F VON LANGSDORFF LICENSING LTD has a total of 38 patent applications. Its first patent ever was published in 1996. It filed its patents most often in Canada, United States and Australia. Its main competitors in its focus markets civil engineering, environmental technology and chemical engineering are GAOYUAN ROAD MAINTENANCE EQUIPMENT CO LTD, UNI INT BAUSYSTEME GMBH & CO and BARTH GMBH DR.
# | Country | Total Patents | |
---|---|---|---|
#1 | Canada | 16 | |
#2 | United States | 14 | |
#3 | Australia | 2 | |
#4 | WIPO (World Intellectual Property Organization) | 2 | |
#5 | China | 1 | |
#6 | EPO (European Patent Office) | 1 | |
#7 | Republic of Korea | 1 | |
#8 | Singapore | 1 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Environmental technology | |
#3 | Chemical engineering | |
#4 | Machines | |
#5 | Materials and metallurgy | |
#6 | Agriculture |
# | Name | Total Patents |
---|---|---|
#1 | Schmitz Michael | 17 |
#2 | Von Langsdorff Harald | 15 |
#3 | James William | 8 |
#4 | Drost Andreas | 4 |
#5 | Wagner Georg | 4 |
#6 | Barth Gunter | 3 |
#7 | Langsdorff Harald Von | 1 |
#8 | Drost Andrews | 1 |
Publication | Filing date | Title |
---|---|---|
CA3016927A1 | Integrated pavement system for collecting and recycling de-icing fluid | |
EP3377700A1 | Paving element having drainage channels and pavement system incorporating same | |
US2013136534A1 | Pollutant sequestering paving system | |
CA2504241A1 | Paving element | |
CA2363564A1 | Wall element, especially a palisade | |
US6171015B1 | Anchoring of outdoor traffic areas provided with cobblestones or paving stones | |
US5797698A | Paving elements for the water-permeable reinforcement of surfaces |