Growing community of inventors

Danville, CA, United States of America

John Metcalf

Average Co-Inventor Count = 2.00

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 = 2

John MetcalfRaymond E Camezon (1 patent)John MetcalfJohn Metcalf (1 patent)Raymond E CamezonRaymond E Camezon (10 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. California Processing Machinery (1 from 11 patents)


1 patent:

1. 5244685 - System and method for producing applesauce

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12/13/2025
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