WALZEN IRLE GMBH innovation strategy

Patent filings in countries

#	Country	Total Patents
#1	EPO (European Patent Office)	18
#2	Germany	11
#3	United States	9
#4	Canada	7
#5	Finland	6
#6	Japan	5
#7	WIPO (World Intellectual Property Organization)	2

#	Industry
#1	Textiles and paper
#2	Thermal processes
#3	Mechanical elements
#4	Electrical machinery and energy
#5	Chemical engineering
#6	Machine tools
#7	Machines
#8	Agriculture

#	Technology
#1	Calendars
#2	Heat-exchange device details
#3	Paper-making machines
#4	Shafts
#5	Drying solid materials by removing liquid
#6	Special electric heating or lighting
#7	Rolling metal
#8	Heat-exchanger without contact
#9	Preparing grain for milling
#10	Milling

Publication	Filing date	Title
DE102017221615B3	2017-11-30	Method of manufacturing a heat exchanger and heat exchanger
DE102005014875A1	2005-03-30	Low temperature roll has annular distribution head which connects connection lines of each roll pin to peripherally spaced bores formed within roll body
EP1703018A1	2005-03-14	Device and method for the heating of rollers
EP1595025A1	2004-02-13	Plasmatized heat exchanger
DE10328557A1	2003-06-24	roller
EP1217123A1	2001-09-29	Roll in particular calender roll
DE10108128A1	2001-02-21	Roller, in particular calender roller
EP1136621A2	2001-02-08	Rotary roller
FI20010197A0	2001-02-02	Heat exchanger with safety valve
EP1094153A2	2000-07-07	Temperature-controllable roller, especially heated calender roller
DE10027757A1	2000-06-03	Roller for processing food and / or raw food products
DE10019585A1	2000-04-20	Heat exchanger with safety valve
DE10017604A1	2000-04-08	Rotatable roller
WO0053847A1	2000-03-01	Heatable calender bowl
EP1006236A2	1999-11-13	Heated calander roller
DE19950645A1	1999-10-21	Heated calender roll
EP1029976A1	1999-02-17	Roller
DE19854034A1	1998-11-16	Induction heating for thermo rolls
EP0950760A1	1998-04-01	Heat exchanger
EP0942097A1	1998-03-05	Heat exchanger