Inventor
ZIKELI STEFAN
AT56 patents
⚠️ This page may combine multiple inventors who share the name “ZIKELI STEFAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHEMIEFASER LENZING AG
23 patentsUS5252284AOct 12, 1993
Method of producing shaped cellulosic articles
CHEMIEFASER LENZING AG73 citations96
US5589125ADec 31, 1996
Process of and apparatus for making cellulose mouldings
CHEMIEFASER LENZING AG88 citations95
US5094690AMar 10, 1992
Process and arrangement for preparing a solution of cellulose
CHEMIEFASER LENZING AG71 citations95
US5607639AMar 4, 1997
Process for the preparation of cellulose sheet
CHEMIEFASER LENZING AG55 citations94
US5603883AFeb 18, 1997
Process of and apparatus for making celluose products
CHEMIEFASER LENZING AG42 citations93
US5330567AJul 19, 1994
Process and arrangement for preparing a solution of cellulose
CHEMIEFASER LENZING AG51 citations92
US5968434AOct 19, 1999
Process of making cellulose moldings and fibers
CHEMIEFASER LENZING AG36 citations91
US5921675AJul 13, 1999
Method for keeping and delivering a homogeneous cellulose suspension
CHEMIEFASER LENZING AG34 citations91
US5656224AAug 12, 1997
Process for the production of a cellulose suspension
CHEMIEFASER LENZING AG31 citations91
US5626810AMay 6, 1997
Process for the preparation of cellulose solutions
CHEMIEFASER LENZING AG46 citations91
US5216144AJun 1, 1993
Method of producing shaped cellulosic articles
CHEMIEFASER LENZING AG39 citations91
US5189152AFeb 23, 1993
Cellulose solution in water and nmmo
CHEMIEFASER LENZING AG25 citations91
US5984655ANov 16, 1999
Spinning process and apparatus
CHEMIEFASER LENZING AG28 citations90
US5826978AOct 27, 1998
Device and method for controlling pressure in a flowing viscous mass within a system for processing cellulose solutions
CHEMIEFASER LENZING AG18 citations82
US5794642AAug 18, 1998
Process for transporting thermally unstable viscous masses
CHEMIEFASER LENZING AG13 citations73
US5698151ADec 16, 1997
Process of making cellulose fibres
CHEMIEFASER LENZING AG13 citations73
US5650112AJul 22, 1997
Process of making cellulose fibers
CHEMIEFASER LENZING AG10 citations73
US5890504AApr 6, 1999
Process for transporting a thermally unstable viscous mass
CHEMIEFASER LENZING AG7 citations72
US5798125AAug 25, 1998
Device for the preparation of cellulose mouldings
CHEMIEFASER LENZING AG8 citations72
US5582783ADec 10, 1996
Process for controlling a flowing cellulose suspension
CHEMIEFASER LENZING AG18 citations72
US5118423AJun 2, 1992
Method of removing water from a dilute solution of n-methylmorpholine-n-oxide, n-methylmorpholine, or morpholine
CHEMIEFASER LENZING AG11 citations72
US5178764AJan 12, 1993
Process for cleaning or purifying aqueous n-methylmorpholine-n-oxide solutions
CHEMIEFASER LENZING AG10 citations71
US5755318AMay 26, 1998
Device for the continuous delivery of materials with low flowability
CHEMIEFASER LENZING AG4 citations61
ZIKELI STEFAN
8 patentsUS9447522B2Sep 20, 2016
Extrusion method
ZIKELI STEFAN11 citations84
US7364681B2Apr 29, 2008
Spinning device and method having cooling by blowing
ZIKELI STEFAN11 citations84
US9101903B2Aug 11, 2015
Modular reactor
ZIKELI STEFAN11 citations82
US9803763B2Oct 31, 2017
Pipe comprising a pressure relief valve
ZIKELI STEFAN5 citations73
US10557668B2Feb 11, 2020
Pipe system including internal heat exchangers
ZIKELI STEFAN1 citations62
US7614864B2Nov 10, 2009
Ergonomic spinning system
ZIKELI STEFAN2 citations62
US8317503B2Nov 27, 2012
Device for producing Lyocell fibers
ZIKELI STEFAN3 citations61
US8496748B2Jul 30, 2013
Polymer composition and molded articles produced therefrom
ZIKELI STEFAN2 citations57
AUROTEC GMBH
8 patentsUS9555822B2Jan 31, 2017
Electric trolley
AUROTEC GMBH10 citations83
US10208402B2Feb 19, 2019
Spin bath and method for consolidation of a shaped article
AUROTEC GMBH4 citations73
US10532507B2Jan 14, 2020
Method for the purification of a fluid and filtering device
AUROTEC GMBH2 citations71
US11073177B2Jul 27, 2021
Rotational sliding bearing
AUROTEC GMBH1 citations61
US11091453B2Aug 17, 2021
Production of an amine oxide by oxidation of a tertiary amine
AUROTEC GMBH2 citations60
US12102939B2Oct 1, 2024
Thin-layer treatment device
AUROTEC GMBH1 citations53
US11946165B2Apr 2, 2024
Method and device for filament spinning with deflection
AUROTEC GMBH0 citations52
US11187338B2Nov 30, 2021
Method of transporting a viscous fluid through a heat exchanger line
AUROTEC GMBH0 citations52
ZIMMER A G
7 patentsUS7314570B2Jan 1, 2008
Method 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 same
ZIMMER A G6 citations71
US7303710B2Dec 4, 2007
Method and device for extruding a continuous moulded body
ZIMMER A G2 citations63
US7270779B2Sep 18, 2007
Method and device for producing continuous molded bodies
ZIMMER A G2 citations63
US7029622B2Apr 18, 2006
Method for extruding a continuous molded body
ZIMMER A G2 citations63
US7025926B2Apr 11, 2006
Method for extruding a continuous shaped body
ZIMMER A G3 citations63
US7004188B2Feb 28, 2006
Anti-rupture device
ZIMMER A G2 citations63
US6644845B1Nov 11, 2003
Buffer store for polymer melts, especially cellulose solutions
ZIMMER A G3 citations62
ZIMMER AG
1 patentSMARTFIBER AG
1 patentAUSTRIAN ENERGY & ENVIRONMENT
1 patentONEA ENG AUSTRIA GMBH
1 patentShowing the top 50 of 56 patents by PatentIndex Score.