Andreas Christel
23Patents
6h-index
17Co-inventors
66Inventor score
Filing activity: May 6, 1994 → Feb 5, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7654725B2 | Degassing of flowable masses in a multiple-screw extruder | Performing Operations; Transporting | 45 | Expired |
| US5522506A | Blister packs | Emerging Cross-Sectional Technologies | 31 | Expired |
| US7193032B2 | Controlling the crystallization of polyesters by means of their water content | Performing Operations; Transporting | 20 | Expired |
| US5676791A | Device for producing extrusion-coated laminates | Performing Operations; Transporting | 9 | Expired |
| US7080935B2 | Multi-screw extruder | Performing Operations; Transporting | 8 | Expired |
| US6730774B1 | Method and device for decontaminating polycondensates | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5770274A | Method for producing extrusion-coated laminates | Performing Operations; Transporting | 6 | Expired |
| US8562882B2 | Method for producing homogeneously crystallized polycondensate pellets | Performing Operations; Transporting | 4 | Active |
| US6012628A | Protective box for a food tray | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7819942B2 | Solid-phase polycondensation of polyester with process gas purification | Performing Operations; Transporting | 2 | Expired |
| US7981340B2 | Method of degassing a flowable mass in a ring extruder | Performing Operations; Transporting | 2 | Active |
| US7683156B2 | Production of a high-molecular polycondensate | Chemistry; Metallurgy | 2 | Expired |
| US10745517B2 | Process and apparatus for direct crystallization of polycondensates | Chemistry; Metallurgy | 1 | Active |
| US9101963B2 | Device and method for sorting polymeric material | Performing Operations; Transporting | 1 | Active |
| US8389667B2 | Partially crystalline polyethyleneterephthalate | Chemistry; Metallurgy | 1 | Active |
| US9943817B2 | Process and apparatus for direct crystallization of polymers under inert gas | Performing Operations; Transporting | 1 | Active |
| US9133303B2 | Method for the production polyester with improved melting properties and crystallization properties | Chemistry; Metallurgy | 0 | Active |
| US6841656B2 | Method of processing a polycondensate in a multi-screw extruder | Performing Operations; Transporting | 0 | Expired |
| US10604620B2 | Process for solid-state polycondensation | Chemistry; Metallurgy | 0 | Active |
| US11286365B2 | Process for recycling polyolefins | Emerging Cross-Sectional Technologies | 0 | Active |
| US8728368B2 | Method for crystallizing crystallizable polymers having a high tendency to agglomerate | Chemistry; Metallurgy | 0 | Active |
| US11839996B2 | Method and device for processing a mixture of recycled polyester material and a polyester prepolymer from a polyester manufacturing process | Performing Operations; Transporting | 0 | Active |
| US11566104B2 | Process and apparatus for direct crystallization of polycondensates | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.