Growing community of inventors

Irondale, AL, United States of America

David B Derryberry

Average Co-Inventor Count = 2.00

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 = 14

David B DerryberryKenneth R Blackwood (1 patent)David B DerryberryDavid B Derryberry (1 patent)Kenneth R BlackwoodKenneth R Blackwood (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Ashbrook Simon-hartley, LP (1 from 13 patents)


1 patent:

1. 5049486 - Temperature monitoring apparatus and method in a composting system

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12/17/2025
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