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.
# | Country | Total Patents | |
---|---|---|---|
#1 | Germany | 8 | |
#2 | Switzerland | 6 | |
#3 | German Democratic Republic | 3 | |
#4 | Austria | 2 | |
#5 | France | 2 | |
#6 | United Kingdom | 2 | |
#7 | Czechoslovakia | 1 | |
#8 | Spain | 1 | |
#9 | Finland | 1 | |
#10 | Netherlands | 1 | |
#11 | Norway | 1 | |
#12 | Sweden | 1 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Surface technology and coating | |
#3 | Consumer goods | |
#4 | Transport | |
#5 | Basic materials chemistry | |
#6 | Packaging and shipping |
# | Technology | |
---|---|---|
#1 | Layered products | |
#2 | Finishing work on buildings | |
#3 | Hand carried bags | |
#4 | Scaffolding | |
#5 | Coating compositions | |
#6 | Cycle accessories | |
#7 | Winches | |
#8 | Earth drilling | |
#9 | Aeroplanes | |
#10 | Water-closets with flushing devices |
# | 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 |
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 |