Growing community of inventors

Canton, OH, United States of America

Stephen P Ripple

Average Co-Inventor Count = 4.00

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 = 0

Stephen P RippleGregory H Butcher (2 patents)Stephen P RippleNeil Albert Zumberger (2 patents)Stephen P RippleRobert Dean Turnbull (2 patents)Stephen P RippleStephen P Ripple (2 patents)Gregory H ButcherGregory H Butcher (41 patents)Neil Albert ZumbergerNeil Albert Zumberger (19 patents)Robert Dean TurnbullRobert Dean Turnbull (6 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Stolle Machinery Company, LLC (2 from 239 patents)


2 patents:

1. 9802239 - Rotary valve system

2. 9476512 - Rotary valve system

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as of
12/16/2025
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