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Grass Valley, CA, United States of America

Carl E Frahme

Average Co-Inventor Count = 5.00

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 = 16

Carl E FrahmeRobert Donald Villwock (3 patents)Carl E FrahmeRoss Guenther (3 patents)Carl E FrahmeJames L Wood (3 patents)Carl E FrahmeIan I Chang (3 patents)Carl E FrahmeCarl E Frahme (3 patents)Robert Donald VillwockRobert Donald Villwock (9 patents)Ross GuentherRoss Guenther (8 patents)James L WoodJames L Wood (4 patents)Ian I ChangIan I Chang (3 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Ceramext, LLC (3 from 4 patents)


3 patents:

1. 8901023 - Synthesized hybrid rock composition, method, and article formed by the method

2. 8216955 - Synthesized hybrid rock composition, method, and article formed by the method

3. 7704907 - Synthesized hybrid rock composition, method, and article formed by the method

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12/7/2025
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