Growing community of inventors

Isanti, MN, United States of America

Douglas W Halverson

Average Co-Inventor Count = 7.00

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 = 67

Douglas W Halverson ↔ Jason William Kopacz (2 patents)Douglas W Halverson ↔ Tobin Dale Rasmusson (2 patents)Douglas W Halverson ↔ Brett Wayne Engel (2 patents)Douglas W Halverson ↔ Joseph P Spree (2 patents)Douglas W Halverson ↔ Tony P Steinhagen (2 patents)Douglas W Halverson ↔ Joe A Frerich (2 patents)Douglas W HalversonDouglas W Halverson (2 patents)Jason William KopaczJason William Kopacz (17 patents)Tobin Dale RasmussonTobin Dale Rasmusson (14 patents)Brett Wayne EngelBrett Wayne Engel (8 patents)Joseph P SpreeJoseph P Spree (2 patents)Tony P SteinhagenTony P Steinhagen (2 patents)Joe A FrerichJoe A Frerich (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Caterpillar Paving Products Inc. (2 from 620 patents)


2 patents:

1. D673981 - Asphalt screed

2. D672790 - Asphalt screed

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idiyas.com
as of
12/30/2025
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