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.
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