DUROC AB has a total of 25 patent applications. Its first patent ever was published in 1990. It filed its patents most often in Sweden, EPO (European Patent Office) and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets machine tools, materials and metallurgy and surface technology and coating are WESTFAELISCHE UNION A G FUER E, GI PROEKT T MONTAZHA PREDPR NE and SEMENOV VIKTOR NIKONOROVICH.
# | Country | Total Patents | |
---|---|---|---|
#1 | Sweden | 9 | |
#2 | EPO (European Patent Office) | 5 | |
#3 | WIPO (World Intellectual Property Organization) | 3 | |
#4 | Australia | 2 | |
#5 | Canada | 2 | |
#6 | Brazil | 1 | |
#7 | Czechia | 1 | |
#8 | Finland | 1 | |
#9 | United States | 1 |
# | Industry | |
---|---|---|
#1 | Machine tools | |
#2 | Materials and metallurgy | |
#3 | Surface technology and coating | |
#4 | Transport | |
#5 | Mechanical elements |
# | Technology | |
---|---|---|
#1 | Soldering, welding and flame cutting | |
#2 | Metal tempering | |
#3 | Coating metallic material | |
#4 | Metal-working | |
#5 | Vehicle wheels | |
#6 | Metalworking with concentrated electric current | |
#7 | Shafts | |
#8 | Wood saws |
# | Name | Total Patents |
---|---|---|
#1 | Olofsson Johan Lennart | 12 |
#2 | Rahkola Paavo | 4 |
#3 | Bergstroem Carl | 3 |
#4 | Olofsson Lennart | 3 |
#5 | Olofsson J L | 3 |
#6 | Ilar Per Torbjoern Edvin | 2 |
#7 | Bergstrom Carl | 1 |
#8 | Svensson Leif | 1 |
#9 | Rosell Torsten | 1 |
#10 | Lennart Olofsson Johan | 1 |
Publication | Filing date | Title |
---|---|---|
EP1097778A2 | Method for manufacturing objects of metallic material and objects manufactured with this method | |
AU4403099A | Surface hardening by particle injection into high energy beam melted surface | |
EP0971825A1 | Method for improving the properties of railway wheels and railway wheel | |
CA2200979A1 | Saw bar and method for its manufacture | |
CZ85296A3 | Method for improving railway wheel surface | |
EP0595802A1 | Method for working surfaces on metals | |
SE9000967D0 | Molybdenum-contg. self-lubricating surface layer - for machining or working of metal surfaces | |
SE9000966D0 | Process for creating surfaces having self-lubricating properties on metals | |
SE9000968D0 | Process for producing wearing surfaces on metal objects by means of surface treatment |