国家/地区 中国（16）
IPC部 B（16）
IPC大类 B29（16） F16（10） B32（4）
C08（4） F41（2）
IPC小类 B29B（16）
IPC B29B009/06（5） C08K003/04（4） B29B007/22（3）
B32B027/06（3） B32B027/32（3） C08L023/06（3）
B29C045/00（2） B29C048/00（2） B32B007/12（2）
B32B009/00（2） B32B009/04（2） B32B033/00（2）
F16J015/34（2） F16L009/12（2）
发明人 TANG L（2） WANG J（2） WEI F（2）
公开年 2021（7） 2019（2） 2022（2）
申请年 2019（4）  2020（4）  2021（3）  2022（2） 
专利权人 GUANGDONG WE.（2）

Manufacturing composite fiber preform, preferably carbon-carbon composite material for disc brakes, involves winding composite fiber fabric around core to form composite fiber preform comprising multiple layers defining annulus extending along central axi.

TANG L G, GLEN S, PIAO Y, MURDIE N, JAMES M C, MERDEY N, GUERON S, TANG L

Plate heat exchanger unit comprises base and multiple positioning rods arranged on base, where positioning rod is provided with top plate, and heat exchange space is provided between top plate and base, and heat exchange space is provided with multiple groups of first heat exchange plate.

LI Y

Polybutylene composite pipe used in hot spring transportation, comprises anti-corrosion outer layer, thermal insulation layer and working inner layer from outside to inside, where working inner layer is made of polybutene material and insulation layer is made of polyethylene foamed plastic.

QIN X, YI Z, WANG L, JIN J, LIANG Y

Modified extruding device for preparing graphene color master batch, has bearing seat whose inner part is provided with shaft rod whose surface is fixedly installed with multiple fan blades.

HUANG C, CHEN W

Heat-resistant polyether ether ketone ball valve seat comprises polyether ether ketone resin powder, inorganic filler, silane coupling agent, and aluminum dihydrogen phosphate.

JI Q

Method for slowing down pipeline vibration stress in indoor hanging air conditioner, involves generating pressure relief by cooling medium for stopping movement of high speed cooling medium before reducing impact, and reducing stress.

WANG J, CUI S, WU C, WANG T

Unsaturated resin graphene dispersing device, has filter box with bottom end whose outer wall is connected with base, and main box body with top end whose inner unit is provided with feeding dispersing component that is provided with motor.

YE Q, LI G

Internal pressure type packing sealing device for internal mixer, has spring whose one end is propped against rotor side wall, and hard alloy ring sleeved on periphery side of movable ring, where hard alloy ring is in contact with friction graphite.

WEI F

Single-acting ring axial movable packing sealing device for internal mixer, has pressing nut sleeved on outer screw thread of rotor, and tightening nut whose adjusting depth is screwed into rotor to make movable ring pressing fixed ring end sealing surface.

WEI F

Reinforced wear-resistant PE drainage pipe for trenchless construction, comprises high density polyethylene, linear low density polyethylene, nano graphene, polyaniline modified bentonite and titanate coupling agent.

LIU J, CAO C, JIANG F, ZHANG J, ZHOU M, GU Y, ZHU Q