Growing community of inventors

Houston, TX, United States of America

Charles N Gricher

Average Co-Inventor Count = 8.00

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 = 3

Charles N GricherGuy LaMont McClung, Iii (1 patent)Charles N GricherKenneth W Seyffert (1 patent)Charles N GricherThomas C Adams (1 patent)Charles N GricherDavid Lee Schulte, Jr (1 patent)Charles N GricherVincent D Leone (1 patent)Charles N GricherKerry Ward (1 patent)Charles N GricherJefrey E Walker (1 patent)Charles N GricherCharles N Gricher (1 patent)Guy LaMont McClung, IiiGuy LaMont McClung, Iii (101 patents)Kenneth W SeyffertKenneth W Seyffert (66 patents)Thomas C AdamsThomas C Adams (43 patents)David Lee Schulte, JrDavid Lee Schulte, Jr (20 patents)Vincent D LeoneVincent D Leone (16 patents)Kerry WardKerry Ward (7 patents)Jefrey E WalkerJefrey E Walker (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Varco I/p, Inc. (1 from 191 patents)


1 patent:

1. 6932883 - Screens for vibratory separators

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as of
12/6/2025
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