Inventor · disambiguated record
Stefan Zikeli
Also filed as: ZIKELI STEFAN
56 granted patents·16 pending applications·847 citations·filing 1991–2024
98Inventor score
Top patents by PatentIndex Score
72 records- 0195US5589125AProcess of and apparatus for making cellulose mouldingsCHEMIEFASER LENZING AG·Filed 1993·Granted Dec 31, 1996·88 cites·11 claims
- 0294US9447522B2Extrusion methodZIKELI STEFAN·Filed 2012·Granted Sep 20, 2016·11 cites·14 claims
- 0394US5252284AMethod of producing shaped cellulosic articlesCHEMIEFASER LENZING AG·Filed 1992·Granted Oct 12, 1993·73 cites·7 claims
- 0489US10208402B2Spin bath and method for consolidation of a shaped articleAUROTEC GMBH·Filed 2013·Granted Feb 19, 2019·4 cites·11 claims
- 0588US9101903B2Modular reactorZIKELI STEFAN·Filed 2009·Granted Aug 11, 2015·11 cites·13 claims
- 0686US9803763B2Pipe comprising a pressure relief valveZIKELI STEFAN·Filed 2012·Granted Oct 31, 2017·5 cites·14 claims
- 0786US5094690AProcess and arrangement for preparing a solution of celluloseCHEMIEFASER LENZING AG·Filed 1991·Granted Mar 10, 1992·71 cites·9 claims
- 0885US5968434AProcess of making cellulose moldings and fibersCHEMIEFASER LENZING AG·Filed 1998·Granted Oct 19, 1999·36 cites·2 claims
- 0985US5626810AProcess for the preparation of cellulose solutionsCHEMIEFASER LENZING AG·Filed 1994·Granted May 6, 1997·46 cites·9 claims
- 1084US5603883AProcess of and apparatus for making celluose productsCHEMIEFASER LENZING AG·Filed 1995·Granted Feb 18, 1997·42 cites·28 claims
- 1183US5607639AProcess for the preparation of cellulose sheetCHEMIEFASER LENZING AG·Filed 1994·Granted Mar 4, 1997·55 cites·10 claims
- 1283US5216144AMethod of producing shaped cellulosic articlesCHEMIEFASER LENZING AG·Filed 1991·Granted Jun 1, 1993·39 cites·6 claims
- 1381US7951237B2Polymer composition and molded articles produced therefromSMARTFIBER AG·Filed 2006·Granted May 31, 2011·8 cites·26 claims
- 1480US8317503B2Device for producing Lyocell fibersZIKELI STEFAN·Filed 2010·Granted Nov 27, 2012·3 cites·4 claims
- 1579US12102939B2Thin-layer treatment deviceAUROTEC GMBH·Filed 2020·Granted Oct 1, 2024·1 cites·19 claims
- 1678US10557668B2Pipe system including internal heat exchangersZIKELI STEFAN·Filed 2012·Granted Feb 11, 2020·1 cites·15 claims
- 1777US9555822B2Electric trolleyAUROTEC GMBH·Filed 2012·Granted Jan 31, 2017·10 cites·20 claims
- 1877US5656224AProcess for the production of a cellulose suspensionCHEMIEFASER LENZING AG·Filed 1995·Granted Aug 12, 1997·31 cites·13 claims
- 1977US5330567AProcess and arrangement for preparing a solution of celluloseCHEMIEFASER LENZING AG·Filed 1992·Granted Jul 19, 1994·51 cites·9 claims
- 2075US7364681B2Spinning device and method having cooling by blowingZIKELI STEFAN·Filed 2002·Granted Apr 29, 2008·11 cites·24 claims
- 2175US5984655ASpinning process and apparatusCHEMIEFASER LENZING AG·Filed 1996·Granted Nov 16, 1999·28 cites·22 claims
- 2272US10532507B2Method for the purification of a fluid and filtering deviceAUROTEC GMBH·Filed 2013·Granted Jan 14, 2020·2 cites·18 claims
- 2371US2024189736A1Thin-layer treatment deviceAUROTEC GMBH·Filed 2024·Application pending·0 cites
- 2470US11187338B2Method of transporting a viscous fluid through a heat exchanger lineAUROTEC GMBH·Filed 2019·Granted Nov 30, 2021·0 cites·10 claims
- 2570US11091453B2Production of an amine oxide by oxidation of a tertiary amineAUROTEC GMBH·Filed 2017·Granted Aug 17, 2021·2 cites·20 claims
- 2670US5189152ACellulose solution in water and nmmoCHEMIEFASER LENZING AG·Filed 1991·Granted Feb 23, 1993·25 cites·12 claims
- 2768US5118423AMethod of removing water from a dilute solution of n-methylmorpholine-n-oxide, n-methylmorpholine, or morpholineCHEMIEFASER LENZING AG·Filed 1991·Granted Jun 2, 1992·11 cites·4 claims
- 2867US8496748B2Polymer composition and molded articles produced therefromZIKELI STEFAN·Filed 2011·Granted Jul 30, 2013·2 cites·22 claims
- 2966US5921675AMethod for keeping and delivering a homogeneous cellulose suspensionCHEMIEFASER LENZING AG·Filed 1997·Granted Jul 13, 1999·34 cites·3 claims
- 3064US11946165B2Method and device for filament spinning with deflectionAUROTEC GMBH·Filed 2019·Granted Apr 2, 2024·0 cites·25 claims
- 3163US7204265B2Bursting insertZIMMER AG·Filed 2004·Granted Apr 17, 2007·10 cites·28 claims
- 3263US5698151AProcess of making cellulose fibresCHEMIEFASER LENZING AG·Filed 1994·Granted Dec 16, 1997·13 cites·5 claims
- 3363US5582783AProcess for controlling a flowing cellulose suspensionCHEMIEFASER LENZING AG·Filed 1995·Granted Dec 10, 1996·18 cites·5 claims
- 3463US5393225ARotating tube heat treatment installation, in particular rotating tubular kiln, with indirect heat feed or dissipationAUSTRIAN ENERGY & ENVIRONMENT·Filed 1991·Granted Feb 28, 1995·12 cites·4 claims
- 3561US7314570B2Method for removing heavy metals from media containing heavy metals by means of a Lyocell moulded body, cellulosic moulded body comprising absorbed heavy metals, and the use of the sameZIMMER A G·Filed 2001·Granted Jan 1, 2008·6 cites·23 claims
- 3661US7025926B2Method for extruding a continuous shaped bodyZIMMER A G·Filed 2002·Granted Apr 11, 2006·3 cites·28 claims
- 3759US8580167B2Lyocell method comprising an adjustment of the processing duration based on the degree of polymerizationCHEMIEFASER LENZING AG·Filed 2012·Granted Nov 12, 2013·0 cites·13 claims
- 3859US6644845B1Buffer store for polymer melts, especially cellulose solutionsZIMMER A G·Filed 2000·Granted Nov 11, 2003·3 cites·24 claims
- 3958US7614864B2Ergonomic spinning systemZIKELI STEFAN·Filed 2004·Granted Nov 10, 2009·2 cites·37 claims
- 4058US7303710B2Method and device for extruding a continuous moulded bodyZIMMER A G·Filed 2001·Granted Dec 4, 2007·2 cites·9 claims
- 4158US7270779B2Method and device for producing continuous molded bodiesZIMMER A G·Filed 2001·Granted Sep 18, 2007·2 cites·20 claims
- 4257US7029622B2Method for extruding a continuous molded bodyZIMMER A G·Filed 2001·Granted Apr 18, 2006·2 cites·27 claims
- 4357US2008048358A1Lyocell Method Comprising an Adjustment of the Processing Duration Based on the Degree of PolymerizationZIMMER AG·Filed 2005·Application pending·0 cites
- 4456US5826978ADevice and method for controlling pressure in a flowing viscous mass within a system for processing cellulose solutionsCHEMIEFASER LENZING AG·Filed 1995·Granted Oct 27, 1998·18 cites·11 claims
- 4555US5794642AProcess for transporting thermally unstable viscous massesCHEMIEFASER LENZING AG·Filed 1997·Granted Aug 18, 1998·13 cites·32 claims
- 4655US5650112AProcess of making cellulose fibersCHEMIEFASER LENZING AG·Filed 1994·Granted Jul 22, 1997·10 cites·10 claims
- 4754USRE48466EModular reactorONEA ENG AUSTRIA GMBH·Filed 2009·Granted Mar 16, 2021·0 cites·16 claims
- 4853US12140234B2ValveAUROTEC GMBH·Filed 2021·Granted Nov 12, 2024·0 cites·18 claims
- 4953US9751247B2Extrusion methodZIKELI STEFAN·Filed 2012·Granted Sep 5, 2017·0 cites·16 claims
- 5052US11073177B2Rotational sliding bearingAUROTEC GMBH·Filed 2017·Granted Jul 27, 2021·1 cites·15 claims
Showing the top 50 of 72 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Stefan Zikeli files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →