Inventor · disambiguated record
Michael Bierdel
Also filed as: BIERDEL MICHAEL
22 granted patents·8 pending applications·39 citations·filing 2003–2023
93Inventor score
Files withCOVESTRO DEUTSCHLAND AG8BIERDEL MICHAEL7BAYER MATERIALSCIENCE AG3König Thomas3ARLANXEO DEUTSCHLAND GMBH2
Top patents by PatentIndex Score
30 records- 0191US10207424B2Mixing elements having an improved dispersing effectCOVESTRO DEUTSCHLAND AG·Filed 2015·Granted Feb 19, 2019·4 cites·18 claims
- 0288US10836076B2Process for extruding plastic compositionsCOVESTRO DEUTSCHLAND AG·Filed 2018·Granted Nov 17, 2020·2 cites·22 claims
- 0387US9738770B2Degassing method, degassing device and use of screw elementsARLANXEO DEUTSCHLAND GMBH·Filed 2016·Granted Aug 22, 2017·3 cites·11 claims
- 0485US10435507B2Ultra-high purity polycarbonates having good inherent color and thermal resistance and a device and a method for producing the sameCOVESTRO DEUTSCHLAND AG·Filed 2017·Granted Oct 8, 2019·2 cites·8 claims
- 0584US10029393B2Screw elements with improved dispersing action and low energy inputCOVESTRO DEUTSCHLAND AG·Filed 2017·Granted Jul 24, 2018·1 cites·28 claims
- 0684US9487635B2Degassing method, degassing device and use of screw elementsLANXESS DEUTSCHLAND GMBH·Filed 2012·Granted Nov 8, 2016·5 cites·18 claims
- 0777US8876360B2Method for constructing co-rotating, contiguous bodies and computer program product for carrying out said methodBIERDEL MICHAEL·Filed 2009·Granted Nov 4, 2014·3 cites·13 claims
- 0876US8288456B2Process for the production of impact-modified filled polycarbonate compositionsFELDERMANN ACHIM·Filed 2008·Granted Oct 16, 2012·6 cites·17 claims
- 0975US8753003B2Screw feed elements for extrusion of viscoelastic massesKIRCHHOFF JÖRG·Filed 2010·Granted Jun 17, 2014·3 cites·19 claims
- 1073US9688002B2Screw elements with improved dispersing action and low energy inputBIERDEL MICHAEL·Filed 2009·Granted Jun 27, 2017·2 cites·25 claims
- 1172US8979355B2Screw elements with reduced sweep angleBIERDEL MICHAEL·Filed 2009·Granted Mar 17, 2015·1 cites·13 claims
- 1269US2025249632A1Method for producing a plastic compound having improved propertiesCOVESTRO DEUTSCHLAND AG·Filed 2023·Application pending·0 cites
- 1368US9868245B2Screw elements for extruding plastic compositionsBIERDEL MICHAEL·Filed 2009·Granted Jan 16, 2018·1 cites·21 claims
- 1468US8915642B2Method for constructing co-rotating contiguous bodies and computer program product for carrying out said method and screw elements produced accordinglyBIERDEL MICHAEL·Filed 2009·Granted Dec 23, 2014·1 cites·15 claims
- 1567US9808978B2Screw elements with reduced energy input during the build-up of pressureBIERDEL MICHAEL·Filed 2009·Granted Nov 7, 2017·1 cites·21 claims
- 1665US9828464B2Ultra-high purity polycarbonates having good inherent color and thermal resistance and a device and a method for producing the sameKönig Thomas·Filed 2010·Granted Nov 28, 2017·1 cites·2 claims
- 1765US9738025B2Method for extruding plastic massesKönig Thomas·Filed 2009·Granted Aug 22, 2017·1 cites·17 claims
- 1863US9944008B2Method for extruding plastic materialsKOENIG THOMAS·Filed 2009·Granted Apr 17, 2018·1 cites·16 claims
- 1961US2011184089A1Method for the extrusion of plastic materialsBAYER MATERIALSCIENCE AG·Filed 2009·Application pending·0 cites
- 2059US2025196077A1Screw elements with improved mixing effect and pressure build-upCOVESTRO DEUTSCHLAND AG·Filed 2023·Application pending·0 cites
- 2159US2025242533A1Screw elements with improved mixing and degassing effect with reduced energy inputCOVESTRO DEUTSCHLAND AG·Filed 2023·Application pending·0 cites
- 2252US2009023851A1Process for the production of an electrically conducting polymer composite materialBAYER MATERIALSCIENCE AG·Filed 2008·Application pending·0 cites
- 2349US11045977B2Device and method for dispersing solids, liquids and gases in an extruderCOVESTRO DEUTSCHLAND AG·Filed 2016·Granted Jun 29, 2021·0 cites·11 claims
- 2449US2011204296A1Method for producing composite materials having reduced resistance and comprising carbon nanotubesBAYER MATERIALSCIENCE AG·Filed 2009·Application pending·0 cites
- 2548US7144981B2Process for separating volatile components from polymersBAYER AG·Filed 2003·Granted Dec 5, 2006·1 cites·18 claims
- 2644US12370510B2Screw element having an axially asymmetrical screw profile which has at least two construction points located within the screw profileCOVESTRO INTELLECTUAL PROPERTY GMBH & CO KG·Filed 2020·Granted Jul 29, 2025·0 cites·17 claims
- 2740US9314954B2Method for constructing bodies that rotate in the same direction and are in contact with one another and computer system for carrying out said methodKönig Thomas·Filed 2010·Granted Apr 19, 2016·0 cites·12 claims
- 2840US2018015434A1Stuffing screwARLANXEO DEUTSCHLAND GMBH·Filed 2016·Application pending·0 cites
- 2939US2012245909A1Data-based models for predicting and optimizing screw extruders and/or extrusion processesBIERDEL MICHAEL·Filed 2010·Application pending·0 cites
- 3033US9561613B2Apparatus and process for producing products from pigment-containing polymer mixturesDERFUSS BIRGIT·Filed 2011·Granted Feb 7, 2017·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →