Growing community of inventors

Altadena, CA, United States of America

Stephen Lee Cunningham

Average Co-Inventor Count = 2.25

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 = 181

Stephen Lee CunninghamMartin A Stuart (14 patents)Stephen Lee CunninghamDavid Jeffrey Carson (4 patents)Stephen Lee CunninghamMichael Romeo (4 patents)Stephen Lee CunninghamThomas Delattre (3 patents)Stephen Lee CunninghamBrent Stewart (1 patent)Stephen Lee CunninghamStephen Lee Cunningham (18 patents)Martin A StuartMartin A Stuart (21 patents)David Jeffrey CarsonDavid Jeffrey Carson (20 patents)Michael RomeoMichael Romeo (11 patents)Thomas DelattreThomas Delattre (10 patents)Brent StewartBrent Stewart (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (15 from 832,912 patents)

2. Hornady Manufacturing Company (3 from 43 patents)

3. Cunningham, Stephen L. (0 patent)

4. Stuart, Martin a. (0 patent)

5. Cunningham, Stephen Lee (0 patent)


18 patents:

1. 11028636 - Handgun mini-vault

2. 10777960 - Slab laser and amplifier

3. 10636573 - High energy density storage device

4. 10233687 - Handgun mini-vault

5. 10227918 - Polygon oscillating piston engine

6. 10066275 - Arc furnace smeltering system and method

7. 10026555 - High energy density storage device

8. 9869272 - Performance of a transcritical or supercritical CO2 Rankin cycle engine

9. 9835083 - Oscillating piston engine

10. 9604892 - [object Object]

11. 9530266 - Handgun mini-vault

12. 9525262 - Slab laser and amplifier and method of use

13. 9498112 - Laryngoscope

14. 9396880 - High energy density storage device

15. 9287112 - Slab laser and amplifier and method of use

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as of
1/10/2026
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