Growing community of inventors

Northwoods, IL, United States of America

John Howard

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 = 23

John HowardRobert William Machacek (1 patent)John HowardPaul J Hoffman (1 patent)John HowardDaniel A Maust (1 patent)John HowardT C Mathew (1 patent)John HowardJohn Desautels (1 patent)John HowardJohn Howard (1 patent)Robert William MachacekRobert William Machacek (12 patents)Paul J HoffmanPaul J Hoffman (8 patents)Daniel A MaustDaniel A Maust (6 patents)T C MathewT C Mathew (1 patent)John DesautelsJohn Desautels (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Fire Design LLC (1 from 3 patents)


1 patent:

1. 6267113 - Free standing fireplace hearth

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as of
12/15/2025
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