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Ephrata, PA, United States of America

Duane R Deardorff

Average Co-Inventor Count = 2.40

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 = 34

Duane R DeardorffBarry L Getz (1 patent)Duane R DeardorffWilliam W Mann (1 patent)Duane R DeardorffHugh J MacMaster (1 patent)Duane R DeardorffHugh J Macmaster (1 patent)Duane R DeardorffDuane R Deardorff (2 patents)Barry L GetzBarry L Getz (2 patents)William W MannWilliam W Mann (2 patents)Hugh J MacMasterHugh J MacMaster (1 patent)Hugh J MacmasterHugh J Macmaster (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sperry Corporation (1 from 1,032 patents)

2. New Holland Inc. (1 from 59 patents)

3. Barry L. Getz (0 patent)

4. Duane R. Deardorff (0 patent)

5. Hugh J. Macmaster (0 patent)


2 patents:

1. 4748803 - Windrow turner discharge chute

2. 4213571 - Dust system for a grinder-mixer

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1/3/2026
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