Growing community of inventors

Raleigh, NC, United States of America

Carl F Blackman

Average Co-Inventor Count = 2.00

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 = 9

Carl F BlackmanJanie P Blanchard (2 patents)Carl F BlackmanCarl F Blackman (2 patents)Janie P BlanchardJanie P Blanchard (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. The United States of America As Represented by the Administrator of the U.S. Environmental Protection Agency (1 from 133 patents)

2. The United States of America As Represented by the Environmental (1 from 9 patents)


2 patents:

1. 6238899 - Method and apparatus for altering ionic interactions with magnetic fields

2. 5919679 - Method and apparatus for altering ionic interactions with magnetic fields

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as of
12/18/2025
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