Growing community of inventors

Wyoming, MI, United States of America

Douglas K Feenstra

Average Co-Inventor Count = 2.27

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 = 36

Douglas K FeenstraRonald C Jackson (3 patents)Douglas K FeenstraErnest H Brumbaugh (1 patent)Douglas K FeenstraRobert D Faber (1 patent)Douglas K FeenstraDavid M Flower (1 patent)Douglas K FeenstraKalliopi S Haley (1 patent)Douglas K FeenstraDonald W Bushman (1 patent)Douglas K FeenstraDouglas K Feenstra (5 patents)Ronald C JacksonRonald C Jackson (7 patents)Ernest H BrumbaughErnest H Brumbaugh (16 patents)Robert D FaberRobert D Faber (14 patents)David M FlowerDavid M Flower (8 patents)Kalliopi S HaleyKalliopi S Haley (5 patents)Donald W BushmanDonald W Bushman (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Access Business Group International LLC (5 from 518 patents)


5 patents:

1. 8454757 - Phosphate and phosphonate-free automatic gel dishwashing detergent providing improved spotting and filming performance

2. 8385730 - Air care unit allowing for customization of fragrance strength and character

3. 8343904 - Phosphate and phosphonate-free automatic gel dishwashing detergent providing improved spotting and filming performance

4. 8057830 - Cleansing compositions and methods of reducing skin irritation

5. 7781387 - Automatic phosphate-free dishwashing detergent providing improved spotting and filming performance

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1/2/2026
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