Average Co-Inventor Count = 3.09
ph-index = 6
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. Surface Combustion, Inc. (8 from 28 patents)
2. Other (1 from 832,880 patents)
9 patents:
1. 8939457 - Arm and leg powered vehicle
2. 8293167 - Surface treatment of metallic articles in an atmospheric furnace
3. 7267793 - Furnace for vacuum carburizing with unsaturated aromatic hydrocarbons
4. 7204952 - Vacuum furnace for carburizing with hydrocarbons
5. 7033446 - Vacuum carburizing with unsaturated aromatic hydrocarbons
6. 6991687 - Vacuum carburizing with napthene hydrocarbons
7. 5364476 - Industrial variable carbon potential gas generator
8. 5211820 - Gas analysis system for furnaces and the like
9. 5137616 - Gas analysis system for furnaces and the like