Jiangsu
China
8
2019-10-03
The entities that hold a legal rights for patent applications filed by inventor Sun Qingfeng:
Qingfeng Sun from Jiangsu, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Scroll compressor
#2 | 2019-09-12Dual-vane scroll compressor with capacity modulation
#3 | 2016-06-23Scroll compressor having valve component arranged in passage of back pressure cavity and providing openings for passage of fluid
#4 | 2015-06-25Pressure control valve and scroll compressor
#5 | 2015-05-21Scroll compressor with oil management system
#6 | 2015-03-19Scroll compressor
#7 | 2015-03-12Rotor pump and rotary machinery comprising the same, the rotor pump including a pump body forming an accommodation cavity, a pump wheel rotating in the accommodation cavity and a sealing plate having an eccentric hole that is eccentric relative to a rotation axis of the pump wheel, where a shaft portion of the pump wheel is rotatably fitted in the eccentric hole
#8 | 2015-02-12COMPRESSOR
1065196 ⎘