STRENG PLASTIC AG innovation strategy

Patent filings in countries

#	Industry
#1	Machines
#2	Mechanical elements
#3	Machine tools
#4	Electrical machinery and energy
#5	Furniture and games

#	Technology
#1	Shaping of plastics
#2	Pipes
#3	Producing goods from plastic
#4	Cutting
#5	Unspecified technologies
#6	Certain plastics
#7	Fillers
#8	Special electric heating or lighting
#9	Nails
#10	Office furniture

Publication	Filing date	Title
EP1615528A1	2004-04-20	Connecting element and frame system
EP0635354A1	1994-07-05	Electrofusion coupler
EP0622171A1	1994-04-22	Heating device for surface welding of thermoplastics and method for producing it
EP0612953A1	1994-02-11	Connector for tubular plastic parts
US5387305A	1993-09-10	Method for producing a theroelectrically weldable zone in a thermoplastic material
CH686385A5	1992-10-29	Thermoelectric schweissverbindbare zone in thermoplastic materials.
CH686123A5	1992-09-22	Electrically weldable pipe connectors made of thermoplastic material.
EP0399081A1	1989-05-26	Electrofusion coupler having a content of thermoplastic material
CH665387A5	1985-01-23	Welding together thermoplastic pipes - using resistance heater circuit with microprocessor controller which checks resistance of element and switches system
CH664530A5	1984-12-18	Welding sleeve for thermoplastic tubes - with embedded heating element and indicator tab in annular groove