Growing community of inventors

Grinnell, IA, United States of America

Daryl T Johnson

Average Co-Inventor Count = 2.35

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 = 87

Daryl T JohnsonDean A Knobloch (2 patents)Daryl T JohnsonEvan R Vande Haar (1 patent)Daryl T JohnsonTed L Hansen (1 patent)Daryl T JohnsonBrian D Clark (1 patent)Daryl T JohnsonTimothy D Dorenkamp (1 patent)Daryl T JohnsonWilliam R White (1 patent)Daryl T JohnsonDaryl T Johnson (4 patents)Dean A KnoblochDean A Knobloch (99 patents)Evan R Vande HaarEvan R Vande Haar (39 patents)Ted L HansenTed L Hansen (16 patents)Brian D ClarkBrian D Clark (10 patents)Timothy D DorenkampTimothy D Dorenkamp (2 patents)William R WhiteWilliam R White (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Cnh America LLC (2 from 969 patents)

2. Whirlpool Corporation (1 from 5,955 patents)

3. Maytag Corporation (1 from 741 patents)


4 patents:

1. 7387002 - Vibration damping pump bracket

2. 7156186 - Strip-till conditioning rotary reel

3. 6871709 - Strip-till primary tillage system

4. 6857295 - Tub mounted, vertically oriented pump

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idiyas.com
as of
12/31/2025
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