Growing community of inventors

Glen Mills, PA, United States of America

Karen Evans

Average Co-Inventor Count = 1.00

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 = 14

Karen EvansKaren Evans (5 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Sielox, LLC (4 from 6 patents)

2. Sietox, LLC (1 from 1 patent)


5 patents:

1. 11803653 - Emergency notification system and methods

2. 11163901 - Emergency notification system and methods

3. 11017106 - Emergency notification, access control, and monitoring systems and methods

4. 10503921 - Emergency notification system and methods

5. 9299236 - Emergency notification system and methods

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as of
12/30/2025
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