SHAANXI SPACE PUMP & VALVE SCIENCE AND TECH CO LTD has a total of 13 patent applications. It decreased the IP activity by 40.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements, civil engineering and chemical engineering are Neway oil equipment suzhou co ltd, P PIEL ETS and NEWAY VALVE SUZHOU CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | China | 13 |
# | Industry | |
---|---|---|
#1 | Mechanical elements | |
#2 | Civil engineering | |
#3 | Chemical engineering | |
#4 | Engines, pumps and turbines |
# | Technology | |
---|---|---|
#1 | Venting or aerating devices | |
#2 | Earth drilling | |
#3 | Rotary-pistons | |
#4 | Separation | |
#5 | Separating solids |
# | Name | Total Patents |
---|---|---|
#1 | Chen Yunfeng | 11 |
#2 | Lin Zhongcan | 7 |
#3 | Lin Zongnan | 7 |
#4 | Yan Yaping | 5 |
#5 | Yuan Changzhong | 5 |
#6 | Lin Xiaowei | 5 |
#7 | Wang Gaili | 3 |
#8 | Zhang Yingying | 3 |
#9 | Cui Jinfeng | 3 |
#10 | Zhao Yonglou | 3 |
Publication | Filing date | Title |
---|---|---|
CN112081952A | Flow switching device | |
CN111442126A | Intermittent type formula is quick action emergency valve for well head | |
CN111022677A | Four-connecting-rod pneumatic discharge valve | |
CN111042764A | Emergency breaking device for natural gas wellhead adjustment | |
CN109798235A | A kind of energy exchange pump | |
CN109237079A | One into having more reversing arrangement | |
CN109282079A | Control device | |
CN109296816A | Mechanical switch dispenser | |
CN108119361A | A kind of fluid mixing pump | |
CN107519693A | A kind of gas-liquid separation device | |
CN107587868A | A kind of oil well measurement integrating device | |
CN107520114A | A kind of balanced elliptical shale shaker | |
CN106968636A | A kind of well head injecting sledge |