Growing community of inventors

Spring, TX, United States of America

Robert Dugal

Average Co-Inventor Count = 3.69

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 = 5

Robert DugalRobert Arlen Holifield (3 patents)Robert DugalFrederik Stoldt (2 patents)Robert DugalVictor Manuel Eslava Moreno (2 patents)Robert DugalLawrence E Childress, Ii (1 patent)Robert DugalDavid J Havens (1 patent)Robert DugalRogelio Rios (1 patent)Robert DugalJustin Wayne Triplett (1 patent)Robert DugalRobert Dugal (4 patents)Robert Arlen HolifieldRobert Arlen Holifield (3 patents)Frederik StoldtFrederik Stoldt (14 patents)Victor Manuel Eslava MorenoVictor Manuel Eslava Moreno (3 patents)Lawrence E Childress, IiLawrence E Childress, Ii (7 patents)David J HavensDavid J Havens (6 patents)Rogelio RiosRogelio Rios (4 patents)Justin Wayne TriplettJustin Wayne Triplett (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Forum Us, Inc. (3 from 141 patents)

2. Forum Energy Technologies, Inc. (1 from 1 patent)


4 patents:

1. 10927616 - Elevator with securing apparatus and method of moving tubulars

2. 10570679 - Elevator with securing apparatus and method of moving tubulars

3. 10329854 - Tubular transfer system and method

4. 8919841 - Method and apparatus for attachment of a secondary tool handling device to a primary tool handling device

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as of
12/11/2025
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