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
Drilling auger
摘要
申请公布号
US3382937(A)
申请公布日期
1968.05.14
申请号
US19660546980
申请日期
1966.05.02
申请人
JAMES P. WATTS
发明人
WATTS JAMES P.
分类号
E21B17/22
主分类号
E21B17/22
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Articles having improved resistance to thermal cracking
Curable resin composition and optical film
Identification device having antimicrobial properties
Method of cleaning carbon composite prior to application of thermal coating
Intragastric space fillers and methods of manufacturing including in vitro testing
Bioavailability enhancing composition
Uses of ammonium chloride
Transdermally absorbable donepezil-containing preparation
Vaccine composition containing synthetic adjuvant
Compositions and methods for vaccinating against HSV-2
Immunoconjugates targeting syndecan-1 expressing cells and use thereof
Body cavity foams
Crucible for photovoltaics
Pipette tip supplying apparatus, sample analyzer and pipette tip supplying method
Biological sterilization indicator and method of using same
System for the injection moulding of plastic material, particularly suitable for the moulding of pieces having the form of a solid of revolution or similar, and corresponding method
Preparation method for asphalt-based spherical activated carbon which requires no infusibilization process
Solution-based synthesis of CsSnI<sub>3 </sub>thin films
Process for producing liquid composition for organic semiconductor element
Integrated circuit method with triple patterning
