Growing community of inventors

Pennsylvania Furnace, PA, United States of America

Keith Graham Carr

Average Co-Inventor Count = 4.00

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

Keith Graham Carr ↔ Charles Patrick Maggi (1 patent)Keith Graham Carr ↔ Brian James Poillucci (1 patent)Keith Graham Carr ↔ Frank L Carbalan (1 patent)Keith Graham CarrKeith Graham Carr (1 patent)Charles Patrick MaggiCharles Patrick Maggi (1 patent)Brian James PoillucciBrian James Poillucci (1 patent)Frank L CarbalanFrank L Carbalan (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Cannon Instrument Company (1 from 6 patents)


1 patent:

1. 8047059 - Viscometer with integral sample retention reservoir

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1/22/2026
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