Growing community of inventors

San Mateo, CA, United States of America

John Shield

Average Co-Inventor Count = 4.00

ph-index = 3

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 = 32

John ShieldWilliam J Kohr (3 patents)John ShieldVandy Shrader (3 patents)John ShieldChris Johansson (3 patents)John ShieldJohn Shield (3 patents)William J KohrWilliam J Kohr (69 patents)Vandy ShraderVandy Shrader (9 patents)Chris JohanssonChris Johansson (9 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Geobiotics, LLC (3 from 39 patents)


3 patents:

1. 6086656 - Method for improving the heap biooxidation rate of refractory sulfide

2. 5779762 - Method for improving the heap biooxidation rate of refractory sulfide

3. 5688304 - Method for improving the heap biooxidation rate of refractory sulfide

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12/16/2025
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