EVAC AB has a total of 44 patent applications. Its first patent ever was published in 1991. It filed its patents most often in United States, EPO (European Patent Office) and Sweden. Its main competitors in its focus markets civil engineering, machines and transport are BURTON MECH CONTRACTORS, BRYANT GROUP PLC and ELECTROLUX GMBH.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 7 | |
#2 | EPO (European Patent Office) | 6 | |
#3 | Sweden | 6 | |
#4 | Finland | 5 | |
#5 | Japan | 5 | |
#6 | Norway | 3 | |
#7 | Poland | 3 | |
#8 | Canada | 2 | |
#9 | United Kingdom | 2 | |
#10 | Singapore | 2 | |
#11 | Australia | 1 | |
#12 | China | 1 | |
#13 | Germany | 1 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Machines | |
#3 | Transport | |
#4 | Engines, pumps and turbines |
# | Technology | |
---|---|---|
#1 | Sewers | |
#2 | Unspecified technologies | |
#3 | Water-closets with flushing devices | |
#4 | Unspecified technologies | |
#5 | Parachutes | |
#6 | Railway bodies | |
#7 | Siphons | |
#8 | Domestic plumbing installations |
# | Name | Total Patents |
---|---|---|
#1 | Nurmi Pekka | 8 |
#2 | Olin Henry | 7 |
#3 | Toernqvist Hans | 6 |
#4 | Lindroos Gunnar | 5 |
#5 | Wallstroem Paul | 5 |
#6 | Tell Peter | 2 |
#7 | Mattsson Roland | 2 |
#8 | Von Varfalva Palffy Bjoern | 1 |
#9 | Lowe Derek | 1 |
#10 | Collins Brian Donald | 1 |
Publication | Filing date | Title |
---|---|---|
US5873135A | Air pressure driven vacuum sewer system | |
GB9524895D0 | Odour trap for a waste water drain | |
EP0763633A1 | Membrane controlled vacuum sewer system | |
EP0659948A2 | Air pressure driven vacuum sewer system | |
FI942337A0 | The suction device | |
SE9400912D0 | Membrane-controlled vacuum outlet system for toilet bowl | |
FI934978A0 | Ejector | |
FI934126A0 | Vacuum Drainage Device | |
FI932317A0 | Sugtömningsanordning | |
FI931757A0 | Electric controller | |
EP0555984A1 | Malodour-prevention in mobile vacuum toilet systems | |
EP0515134A1 | Improvements in and relating to vacuum sewage systems | |
GB9207947D0 | Water suction arrangement | |
US5214807A | Vacuum toilet system |