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
Strainer cleaner
摘要
申请公布号
US2178161(A)
申请公布日期
1939.10.31
申请号
US19360117443
申请日期
1936.12.24
申请人
JOHN GRANT
发明人
BLAIR DARRELL H.
分类号
E21B37/08
主分类号
E21B37/08
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Image generation using vertex and pixel processing sections
Marine seismic air gun timing
METHODS AND APPARATUSES FOR INTRASYSTEM AND INTERSYSTEM SLIDING INTERMEDIATE FREQUENCY TRANSCEPTION
GOLF TRAINING DEVICE
Computer-assisted creation of a custom tooth set-up using facial analysis
Marking
PROGRESSIVE REFRACTIVE POWER LENS AND PRODUCTION METHOD THEREFOR
Improved pump
INTEGRATED FILTER-INJECTOR
INTEGRATED WAVEFRONT CORRECTION MODULE WITH REDUCED TRANSLATION
DYNAMIC KNOWLEDGE-BASED NETWORKING SYSTEM AND METHOD
METHODS OF PROVIDING WATER PROTECTION TO FLOOR STRUCTURES AND FLOOR STRUCTURES FORMED BY THE SAME
PDE5 INHIBITOR COMPOSITIONS AND METHODS FOR TREATING CARDIAC INDICATIONS
Sign post comprising composite material
CANDIDATE GENERATION FOR LUNG NODULE DETECTION
HANDOFF BETWEEN CELLULAR AND ENTERPRISE WIRELESS NETWORKS
RESCUING DEVICE OF SAVE A LIFE FOR FIRE
System for data analysis
[Gln 34] PP a Y2/Y4 selective receptor agonist for therapeutic interventions
Method for manufacturing compound semiconductor epitaxial substrate
