Growing community of inventors

Rochester, MI, United States of America

Robert D Kranker

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 = 6

Robert D KrankerJohn M Cole (1 patent)Robert D KrankerRobert D Kranker (1 patent)John M ColeJohn M Cole (14 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Cole Carbide Industries, Inc. (1 from 3 patents)


1 patent:

1. 7736099 - Gear milling tool with replaceable cutting inserts

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as of
12/13/2025
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