Patents by Inventor Kwok Din Wong
Kwok Din Wong has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11982389Abstract: A double containment fitting for engagement with double containment pipes and comprising a one-piece integral structure having at least one outer cylinder having at least two outer receiving openings, at least one inner cylinder having at least two inner receiving openings, and a plurality of ribs integral with and spacing the at least one outer cylinder from the at least one inner cylinder, thereby forming an inner fitting flow area within the inner cylinder and forming an outer fitting flow area between the at least one outer cylinder and the at least one inner cylinder and between adjacent ribs. Each inner tube of the double containment pipes are connected to the double containment fitting by being located within one of the inner receiving openings. Each outer tube of the double containment pipes are connected to the double containment fitting by being located within one of the outer receiving openings.Type: GrantFiled: September 16, 2022Date of Patent: May 14, 2024Assignee: K.D.W. Company LimitedInventors: Kwok Din Wong, Sai Hin Wong, Hang Yan Wong
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Publication number: 20240108190Abstract: A dish washing machine communication system including a dish washing machine having a dish washing machine SMS messaging system and a remote communicator with a remote communicator SMS messaging system, with the remote communicator being physically separate from the dish washing machine. The remote communicator SMS messaging system of the remote communicator sends instructions and/or requests for information to the dish washing machine SMS messaging system of the dish washing machine in text format. The dish washing machine SMS messaging system of the dish washing machine also sends information to the remote communicator SMS messaging system of the remote communicator in text format.Type: ApplicationFiled: December 12, 2023Publication date: April 4, 2024Inventors: Kwok Din WONG, Kam Por CHAN
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Publication number: 20240093820Abstract: A double containment fitting for engagement with double containment pipes and comprising a one-piece integral structure having at least one outer cylinder having at least two outer receiving openings, at least one inner cylinder having at least two inner receiving openings, and a plurality of ribs integral with and spacing the at least one outer cylinder from the at least one inner cylinder, thereby forming an inner fitting flow area within the inner cylinder and forming an outer fitting flow area between the at least one outer cylinder and the at least one inner cylinder and between adjacent ribs. Each inner tube of the double containment pipes are connected to the double containment fitting by being located within one of the inner receiving openings. Each outer tube of the double containment pipes are connected to the double containment fitting by being located within one of the outer receiving openings.Type: ApplicationFiled: September 16, 2022Publication date: March 21, 2024Inventors: Kwok Din WONG, Sai Hin WONG, Hang Yan WONG
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Publication number: 20240065516Abstract: A method of washing dishes comprising providing a housing having an interior wash space with dishes positioned therein; spraying a wash liquid onto the dishes positioned within the interior wash space with at least one spray nozzle; spraying a rinse liquid onto the dishes positioned within the interior wash space with at least one spray nozzle after spraying the wash liquid onto the dishes; and emitting ultraviolet (UV) light onto the dishes during the step of spraying the wash liquid onto the dishes, during the step of spraying the rinse liquid onto the dishes, or during both steps of spraying the wash liquid onto the dishes and spraying the rinse liquid onto the dishes.Type: ApplicationFiled: August 31, 2022Publication date: February 29, 2024Inventors: Kwok Din WONG, Sai Hin WONG, Hang Yan WONG
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Patent number: 11857131Abstract: A dish washing machine communication system including a dish washing machine including a housing having a wash space therein, with the dish washing machine including a dish washing machine SMS messaging system, and a remote communicator with a remote communicator SMS messaging system, with the remote communicator being physically separate from the dish washing machine. The remote communicator SMS messaging system of the remote communicator sends instructions and/or requests for information to the dish washing machine SMS messaging system of the dish washing machine in text format. The dish washing machine SMS messaging system of the dish washing machine sends information in response to the requests for information or automatic alerts to the remote communicator SMS messaging system of the remote communicator in text format.Type: GrantFiled: February 4, 2021Date of Patent: January 2, 2024Assignee: Continental Clean Tech LimitedInventors: Kwok Din Wong, Kam Por Chan
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Patent number: 11805963Abstract: A dish washing machine including a housing having an interior wash space for washing dishes. The housing has a liquid inlet for adding a liquid to the dish washing machine. At least one rotating spray nozzle sprays the liquid onto dishes positioned within the interior wash space. The machine further includes a heating tank for heating the liquid which is supplied to the at least one rotating spray nozzle for spraying onto the dishes in the interior wash space. Two heat exchange systems are within the housing. The two heat exchange systems transfer heat from the liquid heated by the heating tank to the liquid added to the dish washing machine from the liquid inlet. A first one of the two heat exchange systems passes heat from water in the wash tank or the interior wash space to water in the first one of the two heat exchange systems.Type: GrantFiled: April 14, 2021Date of Patent: November 7, 2023Assignee: KDW Company LimitedInventors: Kwok Din Wong, Li Zhou
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Publication number: 20230292981Abstract: A dish washing machine including a housing having an interior wash space and a liquid inlet. A spray nozzle sprays the liquid onto dishes. The machine further includes a heating tank for heating the liquid which is supplied to the rotating spray nozzle. A heat exchange system transfers heat from the liquid heated by the heating tank to the liquid added from the liquid inlet. The heat exchange system comprising a pipe system defining a first path therethrough and a second path therethrough, with the first heat exchange system transferring heat from liquid in the second path to liquid in the first path. A first surface portion of the pipe system of the first path engaging the liquid in the first path having a greater thermal conductivity than a second surface portion of the pipe system of the second path engaging the liquid in the second path.Type: ApplicationFiled: March 17, 2022Publication date: September 21, 2023Inventors: Kwok Din WONG, Li ZHOU, Sai Hin WONG, Hang Yan WONG
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Patent number: 11717132Abstract: A dish washing machine including a housing having an interior wash space for washing dishes. The housing has a liquid inlet for adding a liquid to the dish washing machine. At least one spray nozzle sprays the liquid onto dishes positioned within the interior wash space. The machine further includes a heating tank for heating the liquid which is supplied to the at least one spray nozzle for spraying onto the dishes in the interior wash space. At least one heat exchange system is within the housing. The at least one heat exchange system transfers heat from the liquid heated by the heating tank to the liquid added to the dish washing machine from the liquid inlet.Type: GrantFiled: December 2, 2021Date of Patent: August 8, 2023Assignee: KDW Company LimitedInventors: Kwok Din Wong, Li Zhou
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Publication number: 20220240746Abstract: A dish washing machine communication system including a dish washing machine including a housing having a wash space therein, with the dish washing machine including a dish washing machine SMS messaging system, and a remote communicator with a remote communicator SMS messaging system, with the remote communicator being physically separate from the dish washing machine. The remote communicator SMS messaging system of the remote communicator sends instructions and/or requests for information to the dish washing machine SMS messaging system of the dish washing machine in text format. The dish washing machine SMS messaging system of the dish washing machine sends information in response to the requests for information or automatic alerts to the remote communicator SMS messaging system of the remote communicator in text format.Type: ApplicationFiled: February 4, 2021Publication date: August 4, 2022Inventors: Kwok Din WONG, Kam Por CHAN
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Patent number: 11297997Abstract: A dish washing machine including a housing having an interior wash space for washing dishes. The housing has a liquid inlet for adding a liquid to the dish washing machine. At least one spray nozzle sprays the liquid onto dishes positioned within the interior wash space. The machine further includes a heating tank for heating the liquid which is supplied to the at least one spray nozzle for spraying onto the dishes in the interior wash space. At least one heat exchange system is within the housing. The at least one heat exchange system transfers heat from the liquid heated by the heating tank to the liquid added to the dish washing machine from the liquid inlet.Type: GrantFiled: April 4, 2018Date of Patent: April 12, 2022Assignee: K.D.W. Company LimitedInventors: Kwok Din Wong, Li Zhou
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Publication number: 20220087499Abstract: A dish washing machine including a housing having an interior wash space for washing dishes. The housing has a liquid inlet for adding a liquid to the dish washing machine. At least one spray nozzle sprays the liquid onto dishes positioned within the interior wash space. The machine further includes a heating tank for heating the liquid which is supplied to the at least one spray nozzle for spraying onto the dishes in the interior wash space. At least one heat exchange system is within the housing. The at least one heat exchange system transfers heat from the liquid heated by the heating tank to the liquid added to the dish washing machine from the liquid inlet.Type: ApplicationFiled: December 2, 2021Publication date: March 24, 2022Inventors: Kwok Din WONG, Li ZHOU
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Publication number: 20210228060Abstract: A dish washing machine including a housing having an interior wash space for washing dishes. The housing has a liquid inlet for adding a liquid to the dish washing machine. At least one rotating spray nozzle sprays the liquid onto dishes positioned within the interior wash space. The machine further includes a heating tank for heating the liquid which is supplied to the at least one rotating spray nozzle for spraying onto the dishes in the interior wash space. Two heat exchange systems are within the housing. The two heat exchange systems transfer heat from the liquid heated by the heating tank to the liquid added to the dish washing machine from the liquid inlet. A first one of the two heat exchange systems passes heat from water in the wash tank or the interior wash space to water in the first one of the two heat exchange systems.Type: ApplicationFiled: April 14, 2021Publication date: July 29, 2021Inventors: Kwok Din WONG, Li ZHOU
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Patent number: 10905306Abstract: A dish washing machine including a cabinet having a frame defining a periphery of the dish washing machine, with the cabinet having a top, a front, a rear and a pair of sides. A dish washing area is located within the cabinet and includes a nozzle for spraying a liquid onto dishes in the dish washing area. The front of the cabinet has a door for allowing access into the dish washing area. A top wash basin is on the top of the cabinet, with the top wash basin including a spout for water and a sink for accepting liquid therein. The cabinet also can include a rinse detergent tank and a wash detergent tank, wherein a rinse detergent can be added to the rinse detergent tank and a wash detergent can be added to the wash detergent tank while the wash washing machine is activated.Type: GrantFiled: March 10, 2017Date of Patent: February 2, 2021Assignee: Continental Clean Tech LimitedInventors: Kwok Din Wong, Kam Por Chan
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Publication number: 20190307307Abstract: A dish washing machine including a housing having an interior wash space for washing dishes. The housing has a liquid inlet for adding a liquid to the dish washing machine. At least one spray nozzle sprays the liquid onto dishes positioned within the interior wash space. The machine further includes a heating tank for heating the liquid which is supplied to the at least one spray nozzle for spraying onto the dishes in the interior wash space. At least one heat exchange system is within the housing. The at least one heat exchange system transfers heat from the liquid heated by the heating tank to the liquid added to the dish washing machine from the liquid inlet.Type: ApplicationFiled: April 4, 2018Publication date: October 10, 2019Inventors: Kwok Din WONG, Li ZHOU
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Publication number: 20180256001Abstract: A dish washing machine including a cabinet having a frame defining a periphery of the dish washing machine, with the cabinet having a top, a front, a rear and a pair of sides. A dish washing area is located within the cabinet and includes a nozzle for spraying a liquid onto dishes in the dish washing area. The front of the cabinet has a door for allowing access into the dish washing area. A top wash basin is on the top of the cabinet, with the top wash basin including a spout for water and a sink for accepting liquid therein. The cabinet also can include a rinse detergent tank and a wash detergent tank, wherein a rinse detergent can be added to the rinse detergent tank and a wash detergent can be added to the wash detergent tank while the wash washing machine is activated.Type: ApplicationFiled: March 10, 2017Publication date: September 13, 2018Inventors: Kwok Din WONG, Kam Por CHAN
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Patent number: 6736336Abstract: A shower head is disclosed having a front housing portion and a rear housing portion. Intermediate the front and rear housing portions is an integral filter canister including copper-zinc media for the removal of chlorine and other chemicals and contaminants. The shower head also has a plurality of spray openings for spraying water outwardly from the shower head, with a plurality of spray modes and patterns achievable by rotation of the front housing portion. A cleaning ring is also positioned within the front housing portion, it has a camming surface such that upon rotation of the front housing portion to change the spray modes, the cleaning ring is cammed forward to clean associated spray holes of accumulated minerals such as calcium.Type: GrantFiled: October 11, 2001Date of Patent: May 18, 2004Assignee: International Concepts, Inc.Inventor: Kwok Din Wong
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Publication number: 20020113145Abstract: A shower head is disclosed having a front housing portion and a rear housing portion. Intermediate the front and rear housing portions is an integral filter canister including copper-zinc media for the removal of chlorine and other chemicals and contaminants. The shower head also has a plurality of spray openings for spraying water outwardly from the shower head, with a plurality of spray modes and patterns achievable by rotation of the front housing portion. A cleaning ring is also positioned within the front housing portion, it has a camming surface such that upon rotation of the front housing portion to change the spray modes, the cleaning ring is cammed forward to clean associated spray holes of accumulated minerals such as calcium.Type: ApplicationFiled: October 11, 2001Publication date: August 22, 2002Inventor: Kwok Din Wong