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EP1813734
Vacuum sewer system
Filed
Dec 15, 2006
Technology
Mechanical engineering · Mechanical elements +1
UPC cases
2
Ownership history
As recorded at the EPO. Transfers made after the opposition period are recorded in national registers and may be missing here.
Hover an owner to see their dates
- Evac Oysince Sep 23, 2016; EPO record ends Sep 15, 2017
- Evac International OyJun 29, 2007 – Sep 23, 2016
Abstract
The present invention relates to a sewer system comprising a sewage receptacle (1), sewer piping (3) connected to the sewage receptacle by means of a discharge valve (2), a vacuum generating means (4) for generating vacuum in the sewer piping, a control mechanism (5) for controlling the discharge valve, and a vacuum buffer means. In order to provide a small volume vacuum buffer means that may provide a timely raising of the vacuum level available for the control mechanism (5), the vacuum buffer means comprises an active buffer device (10) in fluid communication with the control mechanism (5) and the sewer piping (3).
Litigation history
| Date | Case | Division | Type | Outcome | Parties |
|---|---|---|---|---|---|
| Jun 22, 2026 | UPC CFI 811/2024 | Dusseldorf LD | Infringement | Locked | Evac Oy +4 |
Additional proceedings on this patent
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