IP Library › Granted Patent US 7,632,403
Granted Patent B2
US 7,632,403 · App. 12/027,092 · Granted Dec 15, 2009

Liquid filtration system

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Quick Facts
Patent No.
US 7,632,403
App. No.
12/027,092
Granted
Dec 15, 2009
Kind
B2
Abstract

In some embodiments, a filtration system may include one or more of the following features: (a) a housing having a bottom portion, a middle portion coupled to the bottom portion and an upper portion, and a cap coupled to the upper portion, (b) a sediment storage area within the bottom portion, (c) a separator area within the middle portion, (d) a porous filter within the upper portion, (e) an access hatch within the cap, (f) an inlet pipe for allowing storm water within a middle chamber, (g) an outlet pipe for allowing filtered water to be discharged from the filtration system, and (h) a central pipe being a passageway through the porous filter.

Claims (12)

1. A filtration system, comprising:

a modular housing having a bottom portion, a middle portion coupled to the bottom portion and an upper portion, and a cap coupled to the upper portion;

a sediment storage area within the bottom portion;

a cyclonic separator area within the middle portion;

a plurality of porous molded concrete filters within the upper portion; and

an access hatch within the cap.

2. The filtration system of claim 1 , further comprising an inlet pipe for allowing storm water within a middle chamber.

3. The filtration system of claim 2 , wherein the middle chamber is located within the upper portion above the separator and below the porous filter.

4. The filtration system of claim 1 , wherein the housing has a cylindrical shape.

5. The filtration system of claim 1 , further comprising an outlet pipe for allowing filtered water to be discharged from the filtration system.

6. The filtration system of claim 1 , further comprising a central pipe being a passageway through the porous filter.

7. The filtration system of claim 2 , wherein the inlet pipe bends at an angle above the separator.

Assignments (10)
PATENT SECURITY AGREEMENT (ABL) Recorded Mar 23, 2022
From: UNITED STATES PIPE AND FOUNDRY COMPANY, LLC; GRIFFIN PIPE PRODUCTS CO., LLC; CUSTOM FAB, INC.; BIO CLEAN ENVIRONMENTAL SERVICES, INC.; MODULAR WETLAND SYSTEMS, INC.; FORTERRA PIPE & PRECAST, LLC; FORTERRA CONCRETE PRODUCTS, INC.; FORTERRA PRECAST CONCEPTS, LLC; BEST BLOCK, LLC; PAVESTONE, LLC; CONTECH ENGINEERED SOLUTIONS LLC; KEYSTONE RETAINING WALL SYSTEMS LLC
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS AGENT
Reel/Frame 059479/0336 →
PATENT SECURITY AGREEMENT (ABL) Recorded Mar 23, 2022
From: UNITED STATES PIPE AND FOUNDRY COMPANY, LLC; GRIFFIN PIPE PRODUCTS CO., LLC; CUSTOM FAB, INC.; BIO CLEAN ENVIRONMENTAL SERVICES, INC.; MODULAR WETLAND SYSTEMS, INC.; FORTERRA PIPE & PRECAST, LLC; FORTERRA CONCRETE PRODUCTS, INC.; FORTERRA PRECAST CONCEPTS, LLC; BEST BLOCK, LLC; PAVESTONE, LLC; CONTECH ENGINEERED SOLUTIONS LLC; KEYSTONE RETAINING WALL SYSTEMS LLC
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS AGENT
Reel/Frame 059479/0437 →
RELEASE OF SECURITY INTEREST Recorded Mar 21, 2022
From: DEUTSCHE BANK TRUST COMPANY AMERICAS, AS COLLATERAL AGENT
To: FORTERRA PIPE & PRECAST, LLC; UNITED STATES PIPE AND FOUNDRY COMPANY, LLC; GRIFFIN PIPE PRODUCTS CO., LLC; CUSTOM FAB, INC.; BIO CLEAN ENVIRONMENTAL SERVICES, INC.; FORTERRA PRECAST CONCEPTS, LLC; MODULAR WETLAND SYSTEMS, INC.; FORTERRA CONCRETE PRODUCTS, INC.
Reel/Frame 060199/0286 →
RELEASE OF ABL SECURITY INTEREST IN INTELLECTUAL PROPERTY RECORDED AT REEL 053228/FRAME 0967 Recorded Mar 21, 2022
From: BANK OF AMERICA, N.A.
To: FORTERRA PIPE & PRECAST, LLC; BIO CLEAN ENVIRONMENTAL SERVICES, INC.; FORTERRA CONCRETE PRODUCTS, INC.; UNITED STATES PIPE AND FOUNDRY COMPANY, LLC; FORTERRA PRECAST CONCEPTS, LLC; MODULAR WETLAND SYSTEMS, INC.
Reel/Frame 059718/0621 →
SECURITY INTEREST Recorded Mar 18, 2022
From: FORTERRA CONCRETE PRODUCTS, INC.
To: WELLS FARGO BANK, N.A., AS AGENT
Reel/Frame 059313/0639 →
CORRECTIVE ASSIGNMENT TO CORRECT THE APP 62905899 WHICH WAS ENTERED IN ERROR AND IS TO BE REMOVED FROM THOSE PATENTS PREVIOUSLY RECORDED ON REEL 053228 FRAME 0967. ASSIGNOR(S) HEREBY CONFIRMS THE SECURITY INTEREST.. Recorded Jul 17, 2020
From: FORTERRA, INC. (A DELAWARE CORPORATION); FORTERRA PIPE & PRECAST, LLC (A DELAWARE LIMITED LIABILITY COMPANY); BIO CLEAN ENVIRONMENTAL SERVICES, INC. (A CALIFORNIA CORPORATION); FORTERRA CONCRETE PRODUCTS, INC. (AN IOWA CORPORATION); MODULAR WETLAND SYSTEMS, INC. (A CALIFORNIA CORPORATION); UNITED STATES PIPE AND FOUNDRY COMPANY, LLC (AN ALABAMA LIMITED LIABILITY COMPANY); FORTERRA PRECAST CONCEPTS, LLC (A DELAWARE LIMITED LIABILITY COMPANY)
To: BANK OF AMERICA, N.A. (A NATIONAL BANKING INSTITUTION)
Reel/Frame 053246/0963 →
SECURITY INTEREST Recorded Jul 16, 2020
From: FORTERRA, INC. (A DELAWARE CORPORATION); FORTERRA PIPE & PRECAST, LLC (A DELAWARE LIMITED LIABILITY COMPANY); BIO CLEAN ENVIRONMENTAL SERVICES, INC. (A CALIFORNIA CORPORATION); FORTERRA CONCRETE PRODUCTS, INC. (AN IOWA CORPORATION); MODULAR WETLAND SYSTEMS, INC. (A CALIFORNIA CORPORATION); UNITED STATES PIPE AND FOUNDRY COMPANY, LLC (AN ALABAMA LIMITED LIABILITY COMPANY); FORTERRA PRECAST CONCEPTS, LLC (A DELAWARE LIMITED LIABILITY COMPANY)
To: BANK OF AMERICA, N.A. (A NATIONAL BANKING INSTITUTION)
Reel/Frame 053228/0967 →
SECURITY AGREEMENT (NOTES) Recorded Jul 16, 2020
From: BIO CLEAN ENVIRONMENTAL SERVICES, INC.; FORTERRA CONCRETE PRODUCTS, INC.; GRIFFIN PIPE PRODUCTS COMPANY, LLC; MODULAR WETLAND SYSTEMS, INC.; UNITED STATES PIPE AND FOUNDRY COMPANY, LLC
To: DEUTSCHE BANK TRUST COMPANY AMERICAS, AS NOTES COLLATERAL AGENT
Reel/Frame 053229/0924 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 8, 2017
From: ROYAL ENTERPRISES AMERICA, INC.; SIGH PROPERTIES, LLC; BLUE HORIZON TRANSPORTATION, LLC; C&D BROTHERS LEASING, LLC; SEUBERT, BRIAN
To: FORTERRA CONCRETE PRODUCTS, INC.
Reel/Frame 042642/0417 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 2, 2017
From: ROYAL CONCRETE PIPE, INC. DBA ROYAL ENVIRONMENTAL SYSTEMS
To: ROYAL ENTERPRISES AMERICA, INC.
Reel/Frame 041162/0732 →