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EVAC AB

Overview
  • Total Patents
    44
About

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.

Patent filings in countries

World map showing EVAC ABs patent filings in countries

Patent filings per year

Chart showing EVAC ABs patent filings per year from 1900 to 2020

Top inventors

# 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

Latest patents

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