Well pipe joint,申请号US19390274152-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	Well pipe joint
摘要
申请公布号	US2239942(A)	申请公布日期	1941.04.29
申请号	US19390274152	申请日期	1939.05.17
申请人	HYDRIL COMPANY OF CALIFORNIA	发明人	STONE FREDERICK;BEACH REDONDO;STONE ALBERT L.
分类号	E21B17/042;F16L15/00;F16L15/06	主分类号	E21B17/042
代理机构		代理人
主权项
地址

您可能感兴趣的专利

TWO-STAGE OPENING TYPE DOOR LATCH DEVICE

METHOD FOR DISCHARGING SURPLUS WATER OF CONCRETE

MODULAR COORDINATION OF FORM

EXTERIOR WALL PANEL AND EXTERNAL-FACING MATERIAL MOUNTING METHOD

DEVICE AND METHOD FOR CORRECTING MISFIRE DETECTION

DEVICE FOR LINING EXISTING TUNNEL

VERTICAL HOLE BORING DEVICE

END MEMBER BLOCK FOR PROJECTED CORNER AND END MEMBER BLOCK FOR RECESSED CORNER

VERTICAL BRACKET FOR EXTERIOR WALL MATERIAL

PRECAST COLUMN UNIT

END STRUCTURE OF MOVABLE WALL

STORAGE PARTITION

COMPOSITE HEAT INSULATING PANEL STRUCTURE BODY

SPREADER POSITIONING STRUCTURE

METHOD FOR REPAIRING BATHROOM

JOINT BRIDGING STRUCTURE

TOILET BOWL INSTALLING STRUCTURE

GREENING WILD GRASS MAT AND GREENING METHOD

SELF-SUSTAINING EARTH RETAINING WALL AND SELF-SUSTAINING EARTH RETAINING WALL CONSTRUCTION METHOD