Growing community of inventors

Vestavia Hills, AL, United States of America

David Littlefield

Average Co-Inventor Count = 4.89

ph-index = 2

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 = 14

David LittlefieldDean L Sicking (5 patents)David LittlefieldJoseph Schwertz (3 patents)David LittlefieldSteven D Thompson (3 patents)David LittlefieldKevin D Schrum (3 patents)David LittlefieldAndrew Dameron (3 patents)David LittlefieldKenneth Walls (3 patents)David LittlefieldDakotah Sicking (3 patents)David LittlefieldKenneth Walls (2 patents)David LittlefieldSeth D Cohen (1 patent)David LittlefieldSteven E Lewis (1 patent)David LittlefieldBlake Feltman (1 patent)David LittlefieldKevin Schrum (1 patent)David LittlefieldFranklin D Lewis (1 patent)David LittlefieldBlake A Feltman (0 patent)David LittlefieldKenneth Walls (1 patent)David LittlefieldSeth Cohen (1 patent)David LittlefieldDavid Littlefield (6 patents)Dean L SickingDean L Sicking (52 patents)Joseph SchwertzJoseph Schwertz (3 patents)Steven D ThompsonSteven D Thompson (3 patents)Kevin D SchrumKevin D Schrum (3 patents)Andrew DameronAndrew Dameron (3 patents)Kenneth WallsKenneth Walls (3 patents)Dakotah SickingDakotah Sicking (3 patents)Kenneth WallsKenneth Walls (2 patents)Seth D CohenSeth D Cohen (10 patents)Steven E LewisSteven E Lewis (3 patents)Blake FeltmanBlake Feltman (2 patents)Kevin SchrumKevin Schrum (1 patent)Franklin D LewisFranklin D Lewis (1 patent)Blake A FeltmanBlake A Feltman (0 patent)Kenneth WallsKenneth Walls (1 patent)Seth CohenSeth Cohen (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (2 from 832,891 patents)

2. The UAB Research Foundation (The University of Alabama at Birmingham) (2 from 647 patents)

3. Sicking Safety Systems LLC (2 from 4 patents)


6 patents:

1. 12297611 - Guardrail terminal

2. 11846077 - Guardrail terminal

3. 11466415 - Guardrail terminal

4. 9856616 - Self-restoring crash cushions

5. 9683340 - Systems and methods for supporting bollards

6. 6379020 - Plumbing tool

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as of
12/31/2025
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