Hydraulic actuating means for subsurface safety valve,申请号US06/782783-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	Hydraulic actuating means for subsurface safety valve
摘要
申请公布号	USRE32390(E1)	申请公布日期	1987.04.07
申请号	US06/782783	申请日期	1985.10.02
申请人		发明人
分类号		主分类号
代理机构		代理人
主权项
地址

您可能感兴趣的专利

GEMINI VITAMIN D3 COMPOUNDS AND METHODS OF USE THEREOF

CHARACTER GRAPHIC DISPLAY DEVICE, CHARACTER GRAPHIC DISPLAY METHOD, PROGRAM, AND RECORDING MEDIUM

Fixed-bed catalytic reactor

FAT-RESISTANT TEXTILE GUT

Post decode watermarking of media

DEMODULATION DEVICE AND DEMODULATION METHOD

Plasma display apparatus for applying sustain pulses and driving method thereof

Generating combinations of offers and using action identifiers from the offers to obtain performance of combinations of actions

Addition circuit for accumulating redundant binary numbers

NEEDLE LIFT DAMPER DEVICE OF INJECTOR FOR FUEL INJECTION AND NEEDLE LIFT DAMPING METHOD

Internal combustion engine having variable valve control system and NOx catalyst

Shaft seal structure of vacuum pumps

Connection between a transom and a mullion of a building facade

APPARATUS FOR CLAMPING AND RELEASING CONTACT LENS MOLDS

GAS ASSISTED INJECTION MOULDING

Procedure for measuring the residual tension of a prestressed bar with ultrasound

POLYMERIZATION PROCESS BASED ON ATOM (OR GROUP) TRANSFER RADICAL POLYMERIZATION

Sealing of a ball joint on the side of its spherical gudgeon

Method for parallel transmission of data frames employing an independent stop & wait ARQ protocol for every channel allowing the reordering of data frames in the receiver