Growing community of inventors

Yakima, WA, United States of America

David C Rankin

Average Co-Inventor Count = 5.00

ph-index = 1

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 = 5

David C RankinLoren Steenhoek (2 patents)David C RankinMarc L Harris (2 patents)David C RankinTeddy W Bellamy (2 patents)David C RankinMichael L Yearout (2 patents)David C RankinDavid C Rankin (2 patents)Loren SteenhoekLoren Steenhoek (6 patents)Marc L HarrisMarc L Harris (3 patents)Teddy W BellamyTeddy W Bellamy (3 patents)Michael L YearoutMichael L Yearout (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. E.i. Dupont De Nemours and Company (1 from 16,338 patents)

2. Rankin Equipment Co (1 from 2 patents)

3. E I Du Pont De Nemours and Company Rankin Equipment Co (1 from 1 patent)


2 patents:

1. 8733074 - System and apparatus for enabling raking and baling material in a single pass

2. 8601781 - System and apparatus for enabling raking and baling material in a single pass

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as of
12/21/2025
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