Inventor · Paris, FR

Pierre Crespin

7Patents
3h-index
7Co-inventors
50Inventor score

Filing activity: Mar 3, 1986 → Dec 23, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US6217749A Process for hydrotreating a hydrocarbon feedstock and apparatus for carrying out same Chemistry; Metallurgy 32 Expired
US4610695A Fluid fuel mixture based on a pulverized solid fuel, petroleum residues and water, process for its preparation, and the use in boilers and industrial furnaces Emerging Cross-Sectional Technologies 15 Expired
US6767451B2 Procedure and device for cracking of hydrocarbons using two successive reaction chambers Chemistry; Metallurgy 4 Expired
US6869576B2 Process for hydrotreating a hydrocarbon feedstock and apparatus for carrying out same Chemistry; Metallurgy 3 Expired
US6805171B2 Method for loading a chamber with solid particles Performing Operations; Transporting 3 Expired
US7544333B2 Device for cracking of hydrocarbons using two successive reaction chambers Chemistry; Metallurgy 2 Expired
US9074150B2 Treatment chain and process for the thermochemical conversion of a wet feed of biological material by gasification Emerging Cross-Sectional Technologies 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.