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2025
|
P/S
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Display screen protectors for providing shade and privacy specially adapted to electronic devices... |
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P/S
|
Wastewater pumping stations; Water pumps for use in municipal and
industrial wastewater treatment... |
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2023
|
P/S
|
Sewage lift stations comprised of power-operated sewage pumps and structural parts therefor for p... |
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2022
|
P/S
|
Water and wastewater treatment equipment, namely, water filtration units for separating solid par... |
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|
P/S
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Filtering units for separating solid particles from liquids
for commercial, industrial and munic... |
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|
Invention
|
Apparatus with improved grit removal. A grit removal system with an annular grit removal chamber ... |
|
|
P/S
|
Display screen protectors for providing shade and privacy
specially adapted to electronic device... |
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2021
|
Invention
|
Circular grit remover with tube settlers.
A grit removal unit including a cylindrical grit remov... |
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|
Invention
|
Circular grit remover with tube settlers. A grit removal unit including a cylindrical grit remova... |
|
|
Invention
|
Circular parallel plate grit remover. A grit removal unit including a cylindrical grit removal ch... |
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2020
|
Invention
|
Pumping system.
A pumping system including a pumping chamber with a fluid sensor having a cylind... |
|
|
Invention
|
Pumping system. A pumping system including a pumping chamber with a fluid sensor having a cylindr... |
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2019
|
P/S
|
Water level sensors for use with a pump priming system |
|
2018
|
Invention
|
Ring grit remover. A grit removal unit for a wastewater system including a grit removal chamber w... |
|
2016
|
P/S
|
PUMPS FOR USE IN MUNICIPAL AND INDUSTRIAL WASTEWATER TREATMENT, INCLUDING SEWAGE AND WASTEWATER P... |
|
|
P/S
|
CHECK VALVES FOR USE IN MUNICIPAL AND INDUSTRIAL WATER AND WASTEWATER TREATMENT SYSTEMS; CHECK VA... |
|
|
Invention
|
Vortex-type grit chamber. A grit removal unit including an influent channel directing wastewater ... |
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2015
|
Invention
|
Pump control for operation on a variable pressure force main. A pumping unit and method controlli... |
|
|
P/S
|
Water and wastewater treatment systems, namely, grit removal units and filtering units for separa... |
|
2013
|
Invention
|
Ring grit remover with vanes. A grit removal apparatus includes a cylindrical separation chamber ... |
|
2012
|
P/S
|
Filtering units for separating solid particles from liquids and sewage for commercial, industrial... |
|
|
P/S
|
Sewage disposal and pumping equipment and parts therefor; oil and water separators; sewage and wa... |
|
|
P/S
|
Pumps, and parts therefor; Sewage and wastewater pump stations. |
|
|
Invention
|
Ring grit remover with vanes. A grit removal apparatus has a central opening between a cylindrica... |
|
|
Invention
|
Dissolved air floatation with filter system. A system for filtering organic molecules from an ele... |
|
2011
|
Invention
|
Variable influent flow channel baffle. An input channel (and method of making an input channel) f... |
|
|
Invention
|
Check valve for a pipe section. A check valve between two pipe segments including a valve body an... |
|
2010
|
Invention
|
Variable influent flow channel baffle. d is greater than or equal to the channel widths at substa... |
|
|
P/S
|
Base plate for support and mounting wet well mounted sewage pumping stations |
|
2009
|
P/S
|
Sewage and wastewater treatment systems for commercial and municipal applications. |
|
|
P/S
|
Sewage and Wastewater Treatment Devices For Commercial and Municipal Applications |
|
2008
|
P/S
|
Filtering units for separating solid particles from liquids for commercial, industrial and munici... |
|
2006
|
Invention
|
Grit trap for waste water system. A grit removal unit for a waste water system, including a round... |
|
2005
|
Invention
|
Apparatus for introducing a gas into a body of liquid. An apparatus for introducing gas into a la... |
|
2004
|
Invention
|
Pumping system. A pumping system including a fluid inlet line and a primary pump for the fluid. T... |
|
|
P/S
|
pump primer for use to prime sewage and wastewater pumps |
|
|
P/S
|
water level sensors for use with a pump priming system |
|
|
P/S
|
wastewater and sewage pump parts, namely pump primers that start in response to water pressure |
|
|
Invention
|
Assist mechanism for lifting and closing large enclosures. An assist mechanism for assisting in t... |
|
|
Invention
|
Pumping method and system.
A pumping system having a main pump with a controller and a primer. T... |
|
|
P/S
|
Water and wastewater treatment systems, comprising, sewage and wastewater pumps; aeration units; ... |
|
2003
|
Invention
|
Check valve position detector. A position detector for a check valve, including a bracket with a ... |
|
|
P/S
|
Sewage Pumping Units consisting of a pneumatic sewage ejector lift station and parts thereof |
|
|
Invention
|
Lift assist mechanism for lifting large enclosures. A lift assist mechanism for lifting a large e... |
|
2002
|
P/S
|
Industrial Machine Part, Namely, A Hood Assembly For A Wet Well Mounted Pumping Station |
|
2001
|
Invention
|
Apparatus and method for extracting particles from a fluid stream. A grit extractor includes inle... |
|
|
Invention
|
Measurement of the level of settled particles within a fluid vessel. A system and method of measu... |
|
|
P/S
|
Wastewater treatment equipment, namely, wetwell mounted pump stations |
|
|
P/S
|
Sewage and Wastewater Pump Stations |
|
|
P/S
|
Wastewater Treatment Units |
|
|
P/S
|
WASTEWATER PURIFICATION UNITS |
|
|
P/S
|
Wastewater and sewage treatment units, and parts and components thereof. |
|
|
P/S
|
Wastewater and sewage treatment units and parts and components thereof. |
|
2000
|
P/S
|
Sewage pump seals |
|
1999
|
Invention
|
Single port impeller. A single port pump impeller (20) includes two pump vanes (30) diverging arc... |
|
1998
|
Invention
|
Biological waste treatment process and apparatus. An apparatus for wastewater treatment, includes... |
|
|
Invention
|
Single port impeller. A single port pump impeller includes two pump vanes diverging arcuately and... |
|
1994
|
Invention
|
Wastewater treatment method and apparatus. A method and apparatus for treatment of biodegradable ... |
|
1991
|
Invention
|
Oxidation ditch velocity control system. An oxidation ditch for biological aerobic treatment of w... |
|
1990
|
Invention
|
Radial header for dissolved air flotation systems. A radial mixing header for use with apparatus ... |
|
|
Invention
|
Sewage pump priming system. A vacuum priming system for drawing liquid into the pumping chamber t... |
|
1988
|
Invention
|
Apparatus for filtration of a suspension. The invention relates to a self-cleaning filter in whic... |
|
1987
|
Invention
|
Apparatus for removing grit. A grit selector having an upper settling chamber and a lower grit st... |
|
1986
|
Invention
|
Submersible pump guide rail arrangement. A submersible pump guide rail arrangement which utilizes... |
|
1985
|
Invention
|
Sewage pumping station. A sump pump assembly is provided within the machinery chamber which direc... |
|
|
Invention
|
Method and apparatus for biological aerobic wastewater treatment. In accordance with preferred em... |
|
1982
|
Invention
|
Multi-position plug valve. An improved multi-position plug valve is disclosed which greatly facil... |
|
1980
|
Invention
|
Sewage pumping station. A sewage pumping or lift station is mounted on the upper edge of a standa... |
