HEBEI HUANDING PETROLEUM EQUIPMENT CO LTD has a total of 11 patent applications. Its first patent ever was published in 2018. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, electrical machinery and energy and measurement are BENESTAD SOLUTIONS AS, EXTREME ENGINEERING LTD and DIAMOULD LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | China | 11 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Electrical machinery and energy | |
#3 | Measurement | |
#4 | Machines | |
#5 | Telecommunications |
# | Technology | |
---|---|---|
#1 | Earth drilling | |
#2 | Electrically-conductive connections | |
#3 | Testing of structures | |
#4 | Shaping of plastics | |
#5 | Analysing materials | |
#6 | Certain plastics | |
#7 | Antennas | |
#8 | Geophysics |
# | Name | Total Patents |
---|---|---|
#1 | Ma Kanchuang | 9 |
#2 | Ma Kuo | 8 |
#3 | Gao Qinqun | 7 |
#4 | Liu Jinzhu | 7 |
#5 | Li Yingbo | 7 |
#6 | Guo Baozuo | 4 |
#7 | Wang Guojun | 4 |
#8 | Wu Gaofeng | 4 |
#9 | Tian Nan | 2 |
#10 | Gao Yang | 2 |
Publication | Filing date | Title |
---|---|---|
CN111342319A | Drawing device of electric connector | |
CN111255394A | Float valve special for over-drilling rod well logging | |
CN111326889A | Logging instrument adopting pressure isolating joint to prevent leakage of shell | |
CN111064054A | 19-core connector | |
CN111063991A | MRSN antenna and manufacturing process thereof | |
CN111101926A | Improved sidewall contact device with wear resistance | |
CN111064055A | Soft connecting line detection device | |
CN111075430A | Depth panel separating display system from operating system | |
CN112196516A | CBL sound wave scale device | |
CN111335883A | Novel wire feeding pipe | |
CN111335869A | Signal transmission device for cable-free logging system |