Variable flow adjuster for grease separator

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11554971
APP PUB NO 20220332603A1
SERIAL NO

17232845

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Importance

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Abstract

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A grease or oil separator system that includes a grease interceptor body with a variable flow control assembly. The grease interceptor system is a large tank with an inlet for wastewater and a downstream outlet for passing the wastewater minus separated grease and oil into a sewer system. Inside the tank, the grease floats to the top so that it can be removed through an opening in the top wall that provides an access port for clean out. The pickup for the outlet is located toward the bottom of the tank near the bottom wall so that only water separated from the grease flows into the sewer system. The variable flow control assembly varies the size of an opening in a conduit inside the interceptor body. Varying the size of the opening controls the flow from the inlet into the tank.

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Patent Owner(s)

Patent OwnerAddress
MI-FAB MANUFACTURING LLC1321 WEST 119TH STREET CHICAGO IL 60643

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Whiteside, Michael J Chicago, US 7 30

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Maintenance Fees

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3.5 Year Payment $1600.00 $800.00 $400.00 Jul 17, 2026
7.5 Year Payment $3600.00 $1800.00 $900.00 Jul 17, 2030
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jul 17, 2034
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Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00