Growing community of inventors

Wooster, OH, United States of America

Mark Geis

Average Co-Inventor Count = 5.00

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 = 8

Mark Geis ↔ Richard R Lewellen (1 patent)Mark Geis ↔ James A Sigler (1 patent)Mark Geis ↔ Edward F McKiernan (1 patent)Mark Geis ↔ Richard W Sprang (1 patent)Mark GeisMark Geis (1 patent)Richard R LewellenRichard R Lewellen (30 patents)James A SiglerJames A Sigler (27 patents)Edward F McKiernanEdward F McKiernan (19 patents)Richard W SprangRichard W Sprang (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sealand Technology, Inc. (1 from 36 patents)


1 patent:

1. 4854827 - Sanitary pump station

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as of
12/31/2025
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