Growing community of inventors

Sand Springs, OK, United States of America

Derek Campbell

Average Co-Inventor Count = 2.00

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 = 27

Derek CampbellBryan R Kirchmer (1 patent)Derek CampbellDerek Campbell (1 patent)Bryan R KirchmerBryan R Kirchmer (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Force Pro (1 from 1 patent)


1 patent:

1. 7220119 - Pre-stressed tie rod and method of manufacture

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/7/2026
Loading…