For the Inventor, By the Inventor

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Plymouth, MI, United States of America

Prestolite Electric Inc.

USPTO Granted Patents = 16

% Expired Patents = 31.3

Trademarks = 8

Forward Citations = 181

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21 inventors (with patents filed for the assignee):

Robert David Hall (4 out of 8 patents)

Joe K Hammer (3 out of 3 patents)

Alan H Fitzsimmons (3 out of 3 patents)

4. Michael J Hanchett (2 out of 2 patents)

5. Andrew Cawse (2 out of 2 patents)

6. Aleksandar Hrnjak (2 out of 3 patents)

7. James David Plenzler (2 out of 3 patents)

8. Clive Harley (2 out of 2 patents)

9. Daniel E Bartman (2 out of 2 patents)

10. Hans Greutmann (2 out of 3 patents)

11. German Holguin (1 out of 1 patent)

12. Richard D Forster (1 out of 2 patents)

13. William J Roberts (1 out of 10 patents)

14. Scott L Nofzinger (1 out of 1 patent)

15. Kimberly Scott (1 out of 1 patent)

16 patents: Sort by Forward Citations

1. 12379417 - Method and arrangement for determining the functionality of an alternator (2025-08-05),

2. 10897176 - Systems and methods for cooling a drive end bearing (2021-01-19),

3. 9013076 - Systems and methods for cooling a drive end bearing (2015-04-21),

4. 8669835 - Soft-start systems and methods for vehicle starters (2014-03-11),

5. 8476997 - Soft-start systems and methods for vehicle starters (2013-07-02),

6. 7782023 - Multipower voltage regulator (2010-08-24),

7. 6608422 - Alternator with an electric contact bearing assembly (2003-08-19),

8. 6489702 - Alternator (2002-12-03),

9. 6424243 - Magnetic latching contactor (2002-07-23),

10. 5058021 - Distributorless ignition system with dwell control (1991-10-15),

11. 4967136 - Battery equalization circuit for a dual voltage charging system (1990-10-30),

12. 4967037 - Driving circuit for a capacitor discharge ignition system (1990-10-30),

13. 4953284 - Method for retaining a magnet within a motor assembly (1990-09-04),

14. 4918348 - Brush wear indicator (1990-04-17),

15. 4916344 - Motor magnet shield retention assembly (1990-04-10),

Company Overview

Prestolite Electric Inc., headquartered in Plymouth, MI, specializes in the design and manufacture of advanced electrical systems and components for various industries, including automotive and commercial vehicles. The company is known for its innovative solutions in power generation, including alternators and starters, which are critical for vehicle performance and efficiency. Prestolite Electric is committed to enhancing the reliability and functionality of electrical systems, leveraging cutting-edge technology to meet the evolving needs of its global clientele.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

16 Patents

#24 in Plymouth, MI

#713 in Michigan

#19,922 in US

#37,831 in the World

Plymouth, MI, United States of America

Prestolite Electric Inc.

Forward Citations = 181

21 inventors:

Robert David Hall (4 out of 8 patents)

Joe K Hammer (3 out of 3 patents)

Alan H Fitzsimmons (3 out of 3 patents)

4. Michael J Hanchett (2 out of 2 patents)

5. Andrew Cawse (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Prestolite Electric Inc.. Retrieved from https://idiyas.com/company/prestolite-electric

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]

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