Growing community of inventors

Vicksburg, MS, United States of America

Douglas S Hammond

Average Co-Inventor Count = 1.79

ph-index = 8

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 = 144

Douglas S HammondGregory J Subisak (4 patents)Douglas S HammondRobert L Ewing (3 patents)Douglas S HammondDavid E Mehaffey (3 patents)Douglas S HammondMark L Roush (2 patents)Douglas S HammondDavid G Meredith (1 patent)Douglas S HammondHerbert Arnold Odle (1 patent)Douglas S HammondJames L Leary (1 patent)Douglas S HammondTheodore Sarniak, Iii (1 patent)Douglas S HammondJames E Denney (1 patent)Douglas S HammondDouglas S Hammond (15 patents)Gregory J SubisakGregory J Subisak (17 patents)Robert L EwingRobert L Ewing (55 patents)David E MehaffeyDavid E Mehaffey (5 patents)Mark L RoushMark L Roush (2 patents)David G MeredithDavid G Meredith (10 patents)Herbert Arnold OdleHerbert Arnold Odle (5 patents)James L LearyJames L Leary (1 patent)Theodore Sarniak, IiiTheodore Sarniak, Iii (1 patent)James E DenneyJames E Denney (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Cooper Industries, Inc. (3 from 901 patents)

2. Holophane Company, Inc. (3 from 25 patents)

3. Manville Corporation (2 from 151 patents)

4. Manville Service Corporation (1 from 112 patents)

5. Holophane (1 from 33 patents)

6. Holophane Lighting, Inc. (1 from 16 patents)

7. Holophone Corporation (1 from 1 patent)

8. Jeanette Shade and Novelty, Inc. (1 from 1 patent)

9. Cc Custom Products, Inc. (1 from 1 patent)


15 patents:

1. D553787 - Suspended luminaire

2. D423707 - Street lamp

3. D422111 - Light globe for a street lamp

4. 5664878 - Internally illuminated sign

5. 5588742 - Internally illuminated sign

6. 5355291 - Internally illuminated sign

7. D348945 - Outdoor roadway lighting fixture

8. D348531 - Outdoor roadway lighting fixture

9. D347080 - Outdoor roadway lighting fixture

10. 5188453 - Internally illuminated sign

11. 4954935 - Lighting system for illuminating billboards and the like

12. D307188 - Luminaire

13. D300670 - Luminaire

14. D300671 - Luminaire

15. 4575783 - Reflector for illuminating signs

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idiyas.com
as of
12/8/2025
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