Growing community of inventors

Peoria, IL, United States of America

Daniel E Zimmerman

Average Co-Inventor Count = 3.00

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 = 3

Daniel E Zimmerman ↔ Michael Steven Freberg (1 patent)Daniel E Zimmerman ↔ Anupama N Reddy (1 patent)Daniel E ZimmermanDaniel E Zimmerman (1 patent)Michael Steven FrebergMichael Steven Freberg (7 patents)Anupama N ReddyAnupama N Reddy (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Caterpillar Inc. (1 from 9,457 patents)


1 patent:

1. 5979268 - Variable position detent mechanism for a control lever

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as of
12/21/2025
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