Learn more

JAKOB LUDWIG

Overview
  • Total Patents
    11
About

JAKOB LUDWIG has a total of 11 patent applications. Its first patent ever was published in 1987. It filed its patents most often in Germany and United States. Its main competitors in its focus markets mechanical elements, electrical machinery and energy and machine tools are SMITH AND SERRELL, ROCKFORD DRILLING MACHINE CO and ROCKFORD DRILLING MACHINE COMP.

Patent filings in countries

World map showing JAKOB LUDWIGs patent filings in countries
# Country Total Patents
#1 Germany 9
#2 United States 2

Patent filings per year

Chart showing JAKOB LUDWIGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jakob Ludwig Dipl Ing 8
#2 Jakob Ludwig 2
#3 Woern Arno 1

Latest patents

Publication Filing date Title
US2012060657A1 Device to hold a work spindle
US2009018001A1 Protection device for a motor spindle
DE4238665A1 Shaft-hub connection system - has pressure sleeve flange with reduced thickness towards larger OD set in conical free space when tightening up screws.
DE4217765A1 Torsionally rigid, flexible shaft coupling - has coupling hub split at bellows attachment
DE4038470A1 Flexible, torsionally rigid shaft coupling - has two hubs joined by metal sprung elastic pieces
DE4005708A1 Movable coupling for connecting shafts not in alignment - consists of two halves, with sprung sections and intermediate piece
DE3835050A1 Torque-limiting coupling
DE3823542A1 Limit-value changeover gear
DE3809354A1 Limit-value changeover drive (changeover gear, gearshift, controlling mechanism)
DE3732753A1 Safety clutch
DE3724724A1 Coupling