Sewer system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 12, 2001
Grant Date -
N/A
app pub date -
Jun 30, 1999
filing date -
Jul 1, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sewer system includes a disposal system under atmospheric pressure, a sanitary unit provided with a water trap, and a branch sewer pipe connecting the sanitary unit to the disposal system. A vacuum generator is connected to the branch sewer pipe for generating underpressure in the branch sewer pipe. The vacuum generator is connected to the branch sewer pipe in a manner that allows waste to pass through the branch sewer pipe to the disposal system without obstruction by a temporary closure element.
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Cited Art Landscape
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