S T RITVANEN OY has a total of 22 patent applications. Its first patent ever was published in 1989. It filed its patents most often in Finland, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets engines, pumps and turbines, chemical engineering and civil engineering are KZ SELSKOKHOZ I, Jiangyin shunyong machinery factory and PROVENTIA OY.
# | Country | Total Patents | |
---|---|---|---|
#1 | Finland | 11 | |
#2 | WIPO (World Intellectual Property Organization) | 5 | |
#3 | EPO (European Patent Office) | 4 | |
#4 | United States | 2 |
# | Industry | |
---|---|---|
#1 | Engines, pumps and turbines | |
#2 | Chemical engineering | |
#3 | Civil engineering | |
#4 | Environmental technology | |
#5 | Textiles and paper | |
#6 | Mechanical elements |
# | Technology | |
---|---|---|
#1 | Mixing | |
#2 | Hydraulic engineering | |
#3 | Special non-positive-displacement engines | |
#4 | Gas-turbine plants | |
#5 | Mechanical carpet cleaning | |
#6 | Gas-flow silencers for machines | |
#7 | Cleaning | |
#8 | Steam turbines | |
#9 | Venting or aerating devices |
# | Name | Total Patents |
---|---|---|
#1 | Ritvanen Tapio | 21 |
#2 | Ritvanen Heikki Tapio Gabriel | 1 |
Publication | Filing date | Title |
---|---|---|
EP3004466A1 | Method and apparatus for collecting surface layer of liquid | |
WO2013171368A1 | Method and apparatus for attenuating sound of exhaust gases of an engine | |
EP2841189A1 | Method for finely feeding granular solids into liquid | |
FI20050419A0 | Element for attaching cabins to the carrier | |
FI20041542A0 | Auxiliary equipment for handling car tires | |
FI20031144A0 | Matt Whipping Machine | |
FI944863A0 | Automatic propp | |
FI930539A0 | Bridge transfer equipment | |
FI913684A0 | Foerfarande foer foergrening av ett roer och ett foergreningsstycke. | |
FI913196A0 | Kapventil. | |
FI896253A0 | Kapventil |