Patents by Inventor Wenjun Pu
Wenjun Pu 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: 11890182Abstract: A coated stent (100,200,300,400), comprises a coated unit (110,210,310,410), and an exposed unit (120,220,320,420) which is a ring-shaped structure and which is provided on the periphery (113,213,313) of an end portion (112,212,312) of the coated unit (110,210,310,410); the exposed unit (120,220,320,420) comprises an inward-tilting wave body (122,222,322,422), the inward-tilting wave body (122,222,322,422) comprising at least a first wave crest (122a,222a,322a) and a first wave rod (122c) connected to the first wave crest (122a,222a,322a); the position of the first wave crest (122a.Type: GrantFiled: November 22, 2019Date of Patent: February 6, 2024Assignee: Lifetech Scientific (Shenzhen) Co. Ltd.Inventors: Benhao Xiao, Wenjun Pu
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Publication number: 20230218417Abstract: A stent assembly system and a stent assembly method are provided. The stent assembly system includes a stent and an assembly instrument; the assembly instrument is configured to assemble and deliver the stent, and includes a sheath core tube, an outer sheath tube, and an assembly part; the outer sheath tube slidably surrounds the sheath core tube in an axial direction; an accommodating cavity for accommodating the stent is formed between the inner wall of the outer sheath tube and the outer wall of the sheath core tube; the assembly part has a fixed end and a free end opposite to the fixed end, and the fixed end is connected to the sheath core tube; and when the stent is crimped radially on the sheath core tube, the free end is hooked to the stent to limit the stent.Type: ApplicationFiled: March 24, 2021Publication date: July 13, 2023Applicant: Shenzhen Lifetech Endovascular Medical Co., Ltd.Inventors: Wenjun Pu, Benhao Xiao, Qiang Liu, Zhengqing Ling
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Publication number: 20230129898Abstract: A stent delivery device (110) and a stent delivery system (100) are provided. The stent delivery device (110) includes a sheath core tube (112), an outer sheath tube (113) and an assembly (118). The outer sheath tube (113) is slidably provided on and surrounds the sheath core tube (112) in an axial direction, and an accommodating cavity (116) for accommodating a stent (120) is formed between the inner wall of the outer sheath tube (113) and the outer wall of the sheath core tube (112). The assembly (118) has a fixed end and a free end opposite to the fixed end. The fixed end is connected to the sheath core tube (112). When the stent (120) is radially pressed against the sheath core tube (112), the stent (120) is limited by the hooking of the free end to the stent (120). The stent delivery device (110) may improve the accuracy of assembly.Type: ApplicationFiled: March 24, 2021Publication date: April 27, 2023Applicant: Shenzhen Lifetech Endovascular Medical Co., Ltd.Inventors: Benhao Xiao, Wenjun Pu
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Publication number: 20220023074Abstract: A coated stent (100,200,300,400), comprises a coated unit (110,210,310,410), and an exposed unit (120,220,320,420) which is a ring-shaped structure and which is provided on the periphery (113,213,313) of an end portion (112,212,312) of the coated unit (110,210,310,410); the exposed unit (120,220,320,420) comprises an inward-tilting wave body (122,222,322,422), the inward-tilting wave body (122,222,322,422) comprising at least a first wave crest (122a,222a,322a) and a first wave rod (122c) connected to the first wave crest (122a,222a,322a); the position of the first wave crest (122a.Type: ApplicationFiled: November 22, 2019Publication date: January 27, 2022Applicant: Shenzhen Lifetech Endovascular Medical Co., Ltd.Inventors: Benhao Xiao, Wenjun Pu
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Patent number: 8701595Abstract: A pet food dispenser comprising a lid and a hopper bin. The lid fits over a loading opening of the hopper bin. A main section includes a base, and the main section includes a base cover having a hopper funnel and a hopper recess. An auger assembly has an intake opening and an output opening, and the auger assembly is removably cradled in the hopper recess. When the auger assembly is operating, an auger blade is formed as a helical screw that drives articles from the intake opening to the output opening. A motor mount has a motor, and the motor is mechanically connected to the auger assembly to drive the auger assembly. The motor mount is connected to the base. A microprocessor controls actuation of the motor.Type: GrantFiled: June 15, 2012Date of Patent: April 22, 2014Inventors: Samuel Zhihui Jin, Wenjun Pu
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Publication number: 20130333622Abstract: A pet food dispenser comprising a lid and a hopper bin. The lid fits over a loading opening of the hopper bin. A main section includes a base, and the main section includes a base cover having a hopper funnel and a hopper recess. An auger assembly has an intake opening and an output opening, and the auger assembly is removably cradled in the hopper recess. When the auger assembly is operating, an auger blade is formed as a helical screw that drives articles from the intake opening to the output opening. A motor mount has a motor, and the motor is mechanically connected to the auger assembly to drive the auger assembly. The motor mount is connected to the base. A microprocessor controls actuation of the motor.Type: ApplicationFiled: June 15, 2012Publication date: December 19, 2013Inventors: Samuel Zhihui JIN, Wenjun PU
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Patent number: 7164071Abstract: A keyboard instrument (e.g., an electronic piano) has a keyboard including numerous actions interlocked with numerous keys arranged on a keybed, and at least one pedal (e.g., damper pedal) arranged on a base board of a housing thereof, wherein it is equipped with a pedal link mechanism including a pedal lever. A keybed reinforcing member is attached to the lower surface of the keybed and is arranged to pivotally support the pedal lever thereunder, wherein a plurality of tapered spacers are put into the space between the keybed and the keybed reinforcing member, which are thus integrally fixed together using screws. One end of the pedal lever is interconnected with the pedal via a hanging bolt, and the other end is interconnected with a vertical link interlocked with at least one action.Type: GrantFiled: November 18, 2003Date of Patent: January 16, 2007Assignee: Yamaha CorporationInventor: Wenjun Pu
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Publication number: 20040099133Abstract: A keyboard instrument (e.g., an electronic piano) has a keyboard including numerous actions interlocked with numerous keys arranged on a keybed, and at least one pedal (e.g., damper pedal) arranged on a base board of a housing thereof, wherein it is equipped with a pedal link mechanism including a pedal lever. A keybed reinforcing member is attached to the lower surface of the keybed and is arranged to pivotally support the pedal lever thereunder, wherein a plurality of tapered spacers are put into the space between the keybed and the keybed reinforcing member, which are thus integrally fixed together using screws. One end of the pedal lever is interconnected with the pedal via a hanging bolt, and the other end is interconnected with a vertical link interlocked with at least one action.Type: ApplicationFiled: November 18, 2003Publication date: May 27, 2004Inventor: Wenjun Pu