Growing community of inventors

Cincinnati, OH, United States of America

Bob Hale

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 = 4

Bob HaleCharles Culp (4 patents)Bob HaleGreg Kemner (4 patents)Bob HaleBob Hale (4 patents)Charles CulpCharles Culp (4 patents)Greg KemnerGreg Kemner (4 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Essex Industries, Inc. (4 from 31 patents)


4 patents:

1. 11960314 - Collective control system for a rotorcraft

2. 10890936 - Collective control system for a rotorcraft

3. D897929 - Controller for rotorcraft

4. 10591948 - Collective control system for a rotorcraft

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as of
1/9/2026
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