Growing community of inventors

Freeport, MI, United States of America

Charles G Humphrey

Average Co-Inventor Count = 17.99

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 = 156

Charles G HumphreyMark T Slager (3 patents)Charles G HumphreyMichael L Deimen (3 patents)Charles G HumphreyRandall P Nelsen (3 patents)Charles G HumphreyMichael E Wurth (3 patents)Charles G HumphreyTerence M Duncan (3 patents)Charles G HumphreyRoyal A Kent (3 patents)Charles G HumphreyEdmund X Klipa (3 patents)Charles G HumphreyThomas R Maas (3 patents)Charles G HumphreyJon R Mullen (3 patents)Charles G HumphreyGale F Wilcox (3 patents)Charles G HumphreyLinda M Parker (3 patents)Charles G HumphreyAlan L Pearson (3 patents)Charles G HumphreyCarolyn M Varellas-Olree (3 patents)Charles G HumphreyDavid A Feutz (3 patents)Charles G HumphreyJames G Paulsen (3 patents)Charles G HumphreyGary H Grund (3 patents)Charles G HumphreyCraig S DeDamos (3 patents)Charles G HumphreyCharles G Humphrey (3 patents)Mark T SlagerMark T Slager (39 patents)Michael L DeimenMichael L Deimen (28 patents)Randall P NelsenRandall P Nelsen (18 patents)Michael E WurthMichael E Wurth (10 patents)Terence M DuncanTerence M Duncan (8 patents)Royal A KentRoyal A Kent (8 patents)Edmund X KlipaEdmund X Klipa (7 patents)Thomas R MaasThomas R Maas (6 patents)Jon R MullenJon R Mullen (6 patents)Gale F WilcoxGale F Wilcox (5 patents)Linda M ParkerLinda M Parker (5 patents)Alan L PearsonAlan L Pearson (5 patents)Carolyn M Varellas-OlreeCarolyn M Varellas-Olree (5 patents)David A FeutzDavid A Feutz (4 patents)James G PaulsenJames G Paulsen (4 patents)Gary H GrundGary H Grund (4 patents)Craig S DeDamosCraig S DeDamos (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Steelcase Inc. (3 from 1,812 patents)


3 patents:

1. 5220871 - Modular furniture

2. 5094174 - Modular furniture

3. 5092253 - Modular furniture

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as of
1/6/2026
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