KOVAMETALLI AB OY has a total of 34 patent applications. Its first patent ever was published in 1960. It filed its patents most often in Switzerland, Austria and Germany. Its main competitors in its focus markets transport, machines and materials and metallurgy are SPIKESAFE OY, BRIDGESTONE FIRESTONE NORTH AMERICAN TIRE LLC and DOUGLAS JEFFREY P.
# | Country | Total Patents | |
---|---|---|---|
#1 | Switzerland | 6 | |
#2 | Austria | 5 | |
#3 | Germany | 5 | |
#4 | Canada | 4 | |
#5 | Finland | 4 | |
#6 | France | 4 | |
#7 | United States | 3 | |
#8 | United Kingdom | 2 | |
#9 | Sweden | 1 |
# | Industry | |
---|---|---|
#1 | Transport | |
#2 | Machines | |
#3 | Materials and metallurgy |
# | Technology | |
---|---|---|
#1 | Vehicle tyre repairing | |
#2 | Producing goods from plastic | |
#3 | Alloys | |
#4 | Unspecified technologies |
# | Name | Total Patents |
---|---|---|
#1 | Lennart Hakka | 6 |
#2 | Haekkae Lennart Dipl Ing | 4 |
#3 | Hakka Lennart | 4 |
#4 | Lennart Haekkae Dipl-Ing | 3 |
#5 | Lennart Haekkae | 3 |
#6 | Hakka Ernest J | 2 |
#7 | Hakka Lennart Dipl Ing | 2 |
#8 | Haekkae L | 2 |
#9 | Aapo Kirvesniemi | 1 |
#10 | Haekkae Lennart | 1 |
Publication | Filing date | Title |
---|---|---|
FR1467600A | Hard metal manufacturing process | |
US3334678A | Skid-resistant means for pneumatic tires | |
FR1429015A | Non-slip tire studs | |
FR1388414A | non-slip element for pneumatic tires of vehicles and the like | |
US3230996A | Anti-skid means for vehicle tires and the like | |
GB987745A | Improvements in anti-skid studs to be partially embedded in the treads of vehicle wheel rubber tyres | |
FR1355855A | Method for embedding a non-slip, stud-shaped member in a pneumatic tire for vehicles or the like | |
GB974280A | Improvements in studs for fitting in vehicle tyre treads | |
CA772457A | Skid-resistant means for pneumatic tires | |
CA876519A | Anti-skid means for vehicle tire and the like | |
CA750737A | Anti-skid means for vehicle tires and the like | |
CA748694A | Anti-skid device |