IP Library Granted Patent US 11,464,234
Granted Patent B2
US 11,464,234 · App. 16/581,573 · Granted Oct 11, 2022

Pizza oven

Inventors: Harry E. Hegarty (Bellingham, WA); Lawrence Byron Johnson (Bellingham, WA); Kurt Eickmeyer (Bellingham, WA); Bryan Martens (Bellingham, WA); Greg Bird (Bellingham, WA); Mark Stephenson (Bellingham, WA); Brett Van Leeuwen (Bellingham, WA)
Assignee: Wood Stone Corporation
A21B1/40A21B1/33A21B1/44F24C15/14
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Quick Facts
Patent No.
US 11,464,234
App. No.
16/581,573
Granted
Oct 11, 2022
Kind
B2
Abstract

This disclosure relates to the field of cooking ovens for the preparation of foodstuffs in an enclosed environment including a visual flame along with a rotating cooking plate upon which foodstuffs are placed and are transported through various cooking regions before being removed from the cooking oven for consumption.

Claims (27)

1. An oven for cooking of foodstuffs, the oven comprising:

a cooking chamber;

the cooking chamber bounded on the lower surface by a cooking plate,

at least one heat element below the cooking plate;

at least one heat sensor positioned at a first region of the cooking plate;

the at least one heat sensor configured to determine the localized temperature of the first region of the cooking plate before the first region is positioned over the at least one heat element; and

circuitry configured to engage the at least one heat element to provide a calculated amount of heat via the at least one heat element to the first region for a calculated time as the first region is positioned above the at least one heat element.

2. The cooking oven as recited in claim 1 wherein the at least one heat sensor comprises more than two independent heat sensors at separate circumferential positions below the cooking plate.

3. The cooking oven as recited in claim 2 wherein each heat sensor is connected to circuitry configured to engage a heat element uniquely connected to each heat sensor.

4. The cooking oven as recited in claim 1 wherein the oven comprises a debris ring removably attached to an inner surface of the oven and extending downward into a perimeter debris collecting channel of the cooking plate.

5. The cooking oven as recited in claim 1 comprising:

a perimeter multi-flame manifold at a circumferentially offset location in the cooking chamber relative to the doorway; and

circuitry coupled to valves controlling fluid (gas) flow to the central radiant heating flame and separately actuated valves controlling fluid (gas) flow to the perimeter multi-flame manifold to maintain a thermal output offset between the central radiant heating flame and perimeter multi-flame manifold.

6. The cooking oven as recited in claim 5 wherein the circuitry is coupled to a thermal detector in the cooking chamber to adjust the thermal output of the central radiant heating flame and perimeter multi-flame manifold as a function of the temperature within the cooking chamber.

7. The cooking oven as recited in claim 1 wherein the at least one heat element below the cooking plate is a radiant heat element.

8. The cooking oven as recited in claim 7 wherein the at least one radiant heat element is a gas flame heat element.

9. The cooking oven as recited in claim 7 wherein the radiant heat element is a fiber mesh heat element.

10. The cooking oven as recited in claim 1 further comprising:

at least one sensor detecting the localized temperature of the air adjacent the cooking plate; and

a control apparatus varying the thermal output of the at least one heat element below the cooking plate as a function of the sensed localized temperature.

11. The cooking oven as recited in claim 1 further comprising:

at least one sensor detecting entry of an uncooked foodstuff;

circuitry programed to account for the additional thermal load added to the system by the uncooked foodstuff; and

a control apparatus varying the thermal output of the at least one heat element below the cooking plate as a function of the uncooked foodstuff.

12. The cooking oven as recited in claim 1 comprising a central heat deflector positioned radially between the central radiant heating flame and a baking region of the cooking plate.

13. The cooking oven as recited in claim 1 wherein the cooking plate further comprising a perimeter multi-flame manifold at a circumferentially offset broiling region in the cooking chamber.

14. The cooking oven as recited in claim 1 further comprising a baking region comprising a heat shield above the cooking plate and below the uppermost internal surface of the cooking chamber.

Assignments (2)
SECURITY INTEREST Recorded Apr 21, 2022
From: HENNY PENNY CORPORATION; HPC INVESTMENT COMPANY, LLC; HPC REAL ESTATE INVESTMENT I LTD.; WOOD STONE CORPORATION; WOOD STONE IDEAS, L.L.C.; IWD INNOVATIONS, LLC
To: PNC BANK, NATIONAL ASSOCIATION
Reel/Frame 059747/0602 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 23, 2020
From: HEGARTY, HARRY; JOHNSON, LAWRENCE BYRON; EICKMEYER, KURT I.; MARTENS, BRYAN; BIRD, GREG; STEPHENSON, MARK; VAN LEEUWEN, BRETT
To: WOOD STONE CORPORATION
Reel/Frame 052479/0540 →
Continuity (4)
Continuation 15792529 · Oct 24, 2017
Continuation 14259019 · Apr 22, 2014
Provisional Application 61814748 · Apr 22, 2013
Related Publication 20200015484A1 · Jan 16, 2020
Cited By (1)
US 12,502,030