Patents by Inventor Dejian HE

Dejian HE 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).

  • Publication number: 20240292995
    Abstract: An extraction cleaner may include a base, an upright body pivotally coupled to the base, a supply tank removably coupled to the upright body and a recovery tank removably coupled to the upright body. The base may include a non-removable door and a removable suction nozzle. At least one fluid dispensing nozzle may be provided on the door. The door may be pivotally coupled to the base for providing access to an agitator. The cleaner may include and auto-spray configuration. The cleaner may include a support on the upright portion for the recovery tank. The cleaner may include an additive tank received in a receptacle of the supply tank. The recovery tank may include a float and/or an airflow management configuration. The cleaner may include a cleaning tool and a suction changeover valve and/or a fluid changeover valve. The cleaner may include a mixing valve for supplying fluid to a fluid changeover valve.
    Type: Application
    Filed: May 15, 2024
    Publication date: September 5, 2024
    Inventors: Adam UDY, Lee COTTRELL, Chi Ho HUI, Jian cheng WANG, Fariha AHMED, Jennifer ANDREWS, Devan SCHAPPLER, Dejian HE, Kevin O'MALLEY, Ognjen VRDOLJAK, Peter CAHALY, Scott NIEDZWECKI, Bartholomew DE BANZIE LAMPARD, Qiang LIU, Yinhui LI, Daniel INNES, Jordan RIDGLEY, Bin YAO, Linqiang FENG, Yongsheng LAI, Mingchun ZHU, Mingliang QIN, Xavier CULLERE, Zach SHONFELD, Ryan SHIMIZU, Jeremy MCDANIEL, Richard Marc DAHLGREN
  • Publication number: 20240245272
    Abstract: An extraction cleaner may include a base, an upright body pivotally coupled to the base, a supply tank removably coupled to the upright body and a recovery tank removably coupled to the upright body. The base may include a non-removable door and a removable suction nozzle. At least one fluid dispensing nozzle may be provided on the door. The door may be pivotally coupled to the base for providing access to an agitator. The cleaner may include and auto-spray configuration. The cleaner may include a support on the upright portion for the recovery tank. The cleaner may include an additive tank received in a receptacle of the supply tank. The recovery tank may include a float and/or an airflow management configuration. The cleaner may include a cleaning tool and a suction changeover valve and/or a fluid changeover valve. The cleaner may include a mixing valve for supplying fluid to a fluid changeover valve.
    Type: Application
    Filed: June 8, 2023
    Publication date: July 25, 2024
    Inventors: Adam UDY, Lee COTTRELL, Chi Ho HUI, Jian cheng WANG, Fariha AHMED, Jennifer ANDREWS, Devan SCHAPPLER, Dejian HE, Kevin O'MALLEY, Ognjen VRDOLJAK, Peter CAHALY, Scott NIEDZWECKI, Bartholomew DE BANZIE LAMPARD, Qiang LIU, Yinhui LI, Daniel INNES, Jordan RIDGLEY, Linqiang FENG, Yongsheng LAI, Mingchun ZHU, Xavier CULLERE, Zach SHONFELD, Ryan SHIMIZU, Jeremy MCDANIEL