Growing community of inventors

Findlay, OH, United States of America

Peter V Cawlfield

Average Co-Inventor Count = 9.00

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 = 10

Peter V Cawlfield ↔ Timothy D Birthisel (1 patent)Peter V Cawlfield ↔ James W Welshimer (1 patent)Peter V Cawlfield ↔ Nadine C Dunn (1 patent)Peter V Cawlfield ↔ David L Ashworth (1 patent)Peter V Cawlfield ↔ Gerald L Gingrich (1 patent)Peter V Cawlfield ↔ Paul Weinstein (1 patent)Peter V Cawlfield ↔ Kim W Venable (1 patent)Peter V Cawlfield ↔ Karissa L Fox (1 patent)Peter V Cawlfield ↔ Paul Weinstein (1 patent)Peter V CawlfieldPeter V Cawlfield (1 patent)Timothy D BirthiselTimothy D Birthisel (24 patents)James W WelshimerJames W Welshimer (5 patents)Nadine C DunnNadine C Dunn (2 patents)David L AshworthDavid L Ashworth (1 patent)Gerald L GingrichGerald L Gingrich (1 patent)Paul WeinsteinPaul Weinstein (1 patent)Kim W VenableKim W Venable (1 patent)Karissa L FoxKarissa L Fox (1 patent)Paul WeinsteinPaul Weinstein (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 832,812 patents)

2. The National Lime and Stone Company (7 patents)

3. The Andersons Agriservices, Inc. (2 patents)


1 patent:

1. 6231660 - Manufactured granular substrate and method for producing the same

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as of
12/19/2025
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