Automatic air bleeder of plunger pump
ZHANG GUOQIANG, MENG XIANGGUO, SHI YANBO, QIANG JUNLI, LIU HAIXIA, YANG FENGJIU, YU XINGCAI, YANG LIN
Year of Publication 04.08.2017
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Year of Publication 04.08.2017
Patent
Valve pressure test device
ZHANG GUOQIANG, LU WEI, MENG XIANGGUO, LIU HAIXIA, LI HANDONG, YU XINGCAI, GUO GUOFANG
Year of Publication 04.08.2017
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Year of Publication 04.08.2017
Patent
Filter and anti - washout type water mixing water injection well choke
ZHANG GUOQIANG, MENG XIANGGUO, QI YUMEI, SHI YANBO, LIU HAIXIA, YU XINGCAI, YANG LIN
Year of Publication 04.08.2017
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Year of Publication 04.08.2017
Patent
A condenser pipe blowout preventer and crude oil water content testing device
GONG YANHONG, LI JIAN, GUO GUOFANG, FENG XUEPU, BAI YU, QI YUMEI, NIU YAJUN, ZHANG JINBO, HU JIANPING, SU JIANBIN, JIA SHENGWEI, HUANG XINGHONG, YU XINGCAI
Year of Publication 02.08.2019
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Year of Publication 02.08.2019
Patent
Pipeline cleaning device
ZHANG GUOQIANG, BAI YU, MENG XIANGGUO, LIU HAIXIA, YU XINGCAI, YAO JUXING, WANG SHIQIAN
Year of Publication 07.07.2017
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Year of Publication 07.07.2017
Patent
Filter
ZHANG QI, GONG YANHONG, LI JIAN, DUAN ZHICHENG, FENG XUEPU, BAI YU, QI YUMEI, CAO LIANG, HU JIANPING, ZHANG JINBO, SU JIANBIN, JIA SHENGWEI, HUANG XINGHONG, YU XINGCAI
Year of Publication 09.06.2020
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Year of Publication 09.06.2020
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Welding auxiliary device
ZHANG GUOQIANG, MENG XIANGGUO, ZHANG HENGZHI, LIU HAIXIA, MA GANG, YU XINGCAI, DING ZHIQIANG, WANG SHIQIAN
Year of Publication 06.06.2017
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Year of Publication 06.06.2017
Patent
Prevent spouting a box protection device
MENG XIANGGUO, QI YUMEI, SHI YANBO, LIU HAIXIA, YU XINGCAI, YANG LIN, WANG SHIQIAN
Year of Publication 06.06.2017
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Year of Publication 06.06.2017
Patent
Motor position adjustment device
MENG XIANGGUO, QI YUMEI, SHI YANBO, LIU HAIXIA, YANG FENGJIU, YU XINGCAI, YIN MEI, YANG LIN, KANG SHAOLI
Year of Publication 04.05.2018
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Year of Publication 04.05.2018
Patent
Portable elevating platform
QI YUMEI, GONG YANHONG, YANG FENGJIU, NING LIJUN, YU XINGCAI, HAN WEI
Year of Publication 06.04.2016
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Year of Publication 06.04.2016
Patent
High pressure hose piecing devices
MENG XIANGGUO, QI YUMEI, SHI YANBO, LIU HAIXIA, YANG FENGJIU, YU XINGCAI, YIN MEI, WANG SHIQIAN, KANG SHAOLI
Year of Publication 03.04.2018
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Year of Publication 03.04.2018
Patent
Plunger pump framework oil seal dismantling device and dismantling method thereof
YU CHUNLING, XIA YING, SHI YANBO, DENG LUNING, ZHAO BING, WANG LIXIN, LIU HAIXIA, YANG FENGJIU, ZHOU XIAODONG, YU XINGCAI, YANG LIN, LIU YUN
Year of Publication 13.03.2018
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Year of Publication 13.03.2018
Patent
Beam -pumping unit balance adjustment device and beam -pumping unit
QI YUMEI, MENG XIANGGUO, SHI YANBO, YANG FENGJIU, YU XINGCAI, YIN MEI, YANG LIN, YANG GUOBIAO, KANG SHAOLI
Year of Publication 09.03.2018
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Year of Publication 09.03.2018
Patent
Device for disassembling shaft sleeve of centrifugal pump
GONG YANHONG, LI JIAN, FENG XUEPU, BAI YU, QI YUMEI, ZHANG JINBO, HU JIANPING, SU JIANBIN, JIA SHENGWEI, HUANG XINGHONG, YU SHUBO, LUO HANXIANG, YU XINGCAI, DENG BOHUI
Year of Publication 10.03.2020
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Year of Publication 10.03.2020
Patent
Fastening bolt subassembly
ZHANG GUOQIANG, QI YUMEI, QIANG JUNLI, SHI YANBO, FENG FENG, YU XINGCAI, HAN WEI
Year of Publication 08.02.2017
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Year of Publication 08.02.2017
Patent
Oil well casing well -flushing filter
WU JIANWEI, FENG CHAO, WANG LIXIN, GUO BIN, ZHAO JING, YU XINGCAI, XU JIANGFENG
Year of Publication 04.01.2017
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Year of Publication 04.01.2017
Patent
Sealed packing tucker
LIAO LIWEN, HE ZHANQIANG, SONG LI, WANG LIXIN, YU XINGCAI, XU JIANGFENG
Year of Publication 07.12.2016
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Year of Publication 07.12.2016
Patent