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SCHMITTHELM FA ERNST

Overview
  • Total Patents
    51
About

SCHMITTHELM FA ERNST has a total of 51 patent applications. Its first patent ever was published in 1954. It filed its patents most often in Germany, Switzerland and France. Its main competitors in its focus markets civil engineering, measurement and mechanical elements are FERROVIAIRES SOC, GOOSSENS ARMAND and P & M CO.

Patent filings per year

Chart showing SCHMITTHELM FA ERNSTs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Schmitthelm Eberhard 9
#2 Steuteknuel Willi 7
#3 Wehr Georg 4
#4 Steuteknuel W 2
#5 Loew Hermann 2
#6 Prof Wegner Udo Dr 2
#7 Heinrich Kaske 1
#8 Scheuermann Anton 1
#9 Dr Baeseler Wolfgang Prof Ing 1
#10 Prof Klein Rudolf Dr Ing 1

Latest patents

Publication Filing date Title
SI8110645A8 Elastic fixing of rail to concrete stepers
HU182120B Flexible rail fastening device for concrete sleepers
DE2856185B1 Device for fastening rails
CH623641A5 Motor-vehicle spring, in particular for running gear or valves
ATA176778A Device for measuring the release force of safety ski bindings
DE2810618B1 Rail fastening on sleepers
DE2528650A1 PRESSURE PLATE FOR A SPRING RAIL FASTENING
GB1154497A Improvements in or relating to Railway Rail Supporting and Securing Means
DE1602638A1 Device for screwing in cylindrical coil springs
DE1161932B Paired arrangement of spring nails for fastening rails to sleepers and spring nails for use in this arrangement
DE1067677B Zigzag folder for paper
DE1055030B Floating rail joint with foot straps
DE1057153B Resilient rail nail
DE1102791B Spring-loaded, two-shank rail nail with a nail head that is loop-shaped and curved according to a space curve
DE1053543B Resilient fastening means for the brackets on rail joints
DE1034675B Fastening of spring nails with round shaft in pre-drilled wooden sleepers
DE958604C Bracket for jewelry on pull pieces of zippers