Growing community of inventors

Racine, WI, United States of America

Donald C Freymuth

Average Co-Inventor Count = 6.00

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 = 8

Donald C FreymuthRobert L Turner (1 patent)Donald C FreymuthJeffrey S Hon (1 patent)Donald C FreymuthThomas F Petrykowski (1 patent)Donald C FreymuthDale K Lange (1 patent)Donald C FreymuthGerald J Paulus (1 patent)Donald C FreymuthDonald C Freymuth (1 patent)Robert L TurnerRobert L Turner (5 patents)Jeffrey S HonJeffrey S Hon (3 patents)Thomas F PetrykowskiThomas F Petrykowski (2 patents)Dale K LangeDale K Lange (1 patent)Gerald J PaulusGerald J Paulus (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Racine Railroad Products, Inc. (1 from 24 patents)


1 patent:

1. 5142987 - Automatic anchor applicator

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12/18/2025
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