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Warren, OH, United States of America

Ajax Tocco Magnethermic Corporation

USPTO Granted Patents = 30

CIPO Patents = 8

EPO Patents = 9

Trademarks = 35

Forward Citations = 59

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27 inventors (with patents filed for the assignee):

Ronald R Akers (8 out of 8 patents)

Anthony M Tenzek (7 out of 10 patents)

David A Lazor (6 out of 9 patents)

4. Richard McKelvey (5 out of 5 patents)

5. Alan A Koch (3 out of 3 patents)

6. Robert John Madeira (3 out of 3 patents)

7. Edward Scott Jackson (3 out of 9 patents)

8. David O Warren (3 out of 17 patents)

9. Gary M Campbell (2 out of 2 patents)

10. Dennis McKinney (2 out of 2 patents)

11. Tom Illencik (2 out of 2 patents)

12. Theodore E Burke (2 out of 3 patents)

13. Michael Aronov (2 out of 2 patents)

14. Michael Faber (1 out of 1 patent)

15. Anthony Dellapenna (1 out of 1 patent)

30 patents: Sort by Forward Citations

1. 12338501 - Continuous intensive quenching apparatus (2025-06-24),

2. 12031189 - Continuous intensive quenching apparatus (2024-07-09),

3. 9677700 - Pipe heating apparatus and methods for uniform end heating and controlled heating length (2017-06-13),

4. 9574826 - Crucible and dual frequency control method for semi-liquid metal processing (2017-02-21),

5. 9482470 - Process and method for hot changing a VIM induction furnace (2016-11-01),

6. 9462641 - Transverse flux strip heating with DC edge saturation (2016-10-04),

7. 9133530 - High magnetic hardening assembly and method (2015-09-15),

8. 8728196 - Semi-liquid metal processing and sensing device and method of using same (2014-05-20),

9. 8642932 - System and method for crankshaft hardening (2014-02-04),

10. 8571085 - Induction furnace for the controllable melting of powder/granular materials (2013-10-29),

11. 8543178 - Superconductor induction coil (2013-09-24),

12. 8540827 - Undercut crankshaft hardening coil (2013-09-24),

13. 8502631 - Three-phase line reactor with skew yoke core design (2013-08-06),

14. 8399815 - Apparatus and method for hardening bearing surfaces of a crankshaft (2013-03-19),

15. 8372222 - Method of producing locally austempered ductile iron (2013-02-12),

Ajax Tocco Magnethermic Corporation is a global leader in induction heating technology. They provide innovative and efficient heating solutions for various industries such as automotive, aerospace, energy, and more. With over 100 years of experience, their advanced induction systems and equipment offer precise and consistent heating for improved productivity and quality. Visit their website for more information and to explore their range of products and services.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

30 Patents

#3 in Warren, OH

#463 in Ohio

#10,859 in US

#21,181 in the World

Warren, OH, United States of America

Ajax Tocco Magnethermic Corporation

Forward Citations = 59

27 inventors:

Ronald R Akers (8 out of 8 patents)

Anthony M Tenzek (7 out of 10 patents)

David A Lazor (6 out of 9 patents)

4. Richard McKelvey (5 out of 5 patents)

5. Alan A Koch (3 out of 3 patents)

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