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

Patent Owner(s)

Patent Owner	Address
HYTECH POWER LLC	15340 NE 92ND STREET SUITE D REDMOND WA 98052

International Classification(s)

• C25B:ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE ....
• F02M:SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBU....
• F01N:GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHIN....
• F01P:COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING....
• F02B:INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENG....
• F02D:CONTROLLING COMBUSTION ENGINES
• B01D:SEPARATION

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Johnson, Evan Charles	Lake Stevens, US	22	55
Woods, William A	Redmond, US	24	901

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
3.5 Year Payment	$1600.00	$800.00	$400.00	Aug 16, 2026
7.5 Year Payment	$3600.00	$1800.00	$900.00	Aug 16, 2030
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Aug 16, 2034

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 3.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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

Full Text

US Patent Application No: 2023/0052,188

Onboard HHO Gas Generation System for Heavy Duty Trucks

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