Growing community of inventors

Baltimore, MD, United States of America

Susan G Ehrlich

Average Co-Inventor Count = 3.43

ph-index = 2

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 = 30

Susan G Ehrlich ↔ Robert A Wiercinski (2 patents)Susan G Ehrlich ↔ James M Gaidis (2 patents)Susan G Ehrlich ↔ Robert F Jenkins (1 patent)Susan G Ehrlich ↔ Robert A Wiercinski (1 patent)Susan G EhrlichSusan G Ehrlich (2 patents)Robert A WiercinskiRobert A Wiercinski (38 patents)James M GaidisJames M Gaidis (30 patents)Robert F JenkinsRobert F Jenkins (8 patents)Robert A WiercinskiRobert A Wiercinski (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. W. R. Grace Co.-Conn. (2 from 1,391 patents)

2. James M. Gaidis (0 patent)

3. Robert a. Wiercinski (0 patent)

4. Susan G. Ehrlich (0 patent)


2 patents:

1. 5270373 - Aqueous-based waterproofing primer system and method

2. 5145748 - Waterproofing system for water-penetrable construction surfaces

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as of
1/16/2026
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