Growing community of inventors

Sinking Spring, PA, United States of America

John F McGraw

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 = 7

John F McGraw ↔ David E Wert (1 patent)John F McGraw ↔ Raymond M Hemphill (1 patent)John F McGraw ↔ Michael L Schmidt (1 patent)John F McGraw ↔ Harrison A Garner, Jr (1 patent)John F McGraw ↔ Bruce A Smith (1 patent)John F McGrawJohn F McGraw (1 patent)David E WertDavid E Wert (10 patents)Raymond M HemphillRaymond M Hemphill (8 patents)Michael L SchmidtMichael L Schmidt (6 patents)Harrison A Garner, JrHarrison A Garner, Jr (2 patents)Bruce A SmithBruce A Smith (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Carpenter Technology Corporation (1 from 67 patents)


1 patent:

1. 4886640 - Hot work tool steel with good temper resistance

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12/8/2025
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