Michael Bierdel
22Patents
1h-index
21Co-inventors
53Inventor score
Filing activity: Oct 14, 2003 → Feb 17, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8288456B2 | Process for the production of impact-modified filled polycarbonate compositions | Chemistry; Metallurgy | 4 | Active |
| US9487635B2 | Degassing method, degassing device and use of screw elements | Chemistry; Metallurgy | 1 | Active |
| US8876360B2 | Method for constructing co-rotating, contiguous bodies and computer program product for carrying out said method | Emerging Cross-Sectional Technologies | 1 | Active |
| US10207424B2 | Mixing elements having an improved dispersing effect | Emerging Cross-Sectional Technologies | 1 | Active |
| US9688002B2 | Screw elements with improved dispersing action and low energy input | Performing Operations; Transporting | 1 | Active |
| US9944008B2 | Method for extruding plastic materials | Emerging Cross-Sectional Technologies | 1 | Active |
| US8979355B2 | Screw elements with reduced sweep angle | Emerging Cross-Sectional Technologies | 1 | Active |
| US8753003B2 | Screw feed elements for extrusion of viscoelastic masses | Performing Operations; Transporting | 1 | Active |
| US9828464B2 | Ultra-high purity polycarbonates having good inherent color and thermal resistance and a device and a method for producing the same | Performing Operations; Transporting | 1 | Active |
| US9738770B2 | Degassing method, degassing device and use of screw elements | Chemistry; Metallurgy | 1 | Active |
| US12370510B2 | Screw element having an axially asymmetrical screw profile which has at least two construction points located within the screw profile | Performing Operations; Transporting | 0 | Active |
| US9561613B2 | Apparatus and process for producing products from pigment-containing polymer mixtures | Emerging Cross-Sectional Technologies | 0 | Active |
| US10029393B2 | Screw elements with improved dispersing action and low energy input | Performing Operations; Transporting | 0 | Active |
| US9314954B2 | Method for constructing bodies that rotate in the same direction and are in contact with one another and computer system for carrying out said method | Performing Operations; Transporting | 0 | Active |
| US9738025B2 | Method for extruding plastic masses | Emerging Cross-Sectional Technologies | 0 | Active |
| US7144981B2 | Process for separating volatile components from polymers | Chemistry; Metallurgy | 0 | Expired |
| US8915642B2 | Method for constructing co-rotating contiguous bodies and computer program product for carrying out said method and screw elements produced accordingly | Emerging Cross-Sectional Technologies | 0 | Active |
| US9868245B2 | Screw elements for extruding plastic compositions | Emerging Cross-Sectional Technologies | 0 | Active |
| US10435507B2 | Ultra-high purity polycarbonates having good inherent color and thermal resistance and a device and a method for producing the same | Performing Operations; Transporting | 0 | Active |
| US10836076B2 | Process for extruding plastic compositions | Performing Operations; Transporting | 0 | Active |
| US9808978B2 | Screw elements with reduced energy input during the build-up of pressure | Emerging Cross-Sectional Technologies | 0 | Active |
| US11045977B2 | Device and method for dispersing solids, liquids and gases in an extruder | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.