Hampton Roads Sanitation District

États‑Unis d’Amérique


Commandez votre montre hebdomadaire Hampton Roads Sanitation District
Quantité totale PI 33
Rang # Quantité totale PI 44 217
Note d'activité PI 2/5.0    14
Rang # Activité PI 61 091
Classe Nice dominante Traitement de matériaux; recycla...

Brevets

Marques

14 6
4 0
9 0
0
 
Dernier brevet 2025 - Adjustable gas siphon for mixing...
Premier brevet 1988 - High-rate biological waste water...
Dernière marque 2022 - NUTRIGREEN
Première marque 2017 - SWIFT

Industrie (Classification de Nice)

Derniers inventions, produits et services

2025 P/S Water treatment services
2024 Invention Adjustable gas siphon for mixing densified solids in water systems. Apparatus and method for mix...
Invention Adjustable gas siphon for mixing densified solids in water systems. Apparatus and method for mixi...
Invention Apparatus and method for biofilm management. The subject of this invention is to use beneficial ...
Invention Method and apparatus for multi-deselection in wastewater treatment. A method and system for dese...
2022 P/S Fertilizers and manures
Invention Method and apparatus for multi-deselection in wastewater treatment. This disclosure relates to ph...
Invention Method and apparatus for nutrient removal using anoxic biofilms. A methodology, system and appara...
2019 Invention Apparatus and method for biofilm management in water systems. An apparatus and a method for remov...
Invention Apparatus and method for biofilm management in water systems. An apparatus and a method for remo...
2017 P/S Waste water treatment services; Water treatment services
P/S Bottled drinking water; Drinking water
P/S Drinking water; Bottled drinking water
P/S Water treatment services; Waste water treatment services
Invention Method and apparatus for nutrient removal with carbon addition. This disclosure relates to nitro...
2016 Invention Method and apparatus for maximizing nitrogen removal in wastewater. A reactor and control method...
Invention Method and apparatus for maximizing nitrogen removal from wastewater. A reactor and control meth...
Invention Method and apparatus for nitrogen removal in wastewater treatment. 4) and oxidized nitrogen (NOx)...
Invention Method and apparatus for nitrogen removal in wastewater. A reactor and control method thereof fo...
Invention Method and apparatus for wastewater treatment using gravimetric selection. A method and a system ...
2015 Invention Method for deammonification process control using ph, specific conductivity, or ammonia. A method...
Invention A method for deammonification process control using ph, specific conductivity, or ammonia. A meth...
Invention Method and apparatus for wastewater treatment using external selection. A method and an apparatus...
2014 Invention Method and apparatus for maximizing nitrogen removal from wastewater. A reactor and control metho...
Invention Method and apparatus for maximizing nitrogen removal from wastewater. x concentrations approximat...
2013 Invention Method and apparatus for nitrogen removal in wastewater treatment. One or more reactor and one or...
Invention Method and apparatus for nitrogen removal in wastewater treatment. A reactor and control method t...
2011 Invention Valve operating nut protector. A protective assembly for an operating nut of an actuator for a va...
2002 Invention Sample collection system. A system for collecting a representative, non-contaminated sample inclu...
1988 Invention High-rate biological waste water treatment process using activated sludge recycle. A high-rate bi...