Growing community of inventors

Akron, OH, United States of America

William Charles Breen

Average Co-Inventor Count = 1.33

ph-index = 4

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 63

William Charles BreenRichard E Schulman (2 patents)William Charles BreenWilliam Charles Breen (4 patents)Richard E SchulmanRichard E Schulman (5 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (3 from 832,812 patents)

2. Deaccelerator Corporation (1 from 3 patents)


4 patents:

1. 5845986 - Light for manual rotary tool

2. 5086583 - Method and apparatus for holding cut trees

3. 4574757 - Behavioral fuel-saving method for a motor vehicle

4. 4270501 - Behavioral fuel-saving method and apparatus for a motor vehicle

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as of
12/21/2025
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