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CARL LUDOWICI K A A

Overview
  • Total Patents
    25
About

CARL LUDOWICI K A A has a total of 25 patent applications. Its first patent ever was published in 1929. It filed its patents most often in Germany, France and Switzerland. Its main competitors in its focus markets civil engineering and machines are KULLERVO KETOLAINEN JA EERO SA, MIZUKUWA KK and TRAUGOTT SCHOOP.

Patent filings in countries

World map showing CARL LUDOWICI K A As patent filings in countries
# Country Total Patents
#1 Germany 21
#2 France 2
#3 Switzerland 1
#4 United Kingdom 1

Patent filings per year

Chart showing CARL LUDOWICI K A As patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 A Carl Ludowici K A 1
#2 Ludowici Wilhelm Dr-Ing 1

Latest patents

Publication Filing date Title
DE841502C Roof skin made of non-combustible material
DE734202C Extrusion press for processing plastic masses, such as clay or the like.
DE655949C Parapet connection tile
DE665166C Interlocking tiles
DE654677C Interlocking tiles
GB405126A Improvements in and relating to roofing tiles
DE623142C Brick
CH154084A Interlocking tiles, especially for flat-pitched roofs.
DE577654C Valley brick
DE599798C Interlocking tiles
DE523750C Process for the production of press or casting molds for roof tiles with a roughened surface
DE642309C Flat roof interlocking tiles
DE513622C Ridge connection tile
DE466548C Ventilation tile with transverse seams
DE493617C End closure with cross ribs on interlocking tiles
DE591556C Strand pan with a curved top edge
DE599664C Interlocking tiles
DE500393C Interlocking tile covering
DE659282C Flat roof interlocking tiles
DE501758C Side tile