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
Automatic drilling machine
摘要
申请公布号
US2182624(A)
申请公布日期
1939.12.05
申请号
US19370180402
申请日期
1937.12.17
申请人
WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY
发明人
DREYER WILLIAM C.
分类号
E21B19/08
主分类号
E21B19/08
代理机构
代理人
主权项
地址
您可能感兴趣的专利
THE PYROLYSIS INCINERATION WITH GASIFICATION PROCESS SYSTEM
PICTURE CODING METHOD AND PICTURE DECODING METHOD
VALVE ASSEMBLY
METHODS FOR MODIFYING PLANT RESPONSES TO STRESS AND CORRESPONDINGLY DERIVED PLANTS
SYSTEM AND METHOD FOR DEPLOYING A PROXIMALLY-FLARING STENT
LAMINATES OF FILMS AND METHODS AND APPARATUS FOR THEIR MANUFACTURE
WATERCRAFT ARRESTING SYSTEM
COVER FOR PELT BOARDS
CLIMBER MECHANISM
BARIATRIC SEATING FURNITURE
COPOLYMER, PRODUCTION PROCESS THEREOF, LUBRICATING OIL VISCOSITY MODIFIER, AND LUBRICATING OIL COMPOSITION
HANDHELD ELECTRONIC DEVICE AND HINGE ASSEMBLY
NOVEL PROTEIN ISOLATED FROM PLEUROTUS CORNUCOPIAE
CONTROL CHANNEL FORMAT INDICATOR FREQUENCY MAPPING
METHOD OF STARTING TURBINE ENGINE FROM LOW ENGINE SPEED
CONSUMABLE PRODUCT CONTAINER ASSEMBLY
LAUNDRY MACHINE
METHOD AND APPARATUS FOR RECEIVING, STORING, AND PRESENTING MULTIMEDIA PROGRAMMING WITHOUT INDEXING PRIOR TO STORAGE
OPTICAL ALIGMENT SYSTEM AND METHOD
ARRANGEMENT FOR THE TREATMENT OF CELLULOSE PULP
