Growing community of inventors

Greenfield, WI, United States of America

John W Sigrist

Average Co-Inventor Count = 3.60

ph-index = 2

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 = 51

John W Sigrist ↔ Carl T Tiefenthaler (2 patents)John W Sigrist ↔ Bart Mayer (2 patents)John W Sigrist ↔ Michael Schultz (2 patents)John W Sigrist ↔ Elliot J Matel (1 patent)John W Sigrist ↔ Jeffrey H Whitmore (1 patent)John W SigristJohn W Sigrist (3 patents)Carl T TiefenthalerCarl T Tiefenthaler (21 patents)Bart MayerBart Mayer (20 patents)Michael SchultzMichael Schultz (9 patents)Elliot J MatelElliot J Matel (7 patents)Jeffrey H WhitmoreJeffrey H Whitmore (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Briggs & Stratton, LLC (3 from 778 patents)


3 patents:

1. 9677600 - Connecting rod system for an engine

2. D615557 - Rewind cover for an engine

3. D594476 - Cover for an engine

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as of
12/8/2025
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