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BERGROHR GMBH SIEGEN

Overview
  • Total Patents
    34
About

BERGROHR GMBH SIEGEN has a total of 34 patent applications. Its first patent ever was published in 1977. It filed its patents most often in Germany, EPO (European Patent Office) and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets machine tools and measurement are JINWOONG TECHNOLOGY CO LTD, ORESTE BIGINELLI and BALL ROLLED TUBE CORP.

Patent filings per year

Chart showing BERGROHR GMBH SIEGENs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Berg Bernd 29
#2 Bernd Berg 2
#3 Berg Fritz Dr 2
#4 Berg Heinrich Dipl Ing 2
#5 Bergrohr Gmbh Siegen 1
#6 Lortz Manfred Ing Grad 1
#7 Martin Herbert 1
#8 Berg Bernd Dipl Ing 1

Latest patents

Publication Filing date Title
DE102012019315A1 Process for the rapid production of a multilayer pipe
DE102011016173A1 Sheet bending machine, use of such a method for producing slotted tubes and method for forming a sheet to a slotted tube
WO2011110195A1 Forming line and method for producing a multi-layer pipe
US2011146366A1 Production-optimized process for producing a multilayer pipe
EP2419227A2 Bending press for sheet panels
DE102008055780A1 Bending machine for metal sheets
AU2005318485A1 Multi-layer pipe and method for its production
DE19961596C1 Transportation system for pipes with longitudinal welds has pallets to carry the pipes on a roller path which can swing across the direction of pipe travel for accurate positioning of the welding head
DE3304467A1 Apparatus for the stepwise expansion of large tubes
DE2704542A1 Tube testing press for hydrostatic internal pressure testing - has thrust and sealing plates for pressure tight sealing of both tubes at ends