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
Tight threaded joint
摘要
申请公布号
US2505747(A)
申请公布日期
1950.04.25
申请号
US19480015772
申请日期
1948.03.19
申请人
THE NATIONAL SUPPLY COMPANY
发明人
WILLKE HERBERT L.
分类号
E21B17/042;F16L15/06
主分类号
E21B17/042
代理机构
代理人
主权项
地址
您可能感兴趣的专利
PERCUTANEOUS SUTURING APPARATUS
Transmitting and receiving apparatus for supporting transmit antenna diversity using space-time block code.
Apparatus and method for supporting simultaneous transmission of plural broadcast management messages in a wireless communication system
PERFORATED EASY OPENING POUCH
METHODS FOR DETECTING TUMOR-SPECIFIC FUSION PROTEINS
Photoelectric switch device
Assemblies and methods for dissipating heat from handheld electronic devices
Signal processing apparatus and signal processing method for loudspeaker motional feedback
Lifetime improvement of laser diodes in optical drives
Mobile terminal device and method for radiating heat therefrom
Soil cultivation device with a rotating roller
RELATIONAL MODEL FOR MANAGEMENT INFORMATION IN NETWORK DEVICES
METHOD OF REGENERATION OF SCR CATALYST POISONED BY PHOSPHOROUS COMPONENTS IN FLUE GAS
CONVERSION OF MULTIPLE ANALOG SIGNALS IN AN ANALOG TO DIGITAL CONVERTER
PESTICIDAL COMPOSITIONS.
PHARMACEUTICAL KIT CONSISTING OF AN OIL-IN-WATER EMULSION AND A SOLID COMPOSITION
PEDAL OPERATED APPARATUS FOR CONTROLLING AN AIRCRAFT NOSE WHEEL STEERING SYSTEM
Shower head
Ink jet recording apparatus
HYALURONIC ACID IN THE ENHANCEMENT OF LENS REGENERATION
