OHLSON KARL GUNNAR has a total of 44 patent applications. Its first patent ever was published in 1970. It filed its patents most often in Sweden, EPO (European Patent Office) and Norway. Its main competitors in its focus markets civil engineering, materials and metallurgy and basic materials chemistry are MUNICIPAL APPLIANCES COMPANY L, SAM WOO INNOVATION MAINTENANCE and GUNTERT & ZIMMERMAN CONST DIV.
# | Country | Total Patents | |
---|---|---|---|
#1 | Sweden | 15 | |
#2 | EPO (European Patent Office) | 8 | |
#3 | Norway | 5 | |
#4 | WIPO (World Intellectual Property Organization) | 4 | |
#5 | Denmark | 3 | |
#6 | Australia | 2 | |
#7 | Switzerland | 2 | |
#8 | Austria | 1 | |
#9 | Belgium | 1 | |
#10 | Germany | 1 | |
#11 | Netherlands | 1 | |
#12 | United States | 1 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Materials and metallurgy | |
#3 | Basic materials chemistry | |
#4 | Chemical engineering | |
#5 | Machines | |
#6 | Transport | |
#7 | Measurement |
# | Technology | |
---|---|---|
#1 | Construction of roads | |
#2 | Building materials | |
#3 | Working-up pitch | |
#4 | Mixing | |
#5 | Hand carts | |
#6 | Preparing clay | |
#7 | Analysing materials |
# | Name | Total Patents |
---|---|---|
#1 | Ohlson Karl Gunnar | 30 |
#2 | Ohlson Karl-Gunnar | 4 |
#3 | Ohlson K G | 3 |
#4 | Karl Gunnar Ohlson | 1 |
Publication | Filing date | Title |
---|---|---|
EP2476529A2 | Invention that reduce or eliminate force mixing in production of asphalt pavings and cement concrete | |
EP1586706A2 | Method and device for producing asphalt mix | |
EP1408157A2 | Method and device for producing asphalt mix | |
EP0828646A1 | Infant carrier for trolleys | |
WO9528457A1 | Invention concerning production of asphaltmix | |
WO9528262A1 | Process and plant for the production of tough cement-concrete | |
WO8300700A1 | Method and apparatus for the production of asphalt concrete | |
AU8768982A | Satt och anordning for tillverkning av asfaltbetong | |
EP0045732A1 | Method and apparatus for the batchwise production of paving mixes containing mineral aggregate and bituminous binder | |
US3868262A | Methods in the production of plant-mixed asphalt concrete | |
NL179150B | Process for the preparation of hot useful asphalt composition composed of bitumes and additives. |