Growing community of inventors

Waterloo, IA, United States of America

D Keith Dewey

Average Co-Inventor Count = 7.00

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 = 40

D Keith Dewey ↔ Terence Daniel Pickett (1 patent)D Keith Dewey ↔ Frederick William Nelson (1 patent)D Keith Dewey ↔ Duane Herbert Ziegler (1 patent)D Keith Dewey ↔ Kenneth D Friend (1 patent)D Keith Dewey ↔ Frederick W Nelson (1 patent)D Keith Dewey ↔ Charles P Barbaro (1 patent)D Keith Dewey ↔ Steven L Wildemuth (1 patent)D Keith Dewey ↔ Duane H Ziegler (1 patent)D Keith DeweyD Keith Dewey (1 patent)Terence Daniel PickettTerence Daniel Pickett (54 patents)Frederick William NelsonFrederick William Nelson (35 patents)Duane Herbert ZieglerDuane Herbert Ziegler (11 patents)Kenneth D FriendKenneth D Friend (4 patents)Frederick W NelsonFrederick W Nelson (1 patent)Charles P BarbaroCharles P Barbaro (1 patent)Steven L WildemuthSteven L Wildemuth (1 patent)Duane H ZieglerDuane H Ziegler (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Deere & Company (1 from 8,489 patents)

2. Charles P. Barbaro (0 patent)

3. Duane H. Ziegler (0 patent)

4. Kenneth D. Friend (0 patent)

5. Terence D. Pickett (0 patent)

6. D. Keith Dewey (0 patent)

7. Frederick W. Nelson (0 patent)

8. Steven L. Wildemuth (0 patent)


1 patent:

1. 4967544 - Automatic speed control system for a harvesting assembly

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/2/2026
Loading…