Growing community of inventors

Maidenhead, United Kingdom

Derek Roberts

Average Co-Inventor Count = 1.12

ph-index = 5

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 = 60

Derek RobertsGraham Williams (1 patent)Derek RobertsCharles Boughtflower (1 patent)Derek RobertsDerek Roberts (6 patents)Graham WilliamsGraham Williams (1 patent)Charles BoughtflowerCharles Boughtflower (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Joseph Joseph Ltd. (2 from 209 patents)

2. Focusrite Audio Engineering Limited (2 from 18 patents)

3. The Coca-cola Company (1 from 1,591 patents)

4. William Levene Limited (1 from 12 patents)


6 patents:

1. D787898 - Tongs

2. D674374 - Audio equipment

3. D671377 - Tongs

4. D642160 - Audio apparatus

5. D436508 - Can opener

6. D340616 - Beverage dispensing head

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as of
1/3/2026
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