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
Marking device
摘要
申请公布号
US2337269(A)
申请公布日期
1943.12.21
申请号
US19410406880
申请日期
1941.08.14
申请人
PHILLIPS PETROLEUM COMPANY
发明人
PIETY RAYMOND G.
分类号
E21B47/04
主分类号
E21B47/04
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Process for dissolving high molecular weight olefin polymers in liquid hydrocarbons
HOLLOW YARN BLOOD PROCESSOR
Pyrano{8 3,4-b{9 -indole derivatives, pharmaceutical compositions and methods of use
Gas-insulated thyristor arrangement comprising a pressure encapsulation formed in the manner of a tank
Derivatives of 1-(3-cyano-3,3-diphenylpropyl)-4-phenylpiperidine-4-carboxylic acid
ABS films
1-Substituted-2-(2-pyridinyl)ethanone N-oxides
Thieno-pyridine derivatives and therapeutic composition containing same
2-Decarboxy-2-hydroxymethyl-3,7-inter-m-phenylene-3-oxa-9-deoxy-9,10-didehydro-PGD{HD 1 {B compounds
Dibenzyl glycolic acid derivatives
5,6,7,8-Tetrahydronaphthalene hypotensive agents
2-Decarboxy-2-hydroxymethyl-3,7-inter-m-phenylene-3-oxa-9-deoxy-PGD{HD 1 {B compounds
Apex seal device for use in rotary piston engine
Internal combustion engine having an auxiliary combustion chamber without an intake valve
Skateboard with longitudinally adjustable wheels
Automatic package wrapping machine
Poly(hydroxymethylene) solutions
Connector for connecting together opposite sides of a printed circuit board
METHOD FOR MAKING TWO-WAY HYDRODYNAMIC PACKINGS
PROCESS FOR PREPARING THIENO/3,2-C/PYRIDINE AND THIENO/2,3-C/PYRIDINE
