IP Library › Granted Patent US 12,498,115
Granted Patent B2
US 12,498,115 · App. 18/628,432 · Granted Dec 16, 2025

Non-gas fire pit

Inventors: Steven Merrill Harrington (Cardiff by the Sea, CA); Michael Sawalski (Racine, WI); Ryan Butrym (Cardiff by the Sea, CA); Robert Woodruff (Oconomowoc, WI); Joel Kramka (Madison, WI); Megan Piunti (Fitchburg, WI); Montel Caruthers (Madison, WI)
Assignee: Lamplight Farms Incorporated
F23B20/00F23B60/02F23L9/02
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Quick Facts
Patent No.
US 12,498,115
App. No.
18/628,432
Granted
Dec 16, 2025
Kind
B2
Abstract

A fire pit includes an combustion chamber having at least one wall defining an inner chamber. At least one primary air aperture is defined through the inner chamber wall at a first, lower level, and at least one secondary air aperture is defined through the inner chamber wall at a second, upper level. A fuel grate is supported within the inner chamber at a level between the lower level and the upper level.

Claims (11)

1 . A fire pit comprising:

a combustion chamber having at least one wall defining an inner chamber;

at least one primary air aperture defined through the inner chamber wall at a first, lower level;

at least one secondary air aperture defined through the inner chamber wall at a second, upper level;

a fuel grate supported within the inner chamber at a level between the lower level and the upper level;

a shroud surrounding the at least one wall and being spaced apart therefrom to define an intake chamber;

wherein solid fuel supported by the fuel grate, when combusted, is provided primary combustion air from below the fuel grate by the primary air apertures and provided secondary combustion air from above the solid fuel by the secondary air apertures, the secondary combustion air promoting combustion of unburned gasified combustibles rising within the inner chamber;

wherein the at least one wall is formed into a frustoconical configuration with a narrower upper end and a wider bottom end;

wherein the shroud defines at least one aperture for admitting air to the intake chamber from outside the firepit; and

wherein the shroud comprises a frustoconical configuration with a taper opposite a taper of the at least one inner wall.

2 . The firepit of claim 1 , wherein the fuel grate comprises at least one ridge extending upwardly therefrom.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 11, 2024
From: HARRINGTON, STEVEN MERRILL; SAWALSKI, MICHAEL; BUTRYM, RYAN; WOODRUFF, ROBERT
To: LAMPLIGHT FARMS INCORPORATED
Reel/Frame 067683/0979 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 11, 2024
From: HARRINGTON, STEVEN MERRILL; SAWALSKI, MICHAEL; BUTRYM, RYAN; WOODRUFF, ROBERT; KRAMKA, JOEL; PIUNTI, MEGAN; CARUTHERS, MONTEL
To: LAMPLIGHT FARMS INCORPORATED
Reel/Frame 067684/0066 →
Continuity (4)
Continuation 17088300 · Nov 3, 2020
Continuation In Part 16578926 · Sep 23, 2019
Provisional Application 62734753 · Sep 21, 2018
Related Publication 20240288156A1 · Aug 29, 2024
References Cited (9)
US 1504924A · Anderson · 1924 [cited by examiner]
US 2303406A · Smerling · 1942 [cited by examiner]
US 11092342B2 · Harrington · 2021 [cited by examiner]
US 11953198B2 · Harrington · 2024 [cited by examiner]
US 20040173207A1 · Chandaria · 2004 [cited by examiner]
US 20140238378A1 · Scott · 2014 [cited by examiner]
US 20150338104A1 · Lipinski · 2015 [cited by examiner]
WO WO2017181056A1 · 2017 [cited by examiner]
WO WO2018160767A1 · 2018 [cited by examiner]