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LENNARTZ WALTER

Overview
  • Total Patents
    183
About

LENNARTZ WALTER has a total of 183 patent applications. Its first patent ever was published in 1940. It filed its patents most often in Germany, Austria and Switzerland. Its main competitors in its focus markets consumer goods, packaging and shipping and machines are KANEDA GIKEN KK, KANEDA COMPANY LTD and ISSERSTEDT ROBERT.

Patent filings in countries

World map showing LENNARTZ WALTERs patent filings in countries
# Country Total Patents
#1 Germany 71
#2 Austria 42
#3 Switzerland 42
#4 United Kingdom 13
#5 Belgium 7
#6 Canada 3
#7 France 3
#8 Spain 2

Patent filings per year

Chart showing LENNARTZ WALTERs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lennartz Walter 131
#2 Walter Lennartz 42
#3 August Windolf 1

Latest patents

Publication Filing date Title
FR2034720A7 Plastic envelope or document holder
DE1934111A1 Plastic sheet document case
DE1934112A1 Plastic sheet document
DE1911731A1 Stationery container with loose leaf fitting
GB1190313A Improvements in or Relating to Document Files
GB1199384A Improvements in or relating to Folders.
GB1179522A Stationery Holder
GB1172044A Improvements in or relating to Document Jackets
GB1195103A Improvements in Index Sheets for Filing in Document Loose-Leaf Binders.
GB1168294A An improved Suspension File
GB1156617A A Film Made of Sheet Plastics Material
GB1156616A Improvements in Suspension Document Files
GB1160023A An improved Insert Sheet for a Stationery File
GB1156906A An improved Loose-Leaf File
ES336272A1 Improvements in the books of rings. (Machine-translation by Google Translate, not legally binding)
GB1151635A A Document File Made Of Sheet Plastics Material
ES335447A1 Improvements in plastic lamp folders. (Machine-translation by Google Translate, not legally binding)
CA796990A File folder made of plastic foil
CA676435A Plastic folders and process for making same
CA827947A File folder having a plurality of pockets