4 patents
Utility
Dust collecting device with extendible and flexible air tube
14 Jun 22
A dust collecting device with an extendible and flexible air tube including a housing, a cover, an air tube, a dust collecting head, a filter material and a gas guiding device.
Kuo-Chang Cheng
Filed: 24 Mar 20
Utility
Dust Collecting Device with Extendible and Flexible Air Tube
30 Sep 21
A dust collecting device with an extendible and flexible air tube including a housing, a cover, an air tube, a dust collecting head, a filter material and a gas guiding device.
Kuo-Chang CHENG
Filed: 24 Mar 20
Utility
Table Lamp Shaped Manicure Device
3 Jun 21
A table lamp shaped manicure device is provided, comprising a base, a lamp body, a substrate, at least an ultraviolet light-emitting diode, an infrared sensor, and a control module; the lamp body comprising a support portion and a light-emitting portion; a bottom end of the support portion being disposed on the base, and the light-emitting portion being disposed at a top end of the support portion; the substrate being disposed inside the light-emitting portion, the at least an ultraviolet light-emitting diode being disposed on the substrate; the infrared sensor being disposed on the substrate, and located on the same side of the substrate as the at least an ultraviolet light-emitting diode, and having a sensing range; the control module being disposed inside the base and electrically connected to the at least an ultraviolet light-emitting diode and the infrared sensor.
KUO-CHANG CHENG
Filed: 28 Nov 19
Utility
Rechargeable Nail Polishing Apparatus
18 Feb 21
Provided is a rechargeable nail polishing apparatus, including a charging stand and a grinder.
KUO-CHANG CHENG
Filed: 12 Aug 19
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