Average Co-Inventor Count = 5.00
ph-index = 4
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. Bergwerksverband Gmbh (2 from 231 patents)
2. Krupp Koppers Gmbh (2 from 141 patents)
3. Hoechst Aktiengesellschaft (1 from 6,662 patents)
4. Klockner-humboldt-deutz Ag (1 from 433 patents)
5. Uhde Gmbh (1 from 177 patents)
6. Mannesmannrohren-werke Ag (1 from 21 patents)
7. Ruhrkohle Ol Und Gas Gmbh (1 from 1 patent)
5 patents:
1. 5445658 - Gasification apparatus for a finely divided combustible material
2. 5441547 - Method for gasification of a finely divided combustible material
3. 4973342 - Device with granular bed filters for raw gas purification
4. 4304574 - Heating system for fluidized bed gas generator
5. 4080181 - Gas generator