Nagaoka International Corporation

Japon

Commandez votre montre hebdomadaire Nagaoka International Corporation
Quantité totale PI 7
Rang # Quantité totale PI 227 000
Note d'activité PI 0/5.0    0
Rang # Activité PI 1 712 852
Parent HAMADA Co., Ltd

Brevets

Marques

2 0
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5 0
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Dernier brevet 2017 - Method for treating raw water
Premier brevet 1987 - Well liner with selective isolat...

Derniers inventions, produits et services

2016 Invention Raw water treatment method. Raw water G containing arsenic in an amount exceeding an environment...
2015 Invention Method for treating raw water. A method for treating raw water is provided with which it is possi...
2013 Invention Cleaning system for sand filtration layer. To reduce the size, scale of construction, and runnin...
Invention Cleaning system for sand filtration layer. [Problem] To provide a more compact cleaning apparatus...
2012 Invention Upper-layer cleaning device for water treatment device, and method for cleaning water treatment d...
Invention Upper-layer purification device for water treatment device, and method for purifying water treatm...
2011 Invention Mixed stream nozzle. A mixed stream nozzle which can prevent accumulation and solidifying of oxi...
Invention Mixed-flow nozzle. Disclosed is a mixed-flow nozzle that can, with a simple device, prevent the d...
2010 Invention Water treatment apparatus and a method for cleaning a filter layer of a water treatment apparatus...
Invention Water treatment device and method for cleaning filtration material layer for water treatment devi...
1996 Invention Sludge dehydrating press having cylindrical inner screen case. A sludge dehydrating press include...
Invention Method of manufacturing a drum. A rotary drum type device for separating solid particles from a l...
1995 Invention Method for weaving a multi-ply fabric packing with hexagonal cells. A method for manufacturing a ...
Invention Rotary drum type device for separating solid particles from a liquid. A rotary drum type device f...
Invention Coiled well screen.
A coiled well screen includes an elongated and
flexible tubul...
Invention Multi-layer composite screen. A multi-layer composite screen having filters of a plurality of lay...
Invention Sludge dehydrating press and method for treating sludge.
A sludge dehydrating press i...
1994 Invention Sludge dehydrating press and method for treating sludge. A sludge dehydrating press device includ...
Invention Well screen having a uniform outer diameter. A well screen is composed of a plurality of screen u...
Invention Well screen having a uniform outer diameter.
A well screen is composed of a plurality...
Invention Gravity enhanced maintenance screen. A maintenance screen for use in low-velocity, shallow or hor...
Invention Screen with a surface having projections or depressions. A screen suitable for use in a device fo...
Invention Multi-layer composite screen.

A multi-layer composite screen having filters of a...
1993 Invention Device and method for holding catalyst in a radial flow reactor. A device for holding catalyst in...
Invention Permeable isolation sectioned screen. A well liner (16) having a selective isolation screen with ...
Invention Sludge dehydrating press and method for treating sludge.

Abstract of the Disclos...
Invention Sludge dehydrating press and method for treating sludge. A sludge dehydrating press includes a co...
Invention Well liner with dual concentric half screens. A well liner having dual concentric half screens fo...
1992 Invention Method of manufacturing a selective isolation screen.
A method of manufacturing a sel...
Invention Method of manufacturing a selective isolation screen. A method of manufacturing a selective isola...
Invention Permeable isolation sectioned screen. A well liner having a selective isolation screen with a lim...
Invention Method for manufacturing a packing used in a device for realizing material transfer, heat exchang...
Invention Screen with a surface having projections or depressions.

A screen suitable for u...
Invention Well screen having a protective frame for a horizontal or high-angle well.
A well scr...
Invention Well screen having a protective frame for a horizontal or high-angle well. A well screen for a ho...
1991 Invention Device and method for holding catalyst in a radial flow reactor.
A device for holding...
1987 Invention Well liner with selective isolation screen. A well liner having a selective isolation screen comp...