Growing community of inventors

Deltona, FL, United States of America

Kenneth Chapman

Average Co-Inventor Count = 5.33

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 = 17

Kenneth ChapmanFrances Spidare (2 patents)Kenneth ChapmanJames Zhou (2 patents)Kenneth ChapmanRoger Wang (2 patents)Kenneth ChapmanJohn E Owens (1 patent)Kenneth ChapmanRussell Pizzuto (1 patent)Kenneth ChapmanRichard Li (1 patent)Kenneth ChapmanChris Jaeger (1 patent)Kenneth ChapmanKenneth Chapman (2 patents)Frances SpidareFrances Spidare (3 patents)James ZhouJames Zhou (2 patents)Roger WangRoger Wang (2 patents)John E OwensJohn E Owens (9 patents)Russell PizzutoRussell Pizzuto (1 patent)Richard LiRichard Li (1 patent)Chris JaegerChris Jaeger (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Invacare Corporation (2 from 320 patents)


2 patents:

1. 8272084 - Patient lift with hanger bar attachment

2. 8250687 - Patient lift with adjustable knee pads and sling hooks

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as of
1/2/2026
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