Growing community of inventors

Pleasantville, IA, United States of America

Chad A Bartels

Average Co-Inventor Count = 6.00

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 = 3

Chad A Bartels ↔ Louis Carl Hartke (1 patent)Chad A Bartels ↔ David Joseph Hackman (1 patent)Chad A Bartels ↔ Orin L Miller (1 patent)Chad A Bartels ↔ Daniel L Gustafson (1 patent)Chad A Bartels ↔ John W Philbrook (1 patent)Chad A Bartels ↔ John Wesley Philbrook (0 patent)Chad A BartelsChad A Bartels (1 patent)Louis Carl HartkeLouis Carl Hartke (9 patents)David Joseph HackmanDavid Joseph Hackman (2 patents)Orin L MillerOrin L Miller (1 patent)Daniel L GustafsonDaniel L Gustafson (1 patent)John W PhilbrookJohn W Philbrook (1 patent)John Wesley PhilbrookJohn Wesley Philbrook (0 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Vermeer Manufacturing Company, Inc. (1 from 469 patents)


1 patent:

1. 9945180 - Drilling machine and method

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idiyas.com
as of
12/17/2025
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