| 发明名称 |
Pipe driver |
| 摘要 |
|
| 申请公布号 |
US2882011(A) |
申请公布日期 |
1959.04.14 |
| 申请号 |
US19560572250 |
申请日期 |
1956.03.19 |
| 申请人 |
RIPSTEIN ARCHIE C |
发明人 |
RIPSTEIN ARCHIE C. |
| 分类号 |
E21B7/04 |
主分类号 |
E21B7/04 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
您可能感兴趣的专利
A METHOD AND APPARATUS FOR ENHANCEMENT AND QUALITY IMPROVEMENT OF ANALYTE MEASUREMENT SIGNALS
Optical displacement measuring instrument
Image processing apparatus, control method of image processing apparatus, and storage medium storing therein control program for image processing apparatus
ULTRASONOGRAPHIC DEVICE
KNIFE, PARTICULARLY FOR CUTTING FOOD
Systems, methods, and computer program products for lane change detection and handling of lane keeping torque
Operating device for air conditioner
CARRIER CORE MATERIAL FOR ELCTROPHOTOGRAPHIC DEVELOPING AGENT, PROCESS FOR PRODUCING THE CORE MATERIAL, CARRIER FOR ELCTROPHOTOGRAPHIC DEVELOPING AGENT, AND ELECTROPHOTOGRAPHIC DEVELOPING AGENT.
Endoscopic stitching devices
Handheld electronic device and method for disambiguation of compound text input
A RADIO ANTENNA FOR A COMMUNICATION TERMINAL
LATENT NEURAL STEM CELL POPULATION
CONTROL FIELD EVENT DETECTION IN A DIGITAL VIDEO RECORDER
PROCESS FOR PREPARING 3,4-DIOXO-SUBSTITUTED AROMATIC ALDEHYDES
HETEROARYL-CARBOXYLIC ACID (SULFAMOYL ALKYL) AMIDE - DERIVATIVES AS FACTOR XA INHIBITORS
CONTROL DESK
MODIFIED OPTICAL DATA CARRIER HAVING A CLAMPING REGION
SYSTEM AND METHOD
METHOD FOR CREATING AND TRACKING EXTERNAL SYSTEM DATA VIA A MIND MAP
SYSTEM, METHOD, AND APPARATUS FOR PASSIVE AND ACTIVE UPDRILL FEATURES ON ROLLER CONE DRILL BITS
