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  •          1979

    Establishment of J.Pröpster GmbH in Berg near Neumarkt
  •          1979

    Invention of special shiners for surgery rooms
  •          1980

    Invention of the straightening device for strips
  •          1981

    Invention of the system Multi-Clamp
  •          1982

    Invention of the system USV-clamp
  •          1982

    Systematic introduction of aluminium-alloy
  •          1982

    Introduction of stainless steel components
  •          1982

    Invention of the screw cap conductor fastener SK
  •          1983

    The move of the company to Neumarkt
  •          1983

    Invention of the system Multi-Plus
  •          1983

    Invention of the system Bimetal
  •          1983

    Invention of the system Vario-Clamp
  •          1984

    Invention of the system diagonal-cross clamp
  •          1984

    Invention of the system Niro-Clip
  •          1984

    Invention of the roof conductor holder for pantiled roofs
  •          1984

    Invention of the insulated earth lead-in rod with terminal lug
  •          1984

    Invention of the fixed earthing terminal
  •          1985

    Invention of the universal downpipe clamp
  •          1985

    Invention of the wedge connector
  •          1986

    Invention of the gutter-clamp DUO
  •          1987

    Invention of the straightening device for strips and wires
  •          1988

    Invention of the roof conductor holder "Patentstütze"
  •          1989

    Introduction of coated lightning protection components (PRÖColor)
  •          1990

    Invention of earthing busbars and equipotential bonding bars
  •          1991

    Invention of the Öko 1 roof conductor support
  •          1991

    Invetion of the parallel- and cross- terminal clamp
  •          1992

    Opening of the distribution center in Frankenberg
  •          1992

    Invention of the Öko 2 roof conductor support
  •          1993

    Invention of air-termination poles for insulated lightning protection systems
  •          1993

    Invention of the roof conductor holder adjustable to different ridge-tiles
  •          1994

    JP becomes a trademark for lightning protection components
  •          1994

    Certification of the company according to DIN ISO 9001
  •          1995

    Invention of the saddle clamp for metal sheets
  •          1996

    Invention of the optimal air-termination rod Ø16mm / Ø10mm
  •          1998

    Introduction of the ISO-Fugal round wire
  •          1998

    Invention of the lightning current arrester P-BM, type 1
  •          1999

    Introduction of test plates for lightning protection systems
  •          2000

    Introduction of the Niro-Clip for loose conductor leading
  •          2001

    Invention of the cross-saddle clamp
  •          2002

    Construction of new factory buildings in Neumarkt
  •          2002

    Invention of the Öko 3 roof conductor support
  •          2002

    Invention of the roof conductor holder with tension springs
  •          2003

    Introduction of earthing sets with railway approval
  •          2003

    Invention of the combined lightning current and surge arrester P-HMS type 1+2
  •          2003

    Invention of the fixed earthing terminal system
  •          2003

    Invention of the terminal clamp (heavy-duty type)
  •          2004

    Introduction of the conducter support for Kalzip roofs
  •          2004

    Invention of clamps for explosion-risk areas
  •          2004

    Invention of the tape conductor holder
  •          2004

    Introduction of the JP-MBF lightning protection system
  •          2005

    Invention of the concrete base with J.Pröpster wedge
  •          2005

    Introduction of the insulated adjustable stand-off with tape pipe clamp
  •          2005

    Invention of the surge protective arrester for photovoltaic systems
  •          2006

    Invention of a system for protection against touch voltages
  •          2006

    Invention of the system CC-clamp
  •          2007

    Construction of further factory buildings in Neumarkt
  •          2007

    Invention of the roof conductor support for RIB-Roof 500
  •          2007

    Invention of the connection clamp for earth lead-in rods
  •          2008

    Introduction of new connection clamps
  •          2009

    Invention of an air-termination rod system for all common shapes ofroof tiles.
  •          2009

    Invention of the clamping piece
  •          2009

    Introduction of the ISO stand-off system 16plus
  •          2010

    Introduction of air-termination rods for metal-/tin roofs
  •          2011

    Invention of a conductor holder for metal-/tin roofs
  •          2011

    Color change of the surge arrester from RED to BLUE
  •          2011

    Introduction of the Prö Cu/Al-wire
  •          2012

    Construction of new factory buildings in Neumarkt
  •          2012

    Invention of the Niro-Clip (high design)
  •          2012

    Invention of the system Vario-clamp M8-Plus
  •          2012

    Introduction of the new surge arrester series (type 1+2 and type 2)
  •          2013

    Invention of fixed earth terminals with foam cover

  •          2013

    Introduction of the protective cap for earthing conductors

  •          2013

    Introduction of the kc-clamp
  •          2013

    Introduction of protection measures in shelter hats

  •          2013

    Invention of the system smart connector

Kontakt J. Pröpster GmbH • Regensburger Straße 116 • D-92318 Neumarkt • Tel. +49 (0)9181/2590-0 • Fax +49 (0)9181/2590-10 • info@proepster.de
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