Average Co-Inventor Count = 2.06
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. Conoco Inc. (3 from 860 patents)
2. Continental Oil Company (2 from 304 patents)
3. Other (1 from 832,718 patents)
6 patents:
1. 6237159 - Hats for glasses
2. 4409825 - Down hole steam quality measurement
3. 4296814 - Method for thermally insulating wellbores
4. 4265310 - Fracture preheat oil recovery process
5. 4185693 - Oil shale retorting from a high porosity cavern
6. 4109719 - Method for creating a permeable fragmented zone within a subterranean