Growing community of inventors

Park Ridge, IL, United States of America

Robert G Grandi

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 = 94

Robert G Grandi ↔ John H Haglund (1 patent)Robert G GrandiRobert G Grandi (1 patent)John H HaglundJohn H Haglund (3 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. The Kanthal Corporation (1 from 25 patents)


1 patent:

1. 4207457 - Porcupine wire coil electric resistance fluid heater

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as of
12/19/2025
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