Search Results - "YU ZHONGYAN" :: K.UTB vyhledávací portál | TBU Library Retrieval Portal

Method for III family elements two-time spreading and raising large power transistor blocking current-voltage characteristics

Method for III family elements two-time spreading and raising large power transistor blocking current-voltage characteristics

by ZHONGYAN,YU HOU
Year of Publication 21.03.2007

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Patent

Positioning auxiliary device for installation of PVDF glass fiber reinforced plastic lined PTFE pipeline

Positioning auxiliary device for installation of PVDF glass fiber reinforced plastic lined PTFE pipeline

by YU ZHONGYAN, WANG ZHIHONG
Year of Publication 14.03.2023

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Patent

Press fitting mechanism and automatic assembling and pressing equipment

Press fitting mechanism and automatic assembling and pressing equipment

by YU ZHONGYAN, XIAO AIJUN, DENG XIAOPING
Year of Publication 04.06.2024

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Patent

Anti-corrosion spraying device in epoxy ceramic pipeline

Anti-corrosion spraying device in epoxy ceramic pipeline

by YU ZHONGYAN, LIU JIAQING
Year of Publication 04.10.2022

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Patent

Adjustable clamp for vacuum cup

Adjustable clamp for vacuum cup

by YU ZHONGYAN, XIAO AIJUN, DENG XIAOPING
Year of Publication 03.10.2023

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Patent

Ward nursing trolley

Ward nursing trolley

by XU YAFANG, YU ZHONGYAN, WU DIYUN
Year of Publication 28.05.2024

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Patent

Standby pipeline device matched with dialysis

Standby pipeline device matched with dialysis

by YU HAIYANG, XU DAMIN, YU ZHONGYAN
Year of Publication 20.10.2023

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Patent

Electric heating type traditional Chinese medicine external application device

Electric heating type traditional Chinese medicine external application device

by YU ZHONGYAN, YANG LIPING, LI TAO
Year of Publication 07.12.2021

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Patent

Standby pipeline device for dialysis

Standby pipeline device for dialysis

by YU HAIYANG, XU DAMIN, YU ZHONGYAN
Year of Publication 06.06.2023

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Patent

Gate valve control method and gate valve

Gate valve control method and gate valve

by SHEN MENGXIAN, LIU WEI, YU ZHONGYAN, JIA JINGUANG, YU LEMIAN, CAI WENCONG, DU KUNMING, TANG DAJIAN
Year of Publication 16.04.2024

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Patent

Parallel type double-gate-disc gate valve

Parallel type double-gate-disc gate valve

by SHEN MENGXIAN, LIU WEI, YU ZHONGYAN, JIA JINGUANG, CAI WENCONG, DU KUNMING, YU JIDIAN, TANG DAJIAN
Year of Publication 02.01.2024

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Patent

Equipment for conveniently smearing anti-corrosion material on surface of steel structure

Equipment for conveniently smearing anti-corrosion material on surface of steel structure

by QU HAO, SUN YI, LIN GUOJING, YU ZHONGYAN, SUI PEICHAO
Year of Publication 25.02.2022

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Patent

Compact pneumatic actuator

Compact pneumatic actuator

by SHEN MENGXIAN, LIU WEI, YU ZHONGYAN, JIA JINGUANG, YU LEMIAN, CAI WENCONG, DU KUNMING, YUAN JIAXING, TANG DAJIAN
Year of Publication 09.05.2023

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Patent

Device for testing sealing performance and sealing specific pressure of valve ball and valve seat

Device for testing sealing performance and sealing specific pressure of valve ball and valve seat

by SHEN MENGXIAN, LIU WEI, YU ZHONGYAN, JIA JINGUANG, YU KEZENG, YU LEMIAN, CAI WENCONG, DU KUNMING, YUAN JIAXING, TANG DAJIAN
Year of Publication 21.03.2023

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Patent

Shock-resistant ceramic ball valve

Shock-resistant ceramic ball valve

by SHEN MENGXIAN, LIU WEI, YU ZHONGYAN, JIA JINGUANG, YU LEMIAN, CAI WENCONG, DU KUNMING, YUAN JIAXING, TANG DAJIAN
Year of Publication 21.03.2023

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Patent

Low-torque wear-resistant ball valve

Low-torque wear-resistant ball valve

by SHEN MENGXIAN, LIU WEI, YU ZHONGYAN, JIA JINGUANG, YU LEMIAN, CAI WENCONG, DU KUNMING, YUAN JIAXING, TANG DAJIAN
Year of Publication 21.03.2023

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Patent

Bidirectional sealing knife gate valve for preventing material accumulation in middle cavity

Bidirectional sealing knife gate valve for preventing material accumulation in middle cavity

by SHEN MENGXIAN, LIU WEI, YU ZHONGYAN, JIA JINGUANG, YU LEMIAN, CAI WENCONG, DU KUNMING, YUAN JIAXING, TANG DAJIAN
Year of Publication 24.01.2023

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Patent

Top-mounted high-temperature high-pressure switch friction-free ball valve

Top-mounted high-temperature high-pressure switch friction-free ball valve

by SHEN MENGXIAN, FU XIAOZHAO, LIU WEI, YU ZHONGYAN, JIA JINGUANG, YANG JIONG, CAI WENCONG, DU KUNMING, YUAN JIAXING, YU JIDIAN, TANG DAJIAN
Year of Publication 04.04.2023

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Patent

Surface out-of-tolerance remedying method used in casting mold machining

Surface out-of-tolerance remedying method used in casting mold machining

by GONG JIXIANG, YU ZHONGYAN, CHEN ZHONGNAN, HAN DAMING, FANG YUEHUA
Year of Publication 07.01.2015

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Patent

Double-plate gate valve free of friction in opening and closing process

Double-plate gate valve free of friction in opening and closing process

by SHEN MENGXIAN, FU XIAOZHAO, LIU WEI, YU ZHONGYAN, JIA JINGUANG, YANG JIONG, CAI WENCONG, DU KUNMING, YUAN JIAXING, YU JIDIAN, TANG DAJIAN
Year of Publication 03.02.2023

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Patent