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Evansville, WI, United States of America

Otto Knottnerus

Average Co-Inventor Count = 3.00

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 = 1

Otto KnottnerusLarry Langmeier (2 patents)Otto KnottnerusMark Berger (2 patents)Otto KnottnerusOtto Knottnerus (2 patents)Larry LangmeierLarry Langmeier (2 patents)Mark BergerMark Berger (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Harvard Corporation (2 from 12 patents)


2 patents:

1. 8617404 - Fluid filter apparatus and methods

2. 7938971 - Fluid filter apparatus and methods

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12/31/2025
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