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
Methods for modeling designing, and optimizing the performance of drilling tool assemblies
摘要
申请公布号
GB2419015(A)
申请公布日期
2006.04.12
申请号
GB20060000583
申请日期
2004.07.09
申请人
SMITH INTERNATIONAL INC
发明人
SUJIAN J HUANG
分类号
E21B10/00;E21B44/00;G06F15/00
主分类号
E21B10/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
EINLAGEVLIESSTOFF
Cast cylinder head for engine cylinder block - has lateral slots between duct pairs extending upward by more than half head height from head gasket face
Dust filter for air - comprises filter bags suspended by internal pipe length from perforated plate with easily released clamp
Short duration energy accumulator for vehicles - has hydropneumatic pressure accumulator, coupled by hydraulic line to motor-pump set in connection with drive shaft
Flow directing device for e.g. IC engine silencer - has two streams directed together after being swirled through differing path lengths
Herbicidal compsn. contg. di:carboxylic acid deriv. - as antidote to reduce toxic effects on crop plants
Tensioning frame for embroidery, etc. - has wall which tip outwards under action of eccentrically mounted push-rods
Stop valve remote control system - has supply units each with two gas generators or=unit and selector
Stepped dia. tube continuous prodn. - uses subsequent drawing operations with variable dia. dies and mandrels
Exchange cubicle for telephone system installation - with removable rear panel carrying distribution wiring
Compost shredder - has inclined motorised impeller with cutter blades and discharge vanes
Hot-melt adhesive supply machine - has high pressure plasticising worm mechanism connected to compensating storage pressure vessel
Polygon effect of continuous moulding bands for foam prods. - is reduced by fluctuating speed of driving polygonal wheels
Tent extension for caravan - stretches on at least one side and past back of vehicle, with sealing strips along roof
Sound cine system for amateur camera - has frame related sound track across film for transfer to side track for synchronous editing
Wood splitting and cutting machine - has rotatable sharp edged wedge in frame, actuated by power cylinder
Mechanical sealing joint for rectangular waveguides - has guide bolted coupling with outer sleeve and end shaped sealing screwed clamp
Miniature laval nozzles made by electroforming - onto mandrel shaped by profiled turning tool to obtain exact profiles
High-speed small steam generator - works on overflow principle and has feed-water centrifugal pump controlled by water level regulator
DEVICE FOR CHECKING THE SOIL COMPACTNESS DEGREE