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Patents Grants
last 30 patents
Information
Patent Grant
Hot water supply device, hot water supply program, hot water supply...
Patent number
11,852,341
Issue date
Dec 26, 2023
PURPOSE CO., LTD.
Tsutomu Miyahara
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Heat source system, hot water supply system, hot water supply metho...
Patent number
11,815,290
Issue date
Nov 14, 2023
PURPOSE CO., LTD.
Toshiya Tatsumi
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Heat exchanging unit, heat exchanging apparatus, and hot water supp...
Patent number
11,739,980
Issue date
Aug 29, 2023
PURPOSE CO., LTD.
Toshiaki Aoki
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Premixing apparatus, heat source apparatus, and water heater
Patent number
11,397,003
Issue date
Jul 26, 2022
PURPOSE CO., LTD.
Tsuyoshi Sei
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Burner, combustion apparatus, method for combustion, method for con...
Patent number
11,346,580
Issue date
May 31, 2022
PURPOSE CO., LTD.
Katsumi Naitoh
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Heat exchanger tube, heat exchange unit, heat exchange apparatus, h...
Patent number
11,168,922
Issue date
Nov 9, 2021
PURPOSE CO., LTD.
Toshiaki Aoki
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Filter device and water heater
Patent number
11,103,818
Issue date
Aug 31, 2021
PURPOSE CO., LTD.
Toshiaki Aoki
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Piping connection unit, air supply or exhaust tube, and combustion...
Patent number
11,035,571
Issue date
Jun 15, 2021
PURPOSE CO., LTD.
Toshiaki Aoki
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Pressure and circulation culture apparatus and pressure and circula...
Patent number
10,829,726
Issue date
Nov 10, 2020
PURPOSE CO., LTD.
Setuo Watanabe
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Premixing apparatus, heat source apparatus, and water heater
Patent number
10,655,848
Issue date
May 19, 2020
PURPOSE CO., LTD.
Tsuyoshi Sei
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Burner, combustion apparatus, method for combustion, method for con...
Patent number
10,281,173
Issue date
May 7, 2019
PURPOSE CO., LTD.
Katsumi Naitoh
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Burner, combustion apparatus, water heating apparatus and combustio...
Patent number
9,927,143
Issue date
Mar 27, 2018
PURPOSE CO., LTD.
Katsumi Naitoh
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Pressure and circulation culture apparatus and pressure and circula...
Patent number
9,752,112
Issue date
Sep 5, 2017
PURPOSE CO., LTD.
Setuo Watanabe
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Hot water supply system, water heater and hot water supply control...
Patent number
9,518,762
Issue date
Dec 13, 2016
PURPOSE CO., LTD.
Yasutaka Hatada
G05 - CONTROLLING REGULATING
Information
Patent Grant
Drinking water dispenser
Patent number
9,061,875
Issue date
Jun 23, 2015
PURPOSE CO., LTD.
Kazutoshi Sano
B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Patents Applications
last 30 patents
Information
Patent Application
PROPORTIONAL SOLENOID VALVE CONTROL METHOD, PROPORTIONAL SOLENOID V...
Publication number
20230069994
Publication date
Mar 9, 2023
PURPOSE CO., LTD.
Yoshiaki Sano
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PREMIXING APPARATUS, HEAT SOURCE APPARATUS, AND WATER HEATER
Publication number
20220316702
Publication date
Oct 6, 2022
PURPOSE CO., LTD.
Tsuyoshi Sei
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
HEAT SOURCE SYSTEM, HOT WATER SUPPLY SYSTEM, HOT WATER SUPPLY METHO...
Publication number
20220205684
Publication date
Jun 30, 2022
PURPOSE CO., LTD.
Toshiya Tatsumi
F24 - HEATING RANGES VENTILATING
Information
Patent Application
HOT WATER SUPPLY DEVICE, HOT WATER SUPPLY PROGRAM, HOT WATER SUPPLY...
Publication number
20220136697
Publication date
May 5, 2022
PURPOSE CO., LTD.
Tsutomu Miyahara
F24 - HEATING RANGES VENTILATING
Information
Patent Application
PREMIXING APPARATUS, HEAT SOURCE APPARATUS, AND WATER HEATER
Publication number
20200158332
Publication date
May 21, 2020
PURPOSE CO., LTD.
Tsuyoshi Sei
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
HEAT EXCHANGING UNIT, HEAT EXCHANGING APPARATUS, AND HOT WATER SUPP...
Publication number
20200064020
Publication date
Feb 27, 2020
PURPOSE CO., LTD.
Toshiaki Aoki
F24 - HEATING RANGES VENTILATING
Information
Patent Application
FILTER DEVICE AND WATER HEATER
Publication number
20190126179
Publication date
May 2, 2019
PURPOSE CO., LTD.
Toshiaki Aoki
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
PIPING CONNECTION UNIT, AIR SUPPLY OR EXHAUST TUBE, AND COMBUSTION...
Publication number
20190017701
Publication date
Jan 17, 2019
PURPOSE CO., LTD.
Toshiaki Aoki
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
HEAT EXCHANGER TUBE, HEAT EXCHANGE UNIT, HEAT EXCHANGE APPARATUS, H...
Publication number
20190003739
Publication date
Jan 3, 2019
PURPOSE CO., LTD.
Toshiaki Aoki
F24 - HEATING RANGES VENTILATING
Information
Patent Application
PREMIXING APPARATUS, HEAT SOURCE APPARATUS, AND WATER HEATER
Publication number
20180231246
Publication date
Aug 16, 2018
PURPOSE CO., LTD.
Tsuyoshi Sei
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
BURNER, COMBUSTION APPARATUS, METHOD FOR COMBUSTION, METHOD FOR CON...
Publication number
20180135888
Publication date
May 17, 2018
PURPOSE CO., LTD.
Katsumi Naitoh
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
BURNER, COMBUSTION APPARATUS, AND COMBUSTION METHOD
Publication number
20180031230
Publication date
Feb 1, 2018
PURPOSE CO., LTD.
Katsumi Naitoh
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
PRESSURE AND CIRCULATION CULTURE APPARATUS AND PRESSURE AND CIRCULA...
Publication number
20170327780
Publication date
Nov 16, 2017
PURPOSE CO., LTD.
Setuo Watanabe
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
BURNER, COMBUSTION APPARATUS, WATER HEATING APPARATUS AND COMBUSTIO...
Publication number
20150253035
Publication date
Sep 10, 2015
PURPOSE CO., LTD.
Katsumi Naitoh
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
CELL OR TISSUE CULTIVATION APPARATUS AND METHOD OF CULTIVATION
Publication number
20150175953
Publication date
Jun 25, 2015
PURPOSE CO., LTD.
Setsuo Watanabe
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
HOT WATER SUPPLY SYSTEM, WATER HEATER AND HOT WATER SUPPLY CONTROL...
Publication number
20140379147
Publication date
Dec 25, 2014
PURPOSE CO., LTD.
Yasutaka Hatada
F24 - HEATING RANGES VENTILATING
Information
Patent Application
DRINKING WATER DISPENSER
Publication number
20120248141
Publication date
Oct 4, 2012
PURPOSE CO., LTD.
Kazutoshi Sano
B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Information
Patent Application
PRESSURE AND CIRCULATION CULTURE APPARATUS AND PRESSURE AND CIRCULA...
Publication number
20120156768
Publication date
Jun 21, 2012
PURPOSE CO., LTD.
Setuo Watanabe
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Trademark
last 30 trademarks
Information
Trademark
79116002
Serial number
79116002
Filing date
Mar 23, 2012
PURPOSE CO., LTD.
7 - Machines and machine tools