Growing community of inventors

Perrysburg, OH, United States of America

Edward M Hehl

Average Co-Inventor Count = 2.00

ph-index = 3

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 = 35

Edward M HehlPeter T Swartzbaugh (3 patents)Edward M HehlEdward M Hehl (3 patents)Peter T SwartzbaughPeter T Swartzbaugh (12 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Owens-illinois, Inc. (3 from 1,109 patents)


3 patents:

1. 4540099 - Tamper indicating package

2. 4527706 - Tamper indicating package

3. 4503985 - Tamper indicating package with large diameter opening

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as of
12/31/2025
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