Growing community of inventors

Hoffman Estates, IL, United States of America

Roger K Nibert

Average Co-Inventor Count = 1.85

ph-index = 4

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 = 83

Roger K NibertClarence E Albertson (2 patents)Roger K NibertHoward S Okubo (2 patents)Roger K NibertWilliam D Sproul (1 patent)Roger K NibertRoger K Nibert (4 patents)Clarence E AlbertsonClarence E Albertson (14 patents)Howard S OkuboHoward S Okubo (2 patents)William D SproulWilliam D Sproul (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Borgwarner Inc. (4 from 2,680 patents)


4 patents:

1. 4670172 - Process and kit for working metals

2. 4477605 - Asbestos-free friction materials

3. 4446203 - Asbestos-free friction materials

4. 4062785 - Food-compatible lubricant

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as of
12/21/2025
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