	‌ A.O. Smith	United States Patent and Trademark Office	10823400	November 3, 2020
‌ US Patent 7610671 Method for assembling an electric motor using a slip fit tolerance ring	Patent 7610671 was granted and assigned to A.O. Smith on November, 2009 by the United States Patent and Trademark Office.		‌ A.O. Smith	United States Patent and Trademark Office	7610671	November 3, 2009

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