COPERION GMBH
🏢 View company profile →39Patents
39Active
39Granted
55Portfolio score
Filing activity: Apr 17, 2004 → Sep 22, 2021 · 9 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US10815078B2 | Conveyor installation and method for conveying plastics granulate | Performing Operations; Transporting | 8 | Active |
| US10647527B2 | Method for pneumatically conveying plastic pellets | Performing Operations; Transporting | 6 | Active |
| US7607817B2 | Extruder having a set back gas-permeable wall portion | Performing Operations; Transporting | 5 | Active |
| US8360627B2 | Screw machine having a vacuum housing insert | Performing Operations; Transporting | 4 | Active |
| US8388216B2 | Method and processing installation for devolatilizing polymer melts | Performing Operations; Transporting | 4 | Active |
| US10093034B2 | Device and method for the homogenisation of plastics material melts | Performing Operations; Transporting | 3 | Active |
| US7547132B2 | Screw-type processing plant with elongation and expansion compensation devices | Performing Operations; Transporting | 3 | Active |
| US11254520B2 | Conveying system and method for pneumatically conveying plastic granulate | Performing Operations; Transporting | 2 | Active |
| US8801339B2 | Conveyor device for pneumatically conveying bulk material | Performing Operations; Transporting | 2 | Active |
| US7815360B2 | Material processing plant with two extruding machines | Performing Operations; Transporting | 2 | Active |
| US11440221B2 | Device and method for producing a dyed and an undyed plastic melt | Performing Operations; Transporting | 2 | Active |
| US7635235B2 | Worm shaft coupling | Emerging Cross-Sectional Technologies | 2 | Active |
| US11174955B2 | Diverter valve for conveying a material and method for cleaning thereof | Performing Operations; Transporting | 1 | Active |
| US8500433B2 | Screw machine | Performing Operations; Transporting | 1 | Active |
| US9022639B2 | Treatment element for treating material in a multi-shaft worm machine and multi-shaft worm machine | Performing Operations; Transporting | 1 | Active |
| US9688003B2 | Screw machine and method as well as processing installation for the processing of bulk material | Performing Operations; Transporting | 1 | Active |
| US11273576B2 | Device and method for producing plastic granulate | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US7717003B2 | Measuring device for detecting the state of wear of the bore walls of two interpenetrating housing bores | Performing Operations; Transporting | 1 | Active |
| US11117306B2 | Screw machine and method for the processing of material to be processed | Performing Operations; Transporting | 0 | Active |
| US7527422B2 | Drive unit for a twin-screw machine | Emerging Cross-Sectional Technologies | 0 | Active |
| US11911772B2 | Blade head for granulating strands of material and granulating apparatus having such a blade head and method for assembling such a blade head | Performing Operations; Transporting | 0 | Active |
| US11440063B2 | Diverter valve for conveying material to be conveyed and method for cleaning a diverter valve of this type | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11273590B2 | Starting-valve throttle device for delivering a melt from a screw extruder, and system for preparing bulk material having a starting-valve throttle device of this type, and method for delivering a melt from a screw extruder by means of a starting-valve throttle device of this type | Performing Operations; Transporting | 0 | Active |
| US11478970B2 | Housing component for a multi-shaft screw machine and method for the production of a housing component | Performing Operations; Transporting | 0 | Active |
| US10234013B2 | Gearbox assembly for a twin-screw extruder, treatment installation for material treatment comprising a gearbox assembly of this type, and method for the startup of a treatment installation comprising a gearbox assembly of this type | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.