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
Rotation mechanism
摘要
申请公布号
US2108989(A)
申请公布日期
1938.02.22
申请号
US19370132911
申请日期
1937.03.22
申请人
INGERSOLL-RAND COMPANY
发明人
MACK ALBERT R.
分类号
E21B6/06
主分类号
E21B6/06
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Quick-release dust cap for an optical plug
Faceted multi-chip package to provide a beam of uniform white light from multiple monochrome LEDs
Display screen with backlight
Printhead end of life detection system
Method and apparatus for an adjustable safety system for a vehicle
Fifth wheel kingpin retaining bar
Device and method for switching between collect and straight modes on a folder
Stapler with variable staple english
Solid rocket motor bolted thrust takeout structure
Pattern adjustable flow nozzle
Resonant motor driver system for data reading
Steering system
Method for controlling a quantity of ink in a printing machine
Process for operating a press arrangement
Reading method of screw rotation angle of hand-held impact wrench, hand-vibration detection method, tightening evaluation method and control method of hand-held power screw loosening tool
Method for measuring the flow rates of the single phases in a multiphase fluid stream and relevant apparatus
Method of evaluating high fatigue strength material in high tensile strength steel and creation of high fatigue strength material
Rotary granular material cutters
Vehicle steering apparatus
Tire bead and its method of manufacture
