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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
VOLVO TRUCK CORPORATION	405 08 GÖTEBORG

International Classification(s)

• F01N:GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHIN....

• 2006 Application Filing Year
• F01N Class
• 581 Applications Filed
• 364 Patents Issued To-Date
• 62.66 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Core, Rayvonn Donnell	Mebane, US	5	50
# of filed Patents : 5 Total Citations : 50
Dickinson, Hugh Thomas	Greensboro, US	7	72
# of filed Patents : 7 Total Citations : 72
Lafferty, Clinton Lane	Jackson, US	3	65
# of filed Patents : 3 Total Citations : 65
Miller, William Robert	Shepherdstown, US	3	27
# of filed Patents : 3 Total Citations : 27

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Patent Citation Ranking

• 3 Citation Count
• F01N Class

• 2.80 % this patent is cited more than
• 13 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
October 16, 2012	US,8286421,B2   US8286421B2	GRANTED PATENT AS SECOND PUBLICATION
February 25, 2010	US,20100043412,A1   US20100043412A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8286421

Exhaust diffuser for a truck

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Abstract

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An exhaust diluting and diffusing apparatus includes a pipe mountable on a exhaust stack pipe, and having a flared skirt inlet to define an annular inlet, a mixing section adjacent the inlet, and an exhaust section formed as a pipe section with a multiplicity of holes. The apparatus pipe has a diameter greater than the diameter of the exhaust stack on which it is mounted.

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Description

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Claims

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Claims data not available

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Legal Events

 

• LAPS2024
• STCH2024
• FP2024
• FEPP2024
• MAFP2020
• FPAY2016
• I2012
• STCF2012
• ZAAB2012
• ZAAA2012
• P2010
• AS2009
• F2006
• PD2006
• AS2006

Date	Code	Event	Description
Nov 18, 2024	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES	free format text: PATENT EXPIRED FOR FAILURE TO PAY MAINTENANCE FEES (ORIGINAL EVENT CODE: EXP.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Nov 18, 2024	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Oct 16, 2024	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Oct 16, 2024
Jun 03, 2024	FEPP	FEE PAYMENT PROCEDURE	free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Apr 09, 2020	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 8
Mar 09, 2016	FPAY	FEE PAYMENT	year of fee payment: 4
Oct 16, 2012	I	Issuance
Sep 26, 2012	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Aug 31, 2012	ZAAB	NOTICE OF ALLOWANCE MAILED	free format text: ORIGINAL CODE: MN/=.
Aug 30, 2012	ZAAA	NOTICE OF ALLOWANCE AND FEES DUE	free format text: ORIGINAL CODE: NOA
Feb 25, 2010	P	Published
Mar 20, 2009	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:DICKINSON, HUGH THOMAS;LAFFERTY, CLINTON LANE;CORE, RAYVONN DONNELL;AND OTHERS;SIGNING DATES FROM 20090305 TO 20090312;REEL/FRAME:022438/0005 Owner name: VOLVO TRUCKS NORTH AMERICA, INC.,NORTH CAROLINA free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:DICKINSON, HUGH THOMAS;LAFFERTY, CLINTON LANE;CORE, RAYVONN DONNELL;AND OTHERS;SIGNING DATES FROM 20090305 TO 20090312;REEL/FRAME:022438/0005 Owner name: VOLVO TRUCKS NORTH AMERICA, INC., NORTH CAROLINA
Dec 21, 2006	F	Filing
Sep 07, 2006	PD	Priority Date
Jan 09, 2006	AS	ASSIGNMENT	free format text: MERGER;ASSIGNORS:VOLVO TRUCKS NORTH AMERICA, INC.;VOLVO PARTS NORTH AMERICA, LLC;VOLVO INFORMATION TECHNOLOGY NORTH AMERICA, INC.;AND OTHERS;REEL/FRAME:063238/0601 Owner name: VCF, INC., NORTH CAROLINA Effective Date: Jan 01, 2006 free format text: CHANGE OF NAME;ASSIGNOR:VOLVO GROUP NORTH AMERICA, INC.;REEL/FRAME:062799/0338 Owner name: VOLVO GROUP NORTH AMERICA, LLC, NORTH CAROLINA Effective Date: Dec 22, 2009 free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:VOLVO GROUP NORTH AMERICA, LLC;REEL/FRAME:062674/0291 Owner name: VOLVO TRUCK CORPORATION, SWEDEN Effective Date: Apr 19, 2022 free format text: CHANGE OF NAME;ASSIGNOR:VCF, INC.;REEL/FRAME:062717/0745 Owner name: VOLVO GROUP NORTH AMERICA, INC., NORTH CAROLINA Effective Date: Jan 09, 2006