Patents by Inventor Fangwen Cai

Fangwen Cai 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).

  • Biomass pellet stove
    Patent number: 10753616
    Abstract: A stove using biomass pellets as fuels is disclosed herein, comprising a stove body that comprises a firebox, at least one hopper, and a feed tube, wherein the at least one hopper is connected to the firebox via the feed tube, and fuels contained inside the at least one hopper can enter the firebox along the feed tube under gravity. The stove has a simple structure and removes any mechanically or electrically controlled feeding system by feeding the firebox using gravity of the fuels, therefore lowers the cost.
    Type: Grant
    Filed: May 11, 2016
    Date of Patent: August 25, 2020
    Assignee: Qingdao Genjoy Home Fashion Co., Ltd.
    Inventors: Xiaohui Wu, Fangwen Cai
  • Biomass pellet stove
    Patent number: 10712013
    Abstract: A stove using biomass pellets as fuels includes a stove body, wherein the stove body comprises a firebox; hopper, wherein the hopper is fixed above the stove body; and feed tube, wherein the top end of the feed tube which is connected to the hopper is fixed outside the stove body, the bottom end of the feed tube which is connected to the firebox crosses the stove body. The stove using biomass pellets as fuels solves the problem that common pellet stoves usually transfer the fuels to the hearth using a screw feeder or other feeding equipment, which expend too much cost.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: July 14, 2020
    Assignee: TANGCHENGXIAN HUALONG MACHINERY PLANT
    Inventors: Zhicun Zhang, Fangwen Cai, Hualong Zhang, Lechun Zhang
  • BIOMASS PELLET STOVE
    Publication number: 20180340690
    Abstract: A stove using biomass pellets as fuels includes a stove body, wherein the stove body comprises a firebox; hopper, wherein the hopper is fixed above the stove body; and feed tube, wherein the top end of the feed tube which is connected to the hopper is fixed outside the stove body, the bottom end of the feed tube which is connected to the firebox crosses the stove body. The stove using biomass pellets as fuels solves the problem that common pellet stoves usually transfer the fuels to the hearth using a screw feeder or other feeding equipment, which expend too much cost.
    Type: Application
    Filed: October 12, 2017
    Publication date: November 29, 2018
    Inventors: Zhicun ZHANG, Fangwen CAI, Hualong ZHANG, Lechun ZHANG
  • Biomass Pellet Stove
    Publication number: 20160334107
    Abstract: A stove using biomass pellets as fuels is disclosed herein, comprising a stove body that comprises a firebox, at least one hopper, and a feed tube, wherein the at least one hopper is connected to the firebox via the feed tube, and fuels contained inside the at least one hopper can enter the firebox along the feed tube under gravity. The stove has a simple structure and removes any mechanically or electrically controlled feeding system by feeding the firebox using gravity of the fuels, therefore lowers the cost.
    Type: Application
    Filed: May 11, 2016
    Publication date: November 17, 2016
    Inventors: Xiaohui Wu, Fangwen Cai
  • Furnace
    Patent number: D770605
    Type: Grant
    Filed: November 11, 2015
    Date of Patent: November 1, 2016
    Assignee: Qingdao Genjoy Home Fashion Co., Ltd.
    Inventors: Xiaohui Wu, Fangwen Cai
  • Heating stove
    Patent number: D835246
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: December 4, 2018
    Assignee: Tanchengxian Hualong MACHINERY PLANT Sole Proprietorship Enterprise
    Inventors: Zhicun Zhang, Fangwen Cai, Hualong Zhang, Lechun Zhang