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
Rock drill
摘要
申请公布号
US2030981(A)
申请公布日期
1936.02.18
申请号
US19330673490
申请日期
1933.05.29
申请人
SULLIVAN MACHINERY COMPANY
发明人
GARTIN ELMER G.
分类号
E21B19/084
主分类号
E21B19/084
代理机构
代理人
主权项
地址
您可能感兴趣的专利
ウェブに第１の処理および第２の処理を施すためのユニットおよび方法
VENT
CHANNEL ACCESS METHOD IN WIRELESS LAN SYSTEM
SHEET-LIKE PLASTIC OIL-AND-FAT COMPOSITION
ELECTRONIC DEVICE AND METHOD FOR CONTROLLING THE SAME
A SHOVEL HEAD FOR SCOOPING A PREDETERMINED AMOUNT OF MATERIAL
BROADCAST SIGNAL TRANSMISSION OR RECEPTION DEVICE AND METHOD
SYSTEMS AND METHODS OF CHOROIDAL NEOVASCULARIZATION DETECTION USING OPTICAL COHERENCE TOMOGRAPHY ANGIOGRAPHY
ARTIFICIAL TYMPANIC MEMBRANE DEVICES AND USES
METHOD FOR THE DEPOSITION OF FILMS OF MIXED OXIDES ON COMPOSITE MATERIAL SUBSTRATES
METHOD OF PACKET CLASSIFICATION FOR 802.11AX
RADIOACTIVE WASTE PROCESSING METHOD
CERAMIC ELECTROSTATIC CHUCK BONDED WITH HIGH TEMPERATURE POLYMER BOND TO METAL BASE
A DATA PROCESSING APPARATUS AND METHOD FOR EXECUTING A STREAM OF INSTRUCTIONS OUT OF ORDER WITH RESPECT TO ORIGINAL PROGRAM ORDER
POSITIONING FEATURE POINTS OF HUMAN FACE EDGE
METHOD FOR THE TREATMENT OF MALIGNANCIES
THERMAL ENERGY STORAGE PLANT
SYSTEM AND METHOD FOR RESERVOIR MANAGEMENT USING ELECTRIC SUBMERSIBLE PUMPS AS A VIRTUAL SENSOR
AUDIOVISUAL ASSOCIATIVE AUTHENTICATION METHOD, RELATED SYSTEM AND DEVICE
MEASUREMENT AND CONTROL APPARATUS, SYSTEMS, AND METHODS
