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Cypress, TX, United States of America

Daniel B Holsberg

Average Co-Inventor Count = 3.00

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 = 19

Daniel B Holsberg ↔ Calvin Vinal Norton (3 patents)Daniel B Holsberg ↔ Paul Stephen Tetley (3 patents)Daniel B HolsbergDaniel B Holsberg (3 patents)Calvin Vinal NortonCalvin Vinal Norton (5 patents)Paul Stephen TetleyPaul Stephen Tetley (4 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Friede Goldman United, Ltd. (3 from 8 patents)


3 patents:

1. 9476265 - Trolley apparatus

2. 8696289 - Cartridge tubular handling system

3. 8215888 - Cartridge tubular handling system

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as of
12/20/2025
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