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Gunnar Lindroos
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Helsingfors, FI
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Patents Grants
last 30 patents
Information
Patent Grant
Vacuum sewer system
Patent number
RE45688
Issue date
Sep 29, 2015
Evac Oy
Vesa Lappalainen
001 -
Information
Patent Grant
Vacuum sewer system
Patent number
7,845,028
Issue date
Dec 7, 2010
Evac International Oy
Gunnar Lindroos
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Vacuum sewer system
Patent number
7,770,241
Issue date
Aug 10, 2010
Evac International Oy
Vesa Lappalainen
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Valve means
Patent number
6,748,973
Issue date
Jun 15, 2004
EVAC International Oy
Gunnar Lindroos
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Electrical control device
Patent number
5,983,414
Issue date
Nov 16, 1999
Evac AB
Gunnar Lindroos
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Electrical control device
Patent number
5,495,626
Issue date
Mar 5, 1996
Evac AB
Gunnar Lindroos
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Vacuum sewer arrangement
Patent number
5,165,457
Issue date
Nov 24, 1992
Oy Wartsila AB
Henry Olin
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Vacuum sewer arrangement
Patent number
4,928,326
Issue date
May 29, 1990
Oy Wartsila AB
Henry Olin
E03 - WATER SUPPLY SEWERAGE
Patents Applications
last 30 patents
Information
Patent Application
Vacuum Sewer System
Publication number
20080256697
Publication date
Oct 23, 2008
Gunnar Lindroos
E03 - WATER SUPPLY SEWERAGE
Information
Patent Application
Vacuum sewer system
Publication number
20070226887
Publication date
Oct 4, 2007
Vesa Lappalainen
E03 - WATER SUPPLY SEWERAGE
Information
Patent Application
Vacuum sewer system
Publication number
20070175515
Publication date
Aug 2, 2007
Gunnar Lindroos
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Vacuum sewer system
Publication number
20040237183
Publication date
Dec 2, 2004
Gunnar Lindroos
E03 - WATER SUPPLY SEWERAGE
Information
Patent Application
Valve means
Publication number
20020174892
Publication date
Nov 28, 2002
Gunnar Lindroos
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...