Application Number: AU 2026201969

Filter Media Insert Structures and Methods of Installation A Cleaner Way to Pre-Filter Stormwater Runoff

The patent provides a method of installing a pre-filtration assembly along with the structures that make it up. A non-permeable liner or curtain channels the fluid and has an opening for it to pass through. A liner pre-filtration assembly is then fitted to that opening, comprising a post, a mounting wall with its own opening

Open for Public Inspection
AU 2026201969 Featured Image

View the Filter Media Insert Structures and Methods of Installation PDF

Download the PDF version of this Application Open to Public Inspection

Download Patent Application

This patent describes a pre-filtration assembly and a method for installing it to clean stormwater as it flows through a drainage system. It comes from Solidification Products International, Inc., a company that makes oil containment and stormwater treatment products.

The Problem

Rain that runs off roads, car parks, and industrial sites picks up oil, sediment, and debris and carries them into drains, where that pollution can foul waterways. Surface runoff treatment systems use filter media to trap contaminants, but a system clogs quickly if coarse debris reaches the main media, and replacing or servicing media in the field can be awkward. A pre-filter that catches the bulk of debris first, and that can be installed and serviced cleanly as a modular unit, would protect the main treatment stage, extend its life, and make maintenance easier. The challenge is to build such an assembly so it seals properly against the flow and holds its filter material securely in place.

What This Invention Does

The patent provides a method of installing a pre-filtration assembly along with the structures that make it up. A non-permeable liner or curtain channels the fluid and has an opening for it to pass through. A liner pre-filtration assembly is then fitted to that opening, comprising a post, a mounting wall with its own opening and brackets, a basin that extends from the wall, and a second liner. The post is attached next to the liner opening, the mounting wall is secured to the post so its opening lines up with the liner opening, and a liner box is attached to the wall through the brackets and sealed to form a fluid-tight joint. Finally a pre-filter material is placed over the opening and held in place by a grating. The result is a modular pre-filter that seals against the flow, captures debris before it reaches the main media, and can be installed and serviced as a unit. The filing covers both the insert structures and the installation method.

Key Features

  • Modular pre-filter. A self-contained assembly mounts to the liner opening to catch debris before the main filter stage.
  • Fluid-tight seal. The liner box seals to the mounting wall so flow passes through the filter rather than around it.
  • Retained media. A grating holds the pre-filter material in place over the opening.
  • Defined install steps. The method sets out how the post, wall, box, media, and grating are assembled in sequence.
  • Serviceable design. Building the pre-filter as a unit makes installation and maintenance in the field easier.

Who Is Behind It

The applicant is Solidification Products International, Inc., a veteran-owned company based in Northford, Connecticut, that has supplied oil containment and stormwater treatment products to utility, municipal, industrial, and military projects for more than 30 years. The named inventors are William J. Gannon and Paul Melaccio. This filing is a divisional application from an earlier related Australian application.

Why It Matters

Keeping oil, sediment, and debris out of waterways is a growing requirement for sites that generate runoff, and the practicality of a treatment system depends heavily on how easily it can be installed and maintained. A modular pre-filter that protects the main media and seals cleanly helps systems last longer and work better between services. Protecting the design in Australia supports the company’s products and commercial activity in the local market.

Related Concepts

  • Stormwater – the runoff the assembly is designed to treat.
  • Surface runoff – the flow of rainwater that carries pollutants into drains.
  • Filter media – the material that traps contaminants.
  • Filtration – the general process the pre-filter performs.
  • Water pollution – the problem that stormwater treatment aims to reduce.

AU 2026201969 was published in the Australian Official Journal of Patents on 2 April 2026 and is open for public inspection. Patent applications represent inventions that are sought to be protected and do not necessarily reflect commercially available products.

Related Patents Open to Public Inspections

See related Patents open to public inspection.

Disclaimer

The information presented in this article is provided for general informational and illustrative purposes only.

Content on this page may be derived from publicly available intellectual property records, including patent documentation and related materials. While reasonable care is taken in compiling and summarising this information, ATMOSS does not guarantee the accuracy, completeness, currency, or reliability of any content presented.

This article is not a substitute for reviewing the original source documents. Patent applications, specifications, claims, and related records may contain detailed technical, legal, and contextual information that is not fully represented in this summary.


ATMOSS does not provide legal, technical, or commercial advice. Users should not rely on this content for decision-making purposes.
For authoritative and up-to-date information, users should refer directly to the official records available via IP Australia and other relevant intellectual property databases. Links to these official sources are provided where applicable.


ATMOSS accepts no liability for any loss, damage, or consequences arising from the use of, or reliance on, the information contained in this article.