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2025
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G/S
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Control valves for sewers. Sewage systems comprised or surge tanks, water traps, dump
units, fit... |
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G/S
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Automatic control valves for sewers Vacuum sewage systems comprised of sewage surge tanks, sewage... |
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2022
|
G/S
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Construction of sewage systems; Installation of utilities in the nature of sewage pipe systems in... |
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2021
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Invention
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Vacuum sewage systems with check valves and check valves for vacuum sewage systems.
A vacuum sew... |
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2020
|
Invention
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Vacuum sewage system with monitoring system and variable speed pump and methods of use. A vacuum ... |
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2019
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Invention
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Vacuum sewage system with sump breather apparatus. A vacuum sewage system includes a sump pit (12... |
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|
Invention
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Vacuum sewage system with sump breather apparatus. A vacuum sewage system includes a sump pit for... |
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2016
|
Invention
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Vacuum sewage system with monitoring system and method of use. A vacuum sewage system includes a ... |
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2015
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Invention
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Controller for vacuum sewage system. A controller for a vacuum sewage system includes a housing h... |
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2012
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Invention
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Pipe coupling. A pipe coupling that clamps onto an area adjacent the ends of abutting pipes. The ... |
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2006
|
Invention
|
Vacuum sewage system with wireless alarm.
A vacuum sewage system is provided having a sump pit (... |
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|
Invention
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Vacuum sewage system with wireless alarm. A vacuum sewage system is provided having a sump pit (1... |
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2000
|
Invention
|
Dual backflow check valve. A dual backflow check valve for use in a vacuum sewage system, wherein... |
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1998
|
Invention
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Dual backflow check valve. A dual backflow check valve (100) for use in a vacuum sewage system (1... |
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1996
|
Invention
|
Sump-vented controller mechanism for vacuum sewerage transport system. An apparatus for pre... |
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1995
|
Invention
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Sump-vented controller mechanism for vacuum sewerage transport system. An apparatus for preventin... |
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|
Invention
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Vacuum toilet system. A vacuum toilet system efficient transport of waste material from a toilet ... |
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1994
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Invention
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Portable vacuum toilet system. 2132620 9417255 PCTABS00033 A compact, self-contained, portabl... |
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1993
|
Invention
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Vacuum toilet discharge valve. Vacuum toilet system (10) for efficient transport of wa... |
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Invention
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Vacuum toilet discharge valve. A vacuum toilet system for efficient transport of waste... |