Growing community of inventors

Luther, MI, United States of America

David S DeWinter

Average Co-Inventor Count = 1.20

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 = 41

David S DeWinterBrian J Conaway (1 patent)David S DeWinterTerry M Birchler (1 patent)David S DeWinterDavid S DeWinter (4 patents)Brian J ConawayBrian J Conaway (26 patents)Terry M BirchlerTerry M Birchler (25 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (3 from 832,843 patents)

2. Uniontools, Inc. (1 from 30 patents)


4 patents:

1. 8100447 - Shovel with multiple blade faces

2. D517876 - Bow rake

3. 6959454 - Structure with extendable leaves

4. 6722115 - Rake with extendable material-moving implement

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12/26/2025
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