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LEHMANN HANS

Overview
  • Total Patents
    29
About

LEHMANN HANS has a total of 29 patent applications. Its first patent ever was published in 1909. It filed its patents most often in Germany, Switzerland and German Democratic Republic. Its main competitors in its focus markets civil engineering, surface technology and coating and consumer goods are JOHNSON RICHARDS TILES, IVC BV and ZHANGJIAGANG ELEGANT PLASTICS CO LTD.

Patent filings in countries

World map showing LEHMANN HANSs patent filings in countries

Patent filings per year

Chart showing LEHMANN HANSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lehmann Hans 19
#2 Hans Lehmann 2
#3 Gross Manfred 2
#4 Tschampel Gerda 2
#5 Rehnig Annerose 2
#6 Jumar Alfred 2
#7 Lettau Herbert 1
#8 Lueders Eduard 1
#9 Rieck Gerhard 1
#10 Klepel Manfred 1

Latest patents

Publication Filing date Title
CH662790A5 Water cycle
DD141898A1 Agents for the control of phytopathogenic bacteria and mushrooms
DD140412A1 Fungicidal agent for controlling genuine flour mushrooms
DD133885A1 Agents for the control of phytopathogenic bacteria and mushrooms
CH615887A5 Rope-control device
ES445871A1 Wall coverings
DE2447220A1 Large propellers and rotors for aircraft - are made from sheet metal layers to prevent spread of local fracture
DE2410616A1 Unsatd. polyester-polyurethanes resin combination - as coating materials having a long pot life
DE2403438A1 Ventilated shoe with perforated welt - is moulded unit with no extra inlays to ventilate feet during walking
DE2330863A1 Multiplex injection-drilling for buildings preserving - uses drilling of several holes simultaneously in stone etc. and sealing them to prevent fluid from escaping
GB496157A Improvements in and relating to water-closets
GB477191A Improvements in portmanteaux, suit-cases and the like