Growing community of inventors

Chicago, IL, United States of America

Duncan K Grant

Average Co-Inventor Count = 3.50

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 = 16

Duncan K Grant ↔ Kenneth G Grant (4 patents)Duncan K Grant ↔ Frank Z Asztalos (4 patents)Duncan K Grant ↔ Chadwick Aaron Shaffer (1 patent)Duncan K Grant ↔ Patrick J Shaver (1 patent)Duncan K Grant ↔ Christina O Swanson (1 patent)Duncan K GrantDuncan K Grant (4 patents)Kenneth G GrantKenneth G Grant (5 patents)Frank Z AsztalosFrank Z Asztalos (4 patents)Chadwick Aaron ShafferChadwick Aaron Shaffer (49 patents)Patrick J ShaverPatrick J Shaver (3 patents)Christina O SwansonChristina O Swanson (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Toro Company (4 from 825 patents)


4 patents:

1. D1044880 - Lawn mower housing

2. D1017646 - Lawn mower housing

3. D1008315 - Lawn mower bumper

4. D978921 - Lawn mower housing

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as of
1/21/2026
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