Growing community of inventors

Morton, IL, United States of America

Robert E Hefner

Average Co-Inventor Count = 4.00

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 = 1

Robert E HefnerFrank R Sable (1 patent)Robert E HefnerJames C Barton (1 patent)Robert E HefnerPaul A Reid (1 patent)Robert E HefnerRobert E Hefner (1 patent)Frank R SableFrank R Sable (3 patents)James C BartonJames C Barton (3 patents)Paul A ReidPaul A Reid (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Caterpillar Industrial Inc. (1 from 64 patents)


1 patent:

1. 4694928 - Operator restraint system

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/17/2025
Loading…