Priority Date: 04.11.13 (US 201361899662P)

Method and apparatus for machining diamonds and gemstones using filamentation by burst ultrafast laser pulses

  • Application ID: EP14191146


Employment test 11 - 50 employees
Company dna puschmann borchert bardehle
operating since 1968
Headquarter in Oberhaching and 1 office
active in Legal Services


This EP application has the IPC combination B23 (MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR) and B28 (WORKING CEMENT, CLAY, OR STONE). We found, that Patentb├╝ro Paul Rosenich AG, Kehl Ascherl Liebhoff & Ettmayr, Tetzner & Partner mbB, NV Bekaert SA, HILTI AG and 1 other are specialized in this combination either. For a similar patent, they might be a good choice.


  • 04.11.2013 - Priority Date (US 201361899662P)
  • 06.05.2015 - Publication A1 (EP2868421)
  • 24.05.2017 - Publication B1 (EP2868421)

IPC Classification