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Chicago, IL, United States of America

Douglas W Stein

Average Co-Inventor Count = 3.00

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 = 53

Douglas W Stein ↔ Bruce E Ancona (4 patents)Douglas W Stein ↔ Daniel Winigrad (4 patents)Douglas W Stein ↔ Bruce Ancona (1 patent)Douglas W Stein ↔ Daniel Winegrad (1 patent)Douglas W SteinDouglas W Stein (5 patents)Bruce E AnconaBruce E Ancona (57 patents)Daniel WinigradDaniel Winigrad (5 patents)Bruce AnconaBruce Ancona (184 patents)Daniel WinegradDaniel Winegrad (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ekco Housewares, Inc. (4 from 62 patents)

2. World Kitchen, Inc. (1 from 55 patents)


5 patents:

1. 6374500 - Collapsible barbecue tools

2. 6266885 - Collapsible barbecue tools

3. 6170161 - Collapsible barbecue tools

4. 6047476 - Collapsible barbecue tools

5. 5774994 - Collapsible barbecue tools

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idiyas.com
as of
12/18/2025
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