Intellectual Property
Qinchuan has obtained 135 national invention patents, 3 US invention patents, 2 EU invention patents, over 100 national utility model patents, 2 Japan utility model patents, 3 appearance patents and over 140 computer software copyrights.
| NO. | Patent | Issued No. |
| 1 | Electric vehicle PWM rectification and variable voltage and current pulse charging system | P216546/Europe |
| 2 | Electric vehicle PWM rectifier and variable voltage variable current pulse charging system | US9409487B2/USA |
| 3 | IoT smart gas meter and its control system | US9513637B2/United States |
| 4 | IoT vehicle intelligent control instrument and IoT vehicle intelligent management system | US9801000B2/United States |
| 5 | IoT vehicle intelligent control instrument and IoT vehicle intelligent management system | P216687/Europe |
| 6 | IC card smart gas meter | 2008100458052 |
| 7 | A type of gas meter joint connection structure | 2008100458071 |
| 8 | GSM smart gas meter terminal with SIM card | 2009100589918 |
| 9 | Remote intelligent control IC card gas meter | 2009100580928 |
| 10 | Heat valve correction type diaphragm gas meter | 2011101609418 |
| 11 | IoT smart gas meter and its control system | 2011100257638 |
| 12 | Remote control smart IC card gas meter | 2010102924468 |
| 13 | IC card smart gas meter | 2010105888887 |
| 14 | A type of full-sealing smart gas meter’s control box | 2012103362931 |
| 15 | IC card smart gas meter embedded with information security management module | 2013100389778 |
| 16 | IoT smart gas meter embedded with information security management module | 2013100389528 |
| 17 | Smart gas meter’s offline data validation method | 2013101986530 |
| 18 | The information security management module of IC card smart gas meter | 2013100391373 |
| 19 | The information security management module of IoT smart gas meter | 2013100390243 |
| 20 | IoT vehicle intelligent control instrument and IoT vehicle intelligent management system | 2013101971696 |
| 21 | IC card smart gas meter with information security management function | 2013101143972 |
| 22 | Smart gas meter with information security management function | 2013101142039 |
| 23 | IoT smart gas meter with information security management function | 2013101143703 |
| 24 | Remote control smart gas meter embedded with information security management module | 2013100384859 |
| 25 | Remote control smart gas meter with information security management function | 2013101143258 |
| 26 | Smart gas meter information security management module | 2013101141360 |
| 27 | Remote control smart gas meter information security management module | 2013100386290 |
| 28 | Self-organizing low-power wireless network IP address management method | 2013101974726 |
| 29 | Wireless network multi-channel combined communication method | 2013101987656 |
| 30 | Offline data validity verification method | 2013101986278 |
| 31 | Smart energy meter information security management module | 2013100386888 |
| 32 | Shut-off type diaphragm gas meter | 2014100327634 |
| 33 | A way of environmental frequency detection and automatic frequency hopping system and its method | 201410754348X |
| 34 | A type of gas meter with built-in mechanical gas temperature conversion device | 2014100650029 |
| 35 | IC card smart heat meter information security management module | 2015100328379 |
| 36 | Remote control smart mass flow gas meter and its management system | 2015101487353 |
| 37 | The method for implementing ladder price of IoT smart gas meter | 2015107271386 |
| 38 | The method for implementing ladder price of remote transmission smart gas meter | 2015107258771 |
| 39 | IC card smart gas meter with ladder pricing function | 2015106322658 |
| 40 | The method for implementing ladder price of IC card smart gas meter | 2015107259384 |
| 41 | Remote Transmission smart gas meter ladder pricing system | 2015107198111 |
| 42 | IC card smart gas meter ladder pricing system | 2015107259399 |
| 43 | Safety shut-off IC card smart mass flow gas meter and its management system | 2015101487194 |
| 44 | Remote Transmission smart gas meter with ladder pricing function | 2015106341536 |
| 45 | Safety shut-off remote control smart mass flow gas meter and its management system | 2015101504927 |
| 46 | Smart gas meter with ladder pricing function | 2015106346525 |
| 47 | Smart gas meter ladder pricing system | 2015106342007 |
| 48 | Remote control smart gas meter with ladder pricing function | 201510632536X |
| 49 | IC card smart mass flow gas meter and its management system | 2015101487438 |
| 50 | The method for implementing ladder pricing of smart gas meter | 2015106325637 |
| 51 | Remote control smart gas meter ladder pricing system | 2015107195965 |
| 52 | The method for implementing ladder pricing of remote control smart gas meter | 2015107196845 |
| 53 | A type of dual RF multi-frequency wireless system | 201510105510X |
| 54 | High-precision wide-range diaphragm gas meter | 2016103263370 |
| 55 | Smart gas meter status management method | 2015100553038 |
| 56 | The method for using safety shut-off smart gas meter with self-learning function | 2015100553108 |
| 57 | Pre-processing automatic productions line | 2016101460497 |
| 58 | Gas meter wireless function intelligent management method | 2015100553080 |
| 59 | Smart thermal energy meter wireless communication and control method | 2015102587289 |
| 60 | Smart gas meter wireless communication and control method | 2015102586642 |
| 61 | Wireless communication and control method of smart meter | 2015102586680 |
| 62 | High speed offline device for durability test of gas meter counter | 201510111544X |
Adress：No.931, South 4th Road, Economic Technological Development Zone, Longquanyi District, Chengdu, China
Postcode:610000
E-mail：qciot@qinchuan-meters.com
Tel：+86 (0)28 84879878
Fax：+86 (0)28 84855708
