Growing community of inventors

Winnipeg, Canada

Doug Darvill

Average Co-Inventor Count = 2.00

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 = 17

Doug DarvillKevin Smith (9 patents)Doug DarvillDoug Darvill (9 patents)Kevin SmithKevin Smith (18 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Smartrend Manufacturing Group (Smg), Inc. (8 from 17 patents)

2. Smartrend Supply Ltd (1 from 1 patent)


9 patents:

1. D1043396 - LED light panel

2. D1043397 - LED light panel

3. D1043399 - LED light panel

4. D1043398 - LED light panel

5. D1043400 - LED light panel

6. D1043831 - LED light panel

7. D1043395 - Led light panel

8. D984917 - LED light panel

9. D932930 - LED light panel

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as of
1/23/2026
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