Fluid-loss prevention in well treatment,申请号US19590794847-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	Fluid-loss prevention in well treatment
摘要
申请公布号	US3047068(A)	申请公布日期	1962.07.31
申请号	US19590794847	申请日期	1959.02.24
申请人	THE DOW CHEMICAL COMPANY	发明人	HANSON ALDEN W.
分类号	E21B43/26	主分类号	E21B43/26
代理机构		代理人
主权项
地址

您可能感兴趣的专利

DEFROSTING CONTROLLER FOR FREEZING APPARATUS

ENGINE IGNITION DEVICE AND GAS HEAT PUMP TYPE AIR CONDITIONER EQUIPPED WITH FORMER

AIR CONDITIONER

DISK-TYPE STEAM TRAP

HIGH-TEMPERATURE INCINERATING DEODORIZATION DEVICE

SUBMERGED TYPE AIR VALVE WITH REPAIRING FUNCTION

SHAFT OR BEARING MADE OF PLATE

HIGH SPEED MOTOR DRIVEN COMPRESSOR AND ASSEMBLING METHOD THEREOF

ELECTRICALLY-OPERATED VALVE

STARTING CONSTRUCTION METHOD OF SHIELD MACHINE

WIRING STRUCTURE OF OPENING AND CLOSING DEVICE

KEY GRIP PROVIDED WITH OPENING/CLOSING MEMORY DEVICE INCORPORATED WITH SENSOR

VEHICLE RESTRAINING DEVICE IN UNMANNED PARKING LOT

REINFORCING BAR BINDER

UNMANNED PARKING DEVICE