首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
Method and apparatus for releasing packers
摘要
申请公布号
US2672934(A)
申请公布日期
1954.03.23
申请号
US19490120201
申请日期
1949.10.07
申请人
LANE-WELLS COMPANY
发明人
MINER KEITH H.
分类号
E21B33/12
主分类号
E21B33/12
代理机构
代理人
主权项
地址
您可能感兴趣的专利
2-IMIDAZOLIN-2-YL FUSEDHETEROPYRIDINE COMPOUNDS AND USE AS HERBICIDES
MAGNETIC POWER SYSTEM FOR LOW-FRICTION TRANSPORTATION OF LOADS
Flexible base materials for printed circuits
SUPERCRITICAL FLUID EXTRACTION OF ANIMAL DERIVED MATERIAL
EDIBLE FRUIT AND NUT PRODUCT
CHEMICAL HEAT PUMP UTILIZING CLATHRATE FORMATION REACTION
VIDEO NOISE JAMMER
Cathode ray tube with an electrical connecting element
Coin validating apparatus and method
KAHENBENCHURIGATAKIKAKI
SUPPORT ASSEMBLY
NON-METALLIC LIQUID-TIGHT CONDUIT-ENGAGING CONNECTOR
ELECTRONIC SPATIAL LOGICAL TOY CONTAINING MOVABLE AND/OR ROTATABLE ELEMENTS
SUSPENSION SYSTEM FOR A BOGIE VEHICLE
AMINOCARBOXYLIC ACID COMPLEXES FOR THE TREATMENT OF CALCIFIC TUMORS
6-(1-ACYL-1-HYDROXYMETHYL)PENICILLANIC ACID DERIVATIVES
BIVALENT METAL-ALUMINATE CATALYST
CONVEYOR INSTALLATION
APPARATUS FOR THE REPAIR OF PIPES
LIQUID FILTERING SYSTEM
