Page 12 - DS509_E dehnprotects
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Milestones from over 100 years



            of corporate history





                                                    1921:                                                          1958:
                                                    A subsidiary is set                                 The world’s first separa-
                                                    up in Neumarkt                                     ble earth electrode, also
                                                    in der Oberpfalz -                                 referred to as earth rod,
                                                    today’s head office.                                   enters the market.






                                1910:                  1923:              1933:                     1948:
                                Hans Dehn registers    Hans Dehn starts   Hans Dehn’s sons join     The Dehn family decides
                                an electrical instal-  manufacturing      the company which         to move their produc-
                                lation company in      lightning protec-  now operates under        tion from Nuremberg to
                                Nuremberg and starts   tion and earthing   the company name         Neumarkt.
                                to install lightning   equipment.         DEHN & SÖHNE.
                                protection systems.











               1910


                                             1920              1930               1940              1950






                                              1918:                                                     1953:
                                              He comes up with a                                   Richard Dehn is
                                              new lightning pro-                                   granted his first
                                              tection component,                                patent for the inven-
                                              a ridge conductor                                 tion of a ball pin for
                                              holder for lightning                               safety equipment.
                                              protection wires,                                 This invention paves
                                              and is granted his                                   the way for our
                                              first patent for his                                safety equipment
                                              invention.                                               portfolio.





                                                                  1929:
                                                                  Hans Dehn is                          1954:
                                                                  granted his                   DEHN introduces to
                                                                  second                      the market the world’s
                                                                  patent                       first surge arrester for
                                                                  for the                      indoor use, J250. This
                                                                  invention of                 forms the foundation
                                                                  a test sleeve                 for our surge protec-
                                                                  for lightning                     tion portfolio.
                                                                  rods.
                                                                                                        1954:
                                                                                                 DEHN becomes an
                                                                                                 exporting country:
                                                                                                First representative
                                                                                                  office in Austria.






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