国家/地区 美国（5） 世界知识产权组织（5） 中国（4） 韩国（2）
IPC部 B（13）
IPC大类 B01（13） C02（6） E21（4）
E03（3） C08（2） E01（2）
E02（2） E04（2） F24（2）
IPC小类 B01D（13）
IPC B01D069/02（4） C02F001/00（4） C02F001/44（4）
B01D021/00（3） B01D021/26（3） B01D035/02（3）
B01D046/00（3） B01D061/58（3） B01D071/02（3）
C02F001/38（3） B01D017/04（2） B01D039/14（2）
B01D039/16（2） B01D053/86（2） B01D067/00（2）
发明人 JAMISON D E（4） SHUMWAY W W（4） PEARL W C（2）
ZHANG X（2）
公开年 2021（13）
申请年 2020（8）  2021（3）  2019（2） 
专利权人 HALLIBURTON .（4）

Mobile public toilet exhaust purifying device, has connecting mechanisms inserted with primary filter screen from front to back, and top side wall of purifying frame located between suction fan and graphene catalyst net.

ZHANG X, ZHANG M, SUN A

Manufacturing filter for purifying gases, such as air, from microbial pollutants by applying liquid cement coating containing titanium dioxide particles on porous ceramic filter, drying, soaking in water, drying and exposing to radiation.

WITKOWSKI H, DYTRYCH W, JAROSLAWSKI J

Graphene air purifying and heating wallboard for indoor decoration, has electric heating layer that is orderly outwards set on front surface of fixing plate, and whose back surface corresponds to position of connecting concave head.

GU X, CHEN Z, PAN S, PAN Z, SHAO J

System used for treatment of slop water recovered from wellbore operation, comprises treatment unit comprising inlet, filtration medium comprising particulate pack partially coated with zwitterionic polyelectrolyte, and arranged to separate portions of slop water stream comprising water, and outlet.

JAMISON D E, SHUMWAY W W, PEARL W C

Fluid treatment system for treating fracturing fluid or drilling mud, has first filtration medium having first outlet that is provided on first side of first filtration medium, and second outlet that is provided on second side of first filtration medium to opposite first side.

JAMISON D E, SHUMWAY W W, PEARL W C

Insect screen with fine dust blocking function, has connecting ring that is arranged between pair of meshes, and frame that is coupled to outside of meshes.

KIM J H

High-efficiency non-point pollution reduction facility comprises pre-treatment tank, filtration tank, drain tank, backwashing unit, first filter media unit for purifying raw water, and second filter medium unit for secondary purification of raw water.

JANG E

Fluid treatment system for treating completion fluid, fracturing fluid and slop water, has fluid stream whose first portion that is comprises water when second outlet is provided on second side of first membrane opposite first side.

JAMISON D E, SHUMWAY W W

Servicing wellbore extending from surface of earth and penetrating subterranean formation, comprises recovering aqueous-based wellbore servicing fluid from wellbore and removing water from aqueous-based wellbore servicing fluid.

SHUMWAY W W, JAMISON D E

Halloysite nanotube/graphene oxide oil-water separation membrane used for treating marine oil spills, comprises nylon bottom film as support layer and having preset thickness, and halloysite nanotube/graphene oxide layer loaded on film.

LIU E, DU S, ZHANG Z, ZHANG X