Growing community of inventors

Westland, MI, United States of America

Todd Duffield

Average Co-Inventor Count = 3.36

ph-index = 4

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 = 28

Todd DuffieldThomas E Heck (4 patents)Todd DuffieldPatrick McCorry (4 patents)Todd DuffieldAlan Coleman (3 patents)Todd DuffieldJoseph W Wolf (1 patent)Todd DuffieldJohn Holm (1 patent)Todd DuffieldRobert J Wendt (1 patent)Todd DuffieldTom Czarniecki (1 patent)Todd DuffieldChristopher A Putz (1 patent)Todd DuffieldMonty Csapo (1 patent)Todd DuffieldMatthias Grutgen (1 patent)Todd DuffieldFrank Kramer (1 patent)Todd DuffieldTodd Duffield (6 patents)Thomas E HeckThomas E Heck (26 patents)Patrick McCorryPatrick McCorry (7 patents)Alan ColemanAlan Coleman (15 patents)Joseph W WolfJoseph W Wolf (13 patents)John HolmJohn Holm (4 patents)Robert J WendtRobert J Wendt (3 patents)Tom CzarnieckiTom Czarniecki (2 patents)Christopher A PutzChristopher A Putz (2 patents)Monty CsapoMonty Csapo (1 patent)Matthias GrutgenMatthias Grutgen (1 patent)Frank KramerFrank Kramer (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hayes Lemmerz International, Inc. (6 from 187 patents)


6 patents:

1. 8449043 - Multi-piece vehicle wheel cover retention system and method for producing same

2. 8231180 - Fabricated vehicle wheel and method for producing same

3. 8162406 - Multi-piece vehicle wheel cover retention system and method for producing same

4. 8052223 - Multi-piece vehicle wheel cover retention system and method for producing same

5. 7984551 - Fabricated vehicle wheel and method for producing same

6. 6655748 - Fabricated vehicle wheel

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/19/2025
Loading…