Growing community of inventors

Chillicothe, IL, United States of America

Joel Robert Frerichs

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 = 12

Joel Robert Frerichs ↔ Jeffrey Edward Jensen (1 patent)Joel Robert Frerichs ↔ Marvin K Palmer (1 patent)Joel Robert Frerichs ↔ Lisa Marie Christopherson (1 patent)Joel Robert FrerichsJoel Robert Frerichs (1 patent)Jeffrey Edward JensenJeffrey Edward Jensen (26 patents)Marvin K PalmerMarvin K Palmer (9 patents)Lisa Marie ChristophersonLisa Marie Christopherson (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Caterpillar Inc. (1 from 9,471 patents)


1 patent:

1. 7165530 - Method for controlling a variable-speed engine

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