Growing community of inventors

Port Hope, Canada

John A Spragge

Average Co-Inventor Count = 3.00

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 = 138

John A SpraggeJames Daniel Moore, Jr (2 patents)John A SpraggeBarry Hiscock (1 patent)John A SpraggeBrian L Smith (1 patent)John A SpraggeJohn A Spragge (2 patents)James Daniel Moore, JrJames Daniel Moore, Jr (10 patents)Barry HiscockBarry Hiscock (5 patents)Brian L SmithBrian L Smith (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Eco-block, LLC (2 from 5 patents)


2 patents:

1. 6609340 - Concrete structures and methods of forming the same using extenders

2. 6438918 - Latching system for components used in forming concrete structures

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as of
12/17/2025
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