CHINA COAL HANDAN DESIGN ENG CO LTD has a total of 12 patent applications. It increased the IP activity by 150.0%. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets packaging and shipping, civil engineering and chemical engineering are MINING ENGINEERING COMPANY MEC, MINING ENGINEERING CO LTD and NEPEAN CONVEYORS PTY LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | China | 12 |
# | Industry | |
---|---|---|
#1 | Packaging and shipping | |
#2 | Civil engineering | |
#3 | Chemical engineering | |
#4 | Measurement | |
#5 | Control |
# | Technology | |
---|---|---|
#1 | Transport or storage devices | |
#2 | Safety devices | |
#3 | Alarm systems | |
#4 | Separation | |
#5 | Measuring temperature | |
#6 | Locks | |
#7 | Shafts | |
#8 | Separating solids |
# | Name | Total Patents |
---|---|---|
#1 | Lian Cuncai | 4 |
#2 | Zhi Baoyan | 4 |
#3 | Wang Xudong | 4 |
#4 | Song Gang | 4 |
#5 | Liu Jingchuan | 3 |
#6 | Zhang Ju | 3 |
#7 | Song Jing | 3 |
#8 | Li Dechun | 3 |
#9 | Li Yankun | 3 |
#10 | Zhao Shuning | 3 |
Publication | Filing date | Title |
---|---|---|
CN110025997A | A kind of sieve bend turnover device | |
CN110005455A | Quickly move back anchor anchorage | |
CN109205191A | A kind of damping deceleration device | |
CN108661690A | A kind of mine goaf fire extinguishing method | |
CN108820787A | Impeller-type flapper device | |
CN108661713A | A kind of vertical ventilating shaft explosion-proof door inverted ventilation locking device | |
CN108820786A | Without drop material receiving device | |
CN107381112A | Automobile loading system | |
CN106960538A | A kind of goaf fire alarm temperature sensing optical fiber laying structure device | |
CN105600273A | Self-open type block coal conveying spiral chute | |
CN105668134A | Insulated corridor type conveyer machine | |
CN105621021A | Trestle support |