Growing community of inventors

Chatsworth, CA, United States of America

Sean David Spencer

Average Co-Inventor Count = 4.00

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 = 199

Sean David SpencerKristoffer Hess (4 patents)Sean David SpencerIgnazio Gallo (4 patents)Sean David SpencerDavid Miller MacPherson (4 patents)Sean David SpencerSean David Spencer (4 patents)Kristoffer HessKristoffer Hess (28 patents)Ignazio GalloIgnazio Gallo (14 patents)David Miller MacPhersonDavid Miller MacPherson (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Dimplex North America Limited (4 from 31 patents)


4 patents:

1. 6363636 - Flame simulating assembly and components therefor

2. 6269567 - Diffusing screen with matte region

3. 6050011 - Assembly for producing an illusory effect

4. 6047489 - Flame simulating assembly and components therefor

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as of
1/5/2026
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