Inventor · Marly-le-Roi, FR

Jean Perret

12Patents
5h-index
16Co-inventors
63Inventor score

Filing activity: Sep 29, 1969 → May 28, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
USRE30085E Method and apparatus for the coding and low temperature liquefaction of gaseous mixtures General 12 Expired
US4773246A Process for adjusting the profile of rolls movable in a rolling mill and improved rolling mill for carrying out the process Performing Operations; Transporting 8 Expired
US8445811B2 Device for the weld joining of sheet metal strips Performing Operations; Transporting 8 Active
US5948295A Automatic machine for transversal connection of metallic bands Performing Operations; Transporting 8 Expired
US5904313A Turntable coiler for reeling metal strips Emerging Cross-Sectional Technologies 7 Expired
US7980109B2 Method for inspecting a strip in a reversible rolling mill Performing Operations; Transporting 4 Active
US6033575A Method and apparatus for mixing/separating two non-miscible liquids Performing Operations; Transporting 4 Expired
US7454938B2 Method and device for rolling up a strip Performing Operations; Transporting 3 Expired
US6202912A Accumulation unit for a band product Performing Operations; Transporting 3 Expired
US7341218B2 Cooled mandrel for winding a strip product Emerging Cross-Sectional Technologies 1 Expired
US9212998B2 Method and device for the spectral analysis of a metal coating layer deposited on the surface of a steel strip Physics 0 Active
USRE29914E Method and apparatus for the cooling and low temperature liquefaction of gaseous mixtures General 0 Expired

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