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

Patent Owner(s)

Patent Owner	Address
COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH	NEW DELHI 110 001

International Classification(s)

• F15C:FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMP....
• F15D:FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENC....
• C02F:TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE....

• 2016 Application Filing Year
• F15C Class
• 18 Applications Filed
• 17 Patents Issued To-Date
• 94.45 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Bhandari, Vinay Manoharrao	Maharashtra, IN	3	1
# of filed Patents : 3 Total Citations : 1
Kulkarni, Amol Arvind	Maharashtra, IN	17	14
# of filed Patents : 17 Total Citations : 14
Ranade, Vivek Vinayak	Maharashtra, IN	11	40
# of filed Patents : 11 Total Citations : 40

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Patent Citation Ranking

• 0 Citation Count
• F15C Class

• 0 % this patent is cited more than
• 8 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
7.5 Year Payment	$3600.00	$1800.00	$900.00	Feb 8, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Feb 8, 2029

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 7.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
August 08, 2017	US,9725338,B2   US9725338B2	GRANTED PATENT AS SECOND PUBLICATION
November 24, 2016	US,20160340211,A1   US20160340211A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9725338

Apparatus and method for reduction in ammoniacal nitrogen from waste waters

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Abstract

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A method for treating effluent provides the effluent as an input to an apparatus having a vortex diode with aeration. The apparatus induces a cavitation assisted with aeration for the high rates of ammoniacal nitrogen in an orifice and the vortex diode with or without inserts/stabilizers to generate radicals, which reduce ammoniacal nitrogen of wastewater effectively during effluent treatments.

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Description

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Claims

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Claims data not available

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Legal Events

 

• FEPP2025
• MAFP2021
• CC2018
• I2017
• STCF2017
• P2016
• AS2016
• F2016
• PD2011

Date	Code	Event	Description
Mar 31, 2025	FEPP	FEE PAYMENT PROCEDURE	free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Feb 03, 2021	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4
Mar 27, 2018	CC	CERTIFICATE OF CORRECTION
Aug 08, 2017	I	Issuance
Jul 19, 2017	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Nov 24, 2016	P	Published
Sep 27, 2016	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:RANADE, VIVEK VINAYAK;KULKARNI, AMOL ARVIND;BHANDARI, VINAY MANOHARRAO;SIGNING DATES FROM 20160720 TO 20160726;REEL/FRAME:039866/0735 Owner name: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH, INDIA
Aug 03, 2016	F	Filing
Oct 11, 2011	PD	Priority Date