Aquarium system, back panel assembly, and methods of use

Gregory Van Eyk, Middleton, WI (US); Kevin Sears, Middleton, WI (US); Terry Allen Willemin, Middleton, WI (US); William Nathan Brunner, Middleton, WI (US)

USPTO: us-12653167 · published 2026-06-16 · patents · A01K 63/045· A01K 63/065· B01D 27/142· B01D 46/0005

Aquarium system, back panel assembly, and methods of use

William Nathan Brunner, Middleton, WI (US) , Gregory Van Eyk, Middleton, WI (US) , Kevin Sears, Middleton, WI (US) , Terry Allen Willemin, Middleton, WI (US) This is my paper

Pith reviewed 2026-06-21 14:02 UTC · model grok-4.3

classification patents A01K 63/045A01K 63/065B01D 27/142B01D 46/0005

keywords aquariumback panel assemblydependent lipspaced openingsrim tabscartridge holderremovable attachmenthousing cavity

0 comments

The pith

A back panel assembly for aquariums attaches removably to the rim at multiple positions via spaced openings on a dependent lip.

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The paper presents a back panel assembly consisting of a housing with an internal cavity and a dependent lip next to the open top. This lip features multiple spaced openings sized to receive tabs from an aquarium rim, enabling the housing to be attached or repositioned at various locations along the rim. A cartridge holder sits removably inside the cavity. The design supports selective placement of the assembly without fixed mounting, allowing it to serve as a modular component for the aquarium system.

Core claim

The back panel assembly comprises a housing having a surrounding wall defining an internal cavity, an open top in communication with the cavity, a bottom opposite the open top, and a dependent lip adjacent to the open top projecting from the wall, where the dependent lip has a connecting structure comprising a plurality of spaced openings sized to receive corresponding tabs from an aquarium rim positioned along the lip length to enable selective positioning at multiple locations for removable attachment, plus a cartridge holder removably positioned in the cavity.

What carries the argument

The dependent lip with its connecting structure of spaced openings that receive rim tabs for multi-location removable attachment.

If this is right

The back panel can be moved or removed without damaging the aquarium rim or requiring tools.
Multiple back panels can occupy different positions on the same aquarium rim simultaneously.
The cartridge holder remains accessible for replacement or servicing through the open top after attachment.
The housing provides a contained space for cartridges while maintaining compatibility with standard rim tabs.

Where Pith is reading between the lines

These are editorial extensions of the paper, not claims the author makes directly.

This attachment method could allow users to adjust accessory placement based on tank layout changes over time.
Similar tab-and-opening designs might apply to other aquarium add-ons like lights or heaters for consistent modularity.
If rim tabs vary in spacing across aquarium models, the opening pattern would need to match common configurations to work broadly.

Load-bearing premise

The spaced openings on the dependent lip will align with and securely engage corresponding tabs on an aquarium rim across multiple positions without causing instability, leakage, or interference with the aquarium's structural integrity or water containment.

What would settle it

Testing whether the assembly stays securely attached and level when shifted to different positions along the rim while the aquarium holds water and experiences normal vibrations or movement.

read the original abstract

1 . A back panel assembly for an aquarium; the back panel assembly comprising: (a) a housing having a surrounding wall defining an internal cavity; an open top in communication with the cavity; a bottom opposite of the open top; and a dependent lip adjacent to the open top projecting from the wall; (i) the dependent lip having a connecting structure comprising a plurality of spaced openings sized to receive corresponding tabs from an aquarium rim, wherein the spaced openings are positioned along a length of the dependent lip to enable selective positioning of the back panel assembly at multiple locations along the aquarium rim permitting the housing to be removably attached to an aquarium; and (b) a cartridge holder removably positioned in the cavity of the housing.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Desk Editor's Note private letter to a colleague

This is a standard US utility patent claiming a multi-position mounting lip with spaced openings plus an internal cartridge holder for aquarium back panels, but it is purely descriptive with no tests or data.

read the letter

This patent describes a back panel assembly where a housing has a dependent lip with multiple spaced openings that catch tabs on the aquarium rim, allowing the unit to sit at different spots along the length. A removable cartridge holder sits inside the cavity. That combination is presented as the core of the claim.

The text does a clear job laying out the geometry: surrounding wall, internal cavity, open top, bottom, and the lip's connecting structure sized for the tabs. The description is direct about how the openings enable selective positioning and removable attachment.

The limitation is obvious and central. There are no measurements, no stability checks, no leakage tests, and no discussion of how the tabs actually engage under load or across different aquarium models. The assumption that the spaced openings will line up and hold securely without wobble or interference is stated but not examined. This is a design specification, not a validated mechanism.

The document is aimed at manufacturers or patent examiners who need the exact structural claim for prior-art or infringement purposes. It has no empirical results, no comparisons to existing mounts, and no falsifiable predictions, so it does not belong in a research reading group.

I would not cite it in technical work and would not send it for peer review. It is a patent filing that stands or falls on its claim language and drawings, not on evidence that needs referee scrutiny.

Referee Report

0 major / 0 minor

Summary. The manuscript is a US utility patent whose central claim (Claim 1) is a structural description of a back panel assembly for an aquarium. The assembly consists of a housing with a surrounding wall defining an internal cavity, an open top, a bottom, and a dependent lip adjacent to the open top; the lip contains a connecting structure of spaced openings sized to receive tabs from an aquarium rim, enabling removable attachment at multiple locations along the rim. A cartridge holder is removably positioned in the cavity.

Significance. The design describes a modular attachment mechanism that could allow repositionable placement of aquarium components such as filters or media holders. Because the document contains only a descriptive specification with no empirical data, performance metrics, testing, or falsifiable predictions, any significance is limited to the potential utility of the enumerated structural features if they are later validated.

Simulated Author's Rebuttal

0 responses · 0 unresolved

We thank the referee for their thorough review and positive recommendation to accept the manuscript. The document is a US utility patent application whose claims are directed to a novel structural assembly, as is standard for such filings.

Circularity Check

0 steps flagged

No circularity: direct structural description only

full rationale

The document is a US utility patent (claim 1) consisting solely of a descriptive specification of physical components: a housing with dependent lip containing spaced openings for aquarium-rim tabs, plus a removable cartridge holder. No equations, derivations, fitted parameters, predictions, or self-citations appear in the provided text. The claim enumerates design features without any load-bearing step that reduces to its own inputs by construction.

Axiom & Free-Parameter Ledger

0 free parameters · 0 axioms · 0 invented entities

This document is a US patent for a mechanical aquarium component. No free parameters, scientific axioms, or invented physical entities are present in the scientific sense.

pith-pipeline@v0.9.1-grok · 5704 in / 1109 out tokens · 36859 ms · 2026-06-21T14:02:34.032333+00:00 · methodology

Aquarium system, back panel assembly, and methods of use

Core claim

What carries the argument

If this is right

Where Pith is reading between the lines

Load-bearing premise

What would settle it

discussion (0)