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 tool
摘要
申请公布号
US2562346(A)
申请公布日期
1951.07.31
申请号
US19450623237
申请日期
1945.10.19
申请人
GLOBE OIL TOOLS COMPANY
发明人
WHITTAKER CHARLES E.
分类号
E21B10/10
主分类号
E21B10/10
代理机构
代理人
主权项
地址
您可能感兴趣的专利
MANDRINO AUTOCENTRANTE CON SUPPORTI INTERMEDI DI COLLEGAMENTO PERMETTENTI L'AGGANCIO ED IL RILASCIO RAPIDI DEI MORSETTI ALLE GRIFFE BASE
PARETE DIVISORIA INTERNA COMPONIBILE A CONTENITORE
PORTA-ACCENDINO CON CAPPUCCIO PREDISPOSTO PER UN RIVESTIMENTO DECORA- TIVO OTTIMALE
COOKING APPARATUS FOR BREAD PRODUCTION
INDANE DERIVATIVE
ELASTOMER FILM AND COMPOSITE FILM CONTAINING THE SAME
THERMAL RECORDING MATERIAL
THERMAL RECORDING MATERIAL
POWER SUPPLY SYSTEM
PRODUCTION OF FERMENTED MILK FLAVOR HAVING MILKY TASTE AND GOOD BODY
TREATMENT OF HEATED SOY SAUCE
PRODUCTION OF FERMENTED DRINK OF PLANT ESSENCE CONTAINING ACTIVE PROTEASE
W/O/W TYPE COMPLEX EMULSION WITH RELEASE CONTROLLED BY SALTS AND TEMPERATURE
PRODUCTION OF BOILED BUCKWHEAT AND PRODUCTION SYSTEM THEREFOR AND CHINESE NOODLE
METHOD OF CONNECTING OPTICAL FIBER COMPOSITE SUBAQUEOUS LONG SUBSTANCE
METHOD FOR FORMING TOPOGRAPHICAL CHART
APPARATUS FOR CASTING DIFFERENT KINDS OF CAST SLAB AND METHOD FOR USING THIS
BICYCLIC DERIVATIVE, METHOD OF ITS PREPARATION, DISEASE INDUCIBLE BY LEUKOTRIENE OR PHARMACEUTICAL COMPOSITION FOR USE IN TREATING ITS SYMPTOMS
FOERFARANDE FOER FRAMSTAELLNING AV B-HYDROXI-A-AMINOSYROR.
AUTOMATIC STORING AND TRANSPORTING DEVICE FOR CABLE