Growing community of inventors

Alpharetta, GA, United States of America

David W Johnson

Average Co-Inventor Count = 1.71

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 = 12

David W JohnsonAlison Salyer Bagwell (1 patent)David W JohnsonJames Frederick Schumacher (1 patent)David W JohnsonMartin S Shamis (1 patent)David W JohnsonWilliam E Conley (1 patent)David W JohnsonJames F Schumacher (1 patent)David W JohnsonJames F Schumacher (0 patent)David W JohnsonDavid W Johnson (4 patents)Alison Salyer BagwellAlison Salyer Bagwell (22 patents)James Frederick SchumacherJames Frederick Schumacher (11 patents)Martin S ShamisMartin S Shamis (10 patents)William E ConleyWilliam E Conley (3 patents)James F SchumacherJames F Schumacher (5 patents)James F SchumacherJames F Schumacher (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kimberly-Clark Worldwide, Inc. (3 from 5,278 patents)

2. Avent, Inc. (1 from 310 patents)


4 patents:

1. 9821130 - Multi-diameter pediatric tracheal cuff

2. 8353883 - Elastomeric glove containing a foam donning layer

3. 7582343 - Elastomeric article with fine colloidal silica surface treatment, and its preparation

4. 6887542 - Method for treating an elastomeric article

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as of
1/9/2026
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