Growing community of inventors

Elgin, IL, United States of America

Richard S Hart

Average Co-Inventor Count = 1.82

ph-index = 9

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 = 218

Richard S HartJeffrey D Bransky (5 patents)Richard S HartRichard A Valiga (3 patents)Richard S HartJeffrey P Heuel (2 patents)Richard S HartDavid H Bloom (2 patents)Richard S HartJeffery D Bransky (2 patents)Richard S HartThomas E Perdue, Jr (1 patent)Richard S HartThomas R Nusz (1 patent)Richard S HartJames E Roseen (1 patent)Richard S HartRichard S Hart (15 patents)Jeffrey D BranskyJeffrey D Bransky (5 patents)Richard A ValigaRichard A Valiga (4 patents)Jeffrey P HeuelJeffrey P Heuel (10 patents)David H BloomDavid H Bloom (5 patents)Jeffery D BranskyJeffery D Bransky (2 patents)Thomas E Perdue, JrThomas E Perdue, Jr (7 patents)Thomas R NuszThomas R Nusz (1 patent)James E RoseenJames E Roseen (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. E.i. Dupont De Nemours and Company (6 from 16,338 patents)

2. Sunbeam Corporation Limited (2 from 278 patents)

3. Radio Flyer Inc. (2 from 189 patents)

4. Lyon Metal Products, Incorporated (2 from 12 patents)

5. Duraco Products, Inc. (1 from 18 patents)

6. Soft Sheen Products, Inc. (1 from 7 patents)

7. Systems Furniture Company (1 from 3 patents)


15 patents:

1. D409864 - Chair back

2. D408664 - Chair seat

3. D336380 - Chair

4. D332996 - Lavatory

5. 5068945 - Fastener

6. D315781 - Attachment for paint container

7. D315503 - Combined paint container and lid therefor

8. D314878 - Table

9. D313461 - Combined paint container and attachment therefor

10. D313462 - Combined paint container and attachment therefor

11. D313353 - Combined paint container and lid therefor

12. D311554 - Side extension for a toy wagon

13. 4930831 - Side extension for a toy wagon

14. D307873 - Domestic scale weight display module

15. D307727 - Scale base

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as of
12/12/2025
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