IP Library Granted Patent US 10,941,546
Granted Patent B2
US 10,941,546 · App. 16/682,184 · Granted Mar 9, 2021

Mechanical electrical plumbing tunnel

Inventors: Darrin Griechen (Spokane, WA); Robert Stanford (Flowery Branch, GA)
Assignee: Katerra Inc.
E03C1/021E02D29/10E04C2/521
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 10,941,546
App. No.
16/682,184
Granted
Mar 9, 2021
Kind
B2
Abstract

A Mechanical Electrical Plumbing (MEP) tunnel is provided. The MEP tunnel includes a rear side, a first side, and a second side. The MEP tunnel is configured to be disposed in a wall frame. The MEP tunnel may also include a plurality of tubing used for mechanical, electrical, and plumbing utilities. The MEP tunnel is connected to the wall frame via two mechanical devices. The MEP tunnel can move up and down between a raised position and a lowered position in the wall frame via two tracks in the MEP tunnel and the two mechanical devices. The MEP tunnel remains in the raised position during shipping and lowered at the completion of installation.

Claims (20)

1. A Mechanical Electrical Plumbing (MEP) tunnel comprising:

a rear side;

a first side;

a second side, the second side and the first side connecting with the rear side;

at least one first open track located on the first side; and

at least one second open track located on the second side,

wherein the MEP tunnel is configured to be disposed in a wall frame.

2. The MEP tunnel of claim 1 further comprising a plurality of tubing.

3. The MEP tunnel of claim 2 wherein the plurality of tubing includes at least one of mechanical, electrical, and plumbing utilities.

4. The MEP tunnel of claim 1 further including a plate at a bottom of the MEP tunnel.

5. A wall comprising:

a frame;

a first mechanical device connected to the wall frame;

a second mechanical device connected to the wall frame; and

an MEP tunnel including a rear side connected to a first side and a second side, at least one first open track located on the first side and at least one second open track located on the second side, the first side connected to the first mechanical device, and the second side connected to the second mechanical device, and a plurality of tubing connected to at least one of the first side, the second side, and the rear side.

6. The wall of claim 5 wherein the first mechanical device is connected to the first side via the at least one first open track and the second mechanical device is connected to the second side via the at least one second open track.

7. The wall of claim 5 wherein the MEP tunnel moves between a raised position and a lowered position.

8. The wall of claim 5 further comprising a plate at a bottom of the MEP tunnel.

9. The wall of claim 5 further comprising a third mechanical device connected to the frame and a fourth mechanical device connected to the frame.

10. The wall of claim 9 further comprising a second MEP tunnel including an other rear side connected to an other first side and an other second side, the other first side connected to the third mechanical device and the other second side connected to the fourth mechanical device.

Assignments (17)
CORRECTIVE ASSIGNMENT TO CORRECT THE US18/615,986 WAS INCORRECTLY IDENTIFIED AS US18/615,896 ON THE ORIGINAL SECURITY AGREEMENT AND ON THE USPTO COVER PAGE. PREVIOUSLY RECORDED ON REEL 67418 FRAME 492. ASSIGNOR(S) HEREBY CONFIRMS THE SECURITY INTEREST. Recorded Jan 15, 2026
From: ONX, INC.
To: ODYSSEY REINSURANCE COMPANY
Reel/Frame 075354/0646 →
CORRECTIVE ASSIGNMENT TO CORRECT THE APPLICATION NUMBER PREVIOUSLY RECORDED AT REEL: 67309 FRAME: 719. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT . Recorded Dec 10, 2025
From: ONX, INC.
To: ALTER DOMUS (US) LLC
Reel/Frame 074974/0237 →
SECURITY INTEREST Recorded May 15, 2024
From: ONX, INC.
To: ODYSSEY REINSURANCE COMPANY
Reel/Frame 067418/0492 →
SECURITY INTEREST Recorded May 3, 2024
From: ONX, INC.
To: MRB ENTERPRISES LLC
Reel/Frame 067313/0747 →
NOTICE OF GRANT OF SECURITY INTEREST IN PATENTS Recorded May 3, 2024
From: ONX, INC.
To: ALTER DOMUS (US) LLC
Reel/Frame 067309/0719 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 27, 2024
From: RENU, INC.
To: ONX, INC.
Reel/Frame 066922/0649 →
SECURITY INTEREST Recorded Dec 5, 2023
From: RENU, INC.
To: ODYSSEY REINSURANCE COMPANY
Reel/Frame 065766/0174 →
NOTICE OF GRANT OF SECURITY INTEREST IN PATENTS Recorded Dec 4, 2023
From: RENU, INC.
To: ALTER DOMUS (US) LLC
Reel/Frame 065771/0910 →
CORRECTIVE ASSIGNMENT TO CORRECT THE APPLICATION NUMBER 17227632 TO 17224632 PREVIOUSLY RECORDED AT REEL: 059462 FRAME: 0917. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT. Recorded Jul 19, 2023
From: RENU, INC.
To: NBSF LLC.
Reel/Frame 064337/0408 →
RELEASE OF SECURITY INTEREST Recorded Mar 31, 2023
From: ALTER DOMUS (US) LLC
To: RENU, INC.
Reel/Frame 063192/0385 →
ASSIGNMENT OF PATENT SECURITY AGREEMENT Recorded Apr 20, 2022
From: NBSF LLC
To: ALTER DOMUS (US) LLC
Reel/Frame 059714/0001 →
SECURITY INTEREST Recorded Mar 31, 2022
From: RENU, INC.
To: NBSF LLC.
Reel/Frame 059461/0917 →
CHANGE OF NAME Recorded Nov 5, 2021
From: ONX MATERIALS INC.
To: RENU, INC.
Reel/Frame 058039/0167 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 5, 2021
From: KATERRA, INC.
To: ONX MATERIALS INC.
Reel/Frame 058034/0960 →
RELEASE OF SECURITY INTEREST RECORDED AT REEL/FRAME 57261/0035 Recorded Sep 23, 2021
From: SB INVESTMENT ADVISERS (UK) LIMITED,
To: KATERRA, INC.
Reel/Frame 057594/0944 →
PATENT SECURITY AGREEMENT Recorded Jun 11, 2021
From: KATERRA INC.
To: SB INVESTMENT ADVISERS (UK) LIMITED
Reel/Frame 057261/0035 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 4, 2021
From: GRIECHEN, DARRIN; STANFORD, ROBERT
To: KATERRA INC.
Reel/Frame 055145/0242 →
Continuity (2)
Provisional Application 62760411 · Nov 13, 2018
Related Publication 20200149251A1 · May 14, 2020