Growing community of inventors

Columbus, GA, United States of America

Robert L Johnston

Average Co-Inventor Count = 1.30

ph-index = 10

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 = 336

Robert L JohnstonJohn Seal (2 patents)Robert L JohnstonMarvin R Windham (2 patents)Robert L JohnstonRodney G Harris (2 patents)Robert L JohnstonRoger R Moore, Jr (2 patents)Robert L JohnstonGlennbruce S Campbell (1 patent)Robert L JohnstonBrian Coleman (1 patent)Robert L JohnstonBradley R Gillespie (1 patent)Robert L JohnstonJoe Andrews (1 patent)Robert L JohnstonRobert L Johnston (18 patents)John SealJohn Seal (7 patents)Marvin R WindhamMarvin R Windham (3 patents)Rodney G HarrisRodney G Harris (2 patents)Roger R Moore, JrRoger R Moore, Jr (2 patents)Glennbruce S CampbellGlennbruce S Campbell (36 patents)Brian ColemanBrian Coleman (16 patents)Bradley R GillespieBradley R Gillespie (4 patents)Joe AndrewsJoe Andrews (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. W.c. Bradley Company (16 from 216 patents)

2. Other (1 from 832,718 patents)

3. Char-broil, LLC (1 from 16 patents)


18 patents:

1. 8662070 - Cooking system for gas grills

2. 8602018 - Apparatus and method for providing an improved cooking grate for an outdoor grill

3. 8430087 - Temperature measurement means for cooking appliances

4. D639112 - Cooking grate

5. 7810487 - Apparatus and methods for providing an improved cooking grate for an outdoor cooking grill

6. 6523461 - Charcoal tray and cooking rack for dual fuel barbeque grill

7. D443354 - Diamond shaped gas burner

8. D438060 - Casting for a barbecue grill

9. 5706797 - Heating system for barbecue grills and other gas appliances

10. 5613486 - Heating system for barbecue grills and other gas appliances

11. 5579755 - Barbecue grill cart assembly

12. 5566606 - Barbecue grill

13. 5452707 - Barbecue grill cart assembly

14. 5421319 - Heating system for barbecue grills and other gas appliances

15. D343337 - Universal gas collector box for ignitor

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as of
12/11/2025
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