Average Co-Inventor Count = 1.40
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. Industrikontakt, Ing. O Ellingsen & Co. (3 from 3 patents)
2. Therm-tech As (2 from 5 patents)
3. Petroleo Brasileiro S.a. - Petrobras (1 from 433 patents)
4. Ellingsen and Associates A.s. (1 from 1 patent)
5. Asnes Skifabrikk A/s (1 from 1 patent)
7 patents:
1. 6086655 - Production of metal such as aluminum, magnesium, silicon from metal
2. 5914027 - Thermo-mechanical cracking and hydrogenation
3. 5724751 - Process and apparatus for drying organic or inorganic materials
4. 5282508 - Process to increase petroleum recovery from petroleum reservoirs
5. 4923457 - Artificial gland for implantation in a human body
6. 4884634 - Process for increasing the degree of oil extraction
7. 4320908 - Skis