Growing community of inventors

Ames, IA, United States of America

Allen H Trenkle

Average Co-Inventor Count = 2.86

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 = 13

Allen H TrenkleDonald C Beitz (1 patent)Allen H TrenkleRonald L Horst (1 patent)Allen H TrenkleJayden L Montgomery (1 patent)Allen H TrenkleWise Burroughs (1 patent)Allen H TrenkleFrederick C Parrish (1 patent)Allen H TrenkleAllen H Trenkle (2 patents)Donald C BeitzDonald C Beitz (9 patents)Ronald L HorstRonald L Horst (7 patents)Jayden L MontgomeryJayden L Montgomery (1 patent)Wise BurroughsWise Burroughs (1 patent)Frederick C ParrishFrederick C Parrish (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Iowa State University Research Foundation Inc (2 from 1,392 patents)

2. The United States of America (1 from 254 patents)


2 patents:

1. 6042855 - Use of vitamin D, its metabolites and analogs to improve tenderness of

2. 4186213 - Method of feeding cattle for maximized protein utilization

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as of
1/7/2026
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