Growing community of inventors

Dunlap, IL, United States of America

Peter Hakkenberg

Average Co-Inventor Count = 1.64

ph-index = 3

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 = 954

Peter HakkenbergRichard E Livesay (1 patent)Peter HakkenbergMorris A Swanson (1 patent)Peter HakkenbergJeffrey R Albers (1 patent)Peter HakkenbergPeter Hakkenberg (3 patents)Richard E LivesayRichard E Livesay (51 patents)Morris A SwansonMorris A Swanson (3 patents)Jeffrey R AlbersJeffrey R Albers (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Caterpillar Tractor Co. (2 from 1,981 patents)

2. Caterpillar Inc. (1 from 9,500 patents)


3 patents:

1. 5173053 - Electrical connector for an electromechanical device

2. 4489623 - Axle shaft and pump drive mechanism

3. 4150856 - One-piece track pin

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1/18/2026
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