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SEIDEL & NAUMANN AG

Overview
  • Total Patents
    223
About

SEIDEL & NAUMANN AG has a total of 223 patent applications. Its first patent ever was published in 1900. It filed its patents most often in Germany, France and Switzerland. Its main competitors in its focus markets textiles and paper, computer technology and measurement are CLEMENS MUELLER AKT GES, PYONG AN CO LTD and NAEHMASCHINEN UND FAHRRAEDER F.

Patent filings in countries

World map showing SEIDEL & NAUMANN AGs patent filings in countries
# Country Total Patents
#1 Germany 92
#2 France 44
#3 Switzerland 39
#4 Austria 29
#5 United States 10
#6 United Kingdom 9

Patent filings per year

Chart showing SEIDEL & NAUMANN AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Seidel Naumann Aktiengesellsch 39
#2 Benzing Hugo 18
#3 Hugo Benzing 5
#4 Gerber Paul 4
#5 Beyer Werner 3
#6 Max Wohlfarth Reinhard 3
#7 Muetzel Wilhelm 3
#8 Kraemer Fritz 2
#9 Appelt Hans 2
#10 Schwarzbach Rudolf 2

Latest patents

Publication Filing date Title
DE746802C Device for intercepting the traversing trolley on typewriters or the like.
DE743066C Device for dropping and re-attaching the belt
DE746415C Zigzag sewing machine with a needle bar that can be swung out by a link drive
DE736775C Drive for the oscillating needle bar frame of zigzag sewing machines
US2248446A Optical profile grinding machine
DE694452C Buttonhole sewing device for zigzag sewing machines
US2164169A Optical profile grinding machine
DE688101C Thread tensioning device for sewing machines
DE736821C Drive for reciprocating grippers of lock stitch sewing machines
US2235444A Milling machine
DE675921C Advertising device for the presentation of two word images
DE668711C Lighting device for sewing machines
DE737507C Paper holding device on typewriters, accounting machines or the like.
DE672997C Height-adjustable milling machine table with horizontal milling spindle
DE677971C Line switching device for typewriters or the like.
GB464201A Improvements in or relating to clutches
DE675676C Type lever rest bearing for typewriters
DE677905C Paper guiding device on typewriters
DE669811C Device for limiting the end positions of the switching of the paper roll or corresponding moving parts of typewriters or the like.
DE691874C Device for moving the universal rail for typewriters or the like.