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USPTO Data Jan 1 1976 - Oct 6 2026
383 Patents
#5 in Milwaukee, WI
#23 in Wisconsin
#1,206 in US
#2,412 in the World
A.o. Smith Corporation
Forward Citations = 4,556
332 inventors:
Milwaukee, WI, United States of America
A.o. Smith Corporation
% Expired Patents = 12.0
CIPO Patents = 11
EPO Patents = 8
Trademarks = 62
Forward Citations = 4,556
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332 inventors (with patents filed for the assignee):
Brian Thomas Branecky (38 out of 46 patents)
Dan Mircea Ionel (26 out of 34 patents)
Stephen J Dellinger (17 out of 19 patents)
4. Alan Edward Lesak (16 out of 18 patents)
5. William Louis Mehlhorn (15 out of 23 patents)
6. Terry G Phillips (13 out of 22 patents)
7. Chih Min Lin (13 out of 18 patents)
8. Timothy H Houle (12 out of 13 patents)
9. Dayan Bi (11 out of 11 patents)
10. Wade C Patterson (11 out of 42 patents)
11. William James Watkins (10 out of 14 patents)
12. Robert E Lykes (10 out of 10 patents)
13. James L King (10 out of 22 patents)
14. Phillip C Ruehl (9 out of 16 patents)
15. Norman Richard Long (9 out of 9 patents)
Core Competencies:
Water Heater
Filtration System
Tankless Design
Thermal Storage
Gas Water Heating
Heat Pump
UV Sterilization
Condensing Heat Exchanger
Control Method
Anode Control
Flow Sensor
Water Purifier
383 patents:
Company Overview
A.O. Smith Corporation, headquartered in Milwaukee, WI, specializes in the development and manufacturing of advanced water heating systems. The company is recognized for its innovative solutions in water heaters, including tankless designs and gas water heating technologies. A.O. Smith also focuses on filtration systems and thermal storage, enhancing energy efficiency and water quality. With a commitment to sustainability, the organization integrates technologies such as heat pumps and UV sterilization into its product offerings, serving both residential and commercial markets.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: A.o. Smith Corporation. Retrieved from https://idiyas.com/company/a-o-smith
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
11 patents (CIPO):
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
8 patents (EPO):
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]