| 发明名称 |
Plunger lift apparatus |
| 摘要 |
|
| 申请公布号 |
US2038426(A) |
申请公布日期 |
1936.04.21 |
| 申请号 |
US19340706811 |
申请日期 |
1934.01.16 |
| 申请人 |
HUGHES TOOL COMPANY |
发明人 |
FLETCHER HAROLD W. |
| 分类号 |
F04B47/12 |
主分类号 |
F04B47/12 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
您可能感兴趣的专利
WASTE REMOVAL VALVE IN GAS-VENTING AND WASTE-COLLECTING TOILET
STORAGE SYSTEM, STORAGE MANAGEMENT DEVICE, STORAGE DEVICE, HYBRID STORAGE DEVICE, AND STORAGE MANAGEMENT METHOD
EXTENDED DISPLAY IDENTIFICATION DATA (EDID) PROCESSING METHOD AND APPARATUS
METHOD AND SYSTEM FOR ACCESSING HOME CLOUD SYSTEM BY CLOUD TERMINAL, AND CLOUD ACCESS CONTROL DEVICE
COMMUNICATION METHOD AND COMMUNICATION DEVICE
PHOTOGRAPHING METHOD AND APPARATUS
DATA INTERACTION PROCESSING METHOD, DEVICE AND SYSTEM
BIOTECHNOLOGICAL BREEDING METHOD FOR OBTAINING ANTIVIRAL SEEDLESS GRAPES
LIVING BODY DETECTION METHOD, LIVING BODY DETECTION SYSTEM, AND COMPUTER PROGRAM PRODUCT
MAC ADDRESS SYNCHRONIZATION METHOD, DEVICE AND SYSTEM
CONTROLLED PHASE SHIFT TRANSMITTER WITH SHORT-CIRCUIT CURRENT LIMITING FUNCTION
DUAL STACK ADDRESS MANAGEMENT METHOD AND FIRST NETWORK ELEMENT
DATA STORAGE METHOD, DEVICE AND SYSTEM
MULTI-DIMENSIONAL DATA INSIGHT INTERACTION
LED LIGHT SOURCE MODULE
STORAGE RESOURCE MANAGEMENT SYSTEM AND METHOD
METHOD AND APPARATUS FOR TRANSMITTING VOICE IN PARTY-LINE TELEPHONE SYSTEM
DATA READING METHOD, PEER DEVICE, CONTROLLER, AND STORAGE MEDIUM
LABEL REMARKING METHOD FOR ELECTRONIC BOOK, AND READING DEVICE
INTEGRATED CALCINATION-CARBONATION SYSTEM AND CLOSED-LOOP CO2 CYCLE FOR THERMOCHEMICAL ENERGY STORAGE AND ELECTRICAL ENERGY GENERATION
