ARNTYR OSCAR SVEN has a total of 33 patent applications. Its first patent ever was published in 1980. It filed its patents most often in Canada, Finland and Norway. Its main competitors in its focus markets civil engineering, machines and mechanical elements are FUJIAN THIRD CONSTRUCTION ENGINEERING CO LTD, STADLER DAVID M and DEA DUK CHEMISTRY CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | Canada | 5 | |
#2 | Finland | 5 | |
#3 | Norway | 5 | |
#4 | Sweden | 5 | |
#5 | United States | 5 | |
#6 | EPO (European Patent Office) | 3 | |
#7 | WIPO (World Intellectual Property Organization) | 3 | |
#8 | Denmark | 1 | |
#9 | Ireland | 1 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Machines | |
#3 | Mechanical elements |
# | Technology | |
---|---|---|
#1 | Sewers | |
#2 | Foundations and excavations | |
#3 | Domestic plumbing installations | |
#4 | Roof coverings | |
#5 | Unspecified technologies | |
#6 | Pipes |
# | Name | Total Patents |
---|---|---|
#1 | Arntyr Oscar Sven | 22 |
#2 | Engstroem Thord Ingemar | 13 |
#3 | Arntyr Oscar S | 10 |
#4 | Engstrom Thord I | 5 |
#5 | Engstroem Thord I | 5 |
#6 | Engstrom Thord Ingemar | 4 |
#7 | Engstroem Thord Ingmar | 1 |
Publication | Filing date | Title |
---|---|---|
CA1208447A | Method and apparatus for laying drains in frost- susceptible ground, and drains laid in such ground | |
FI830775A0 | Procedure for reducing the framework of the framework and the system | |
CA1172050A | Method and apparatus for restricting local variations in ground level in the vicinity of surface water drains and manholes | |
WO8204276A1 | A method and apparatus for restricting local variations in ground level in the vicinity of surface water drains and manholes | |
WO8202913A1 | A method and device for reducing the risk of freezing of surfacewater pipe-line systems | |
US4419232A | Filtering and collecting device for water drains | |
FI801290A | Device at wells. |