IP Library Granted Patent US 12,552,141
Granted Patent B2
US 12,552,141 · App. 18/160,340 · Granted Feb 17, 2026

Method of manufacturing a mat for use as a support surface

Inventors: Gaurav Agrawal (Katy, TX); Dane Manuel (Youngsville, LA)
Assignee: NPK ACCESS SOLUTIONS LLC
B32B27/20B29C39/003B29C39/02B32B27/32B32B2250/03B32B2264/067B32B2264/101B32B2264/1021B32B2264/105B32B2305/70B32B2307/744B32B2471/04
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Quick Facts
Patent No.
US 12,552,141
App. No.
18/160,340
Granted
Feb 17, 2026
Kind
B2
Abstract

Method of manufacturing mats for use as support surfaces include depositing a resin material in a mold shaped to define a mat, depositing a recycled material on a top surface of the deposited resin material, and at least one of heat treating and pressure treating the resin material and the recycled material to generate a formed mat. The recycled material and the resin material are fused together during the treatment by at least one of the heat treating and the pressure treating to form a friction layer of the formed mat comprising the fused resin material and recycled material.

Claims (18)

1 . A method of manufacturing a mat for use as a support surface, the method comprising:

separating metallic cores from plastic composite material of used locking pins which were previously used for securing mats together;

grinding the plastic composite material of the used pins to generate recycled material;

depositing a resin material in a mold shaped to define a mat;

depositing the recycled material on a top surface of the deposited resin material; and

at least one of heat treating and pressure treating the resin material and the recycled material to generate a formed mat,

wherein the recycled material and the resin material are fused together during the treatment by at least one of the heat treating and the pressure treating to form a friction layer of the formed mat comprising the fused resin material and recycled material.

2 . The method of claim 1 , wherein the recycled material comprises particulate material comprising at least one of grit, plastic, fiberglass, silica, sand, metal dust, and wood dust.

3 . The method of claim 1 , wherein the recycled material comprises a material having a melting temperature greater than a melting temperature of the resin material.

4 . The method of claim 3 , wherein the melting temperature of the recycled material is 200° C. or greater than the melting temperature of the resin material.

5 . The method of claim 1 , wherein the recycled material comprises particles having a size that is 3 microns or larger and 0.5 cm or less.

6 . The method of claim 1 , wherein the friction layer has a thickness of 5% or less of a total thickness of the formed mat.

7 . The method of claim 6 , wherein the friction layer has a thickness of 2% or less of the total thickness of the formed mat.

8 . The method of claim 1 , wherein the friction layer comprises 5% or less of a total weight of the formed mat.

9 . The method of claim 1 , wherein the resin material comprises a high-density polyethylene, medium-density polyethylene, low-density polyethylene, or mixtures thereof.

10 . The method of claim 1 , wherein the formed mat comprises the friction layer, a support layer, and a base layer.

11 . The method of claim 10 , further comprising an intermediate top layer arranged between the friction layer and the support layer, wherein the intermediate top layer is formed from the resin material.

12 . The method of claim 10 , wherein the support layer comprises walls and voids arranged in a patterned structure between the friction layer and the base layer.

Assignments (5)
RELEASE OF SECURITY INTEREST Recorded Jun 20, 2025
From: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
To: NPK ACCESS SOLUTIONS LLC (AS SUCCESSOR IN INTEREST TO NEWPARK MATS & INTEGRATED SERVICES LLC)
Reel/Frame 071468/0929 →
SECURITY INTEREST Recorded Jun 20, 2025
From: NPK ACCESS SOLUTIONS LLC
To: BANK OF AMERICA, N.A.
Reel/Frame 071472/0422 →
CHANGE OF NAME Recorded Jan 30, 2025
From: NEWPARK MATS & INTEGRATED SERVICES LLC
To: NPK ACCESS SOLUTIONS LLC
Reel/Frame 070057/0653 →
SECURITY INTEREST Recorded May 25, 2023
From: NEWPARK DRILLING FLUIDS LLC, A TEXAS LIMITED LIABILITY COMPANY; NEWPARK MATS & INTEGRATED SERVICES LLC, A TEXAS LIMITED LIABILITY COMPANY
To: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 063767/0520 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 27, 2023
From: AGARWAL, GAURAV; MANUEL, DANE
To: NEWPARK MATS & INTEGRATED SERVICES LLC
Reel/Frame 062506/0138 →
Continuity (1)
Related Publication 20240253337A1 · Aug 1, 2024
References Cited (14)
US 2793136A · Root · 1957 [cited by examiner]
US 3097080A · Weir · 1963 [cited by examiner]
US 3328231A · Sergovic · 1967 [cited by examiner]
US 3344011A · Goozner · 1967 [cited by examiner]
US 3682741A · Elliott et al. · 1972 [cited by examiner]
US 3787544A · Barnette · 1974 [cited by examiner]
US 4353947A · Northcutt · 1982 [cited by examiner]
US 4915888A · Sato · 1990 [cited by examiner]
US 5330694A · Iwaya · 1994 [cited by examiner]
US 10286856B2 · Rijpkema · 2019 [cited by examiner]
US 12350865B2 · Josefsson · 2025 [cited by examiner]
US 20070218252A1 · Donald · 2007 [cited by examiner]
US 20150299459A1 · Kulp · 2015 [cited by examiner]
US 20220314503A1 · Josefsson · 2022 [cited by examiner]