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
Steam actuated rotary drilling control
摘要
申请公布号
US1810246(A)
申请公布日期
1931.06.16
申请号
US19290373370
申请日期
1929.06.24
申请人
PHILIP JONES
发明人
JONES PHILIP
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
PERFECCIONAMIENTO EN EL MONTAJE DE IMANES PARA SU APLICACIONEN VOLANTES MAGNETICOS.
PROCEDIMIENTO PARA LA OBTENCION DE COPOLIMEROS DE ANHIDRIDO DE ACIDO MALEICO.
DISPOSITIVO VALVULAR DE CONTROL DEPENDIENTE DE LA TRAYECTO- RIA
MAQUINA DE ENVOLVER CON INSERCION DE ETIQUETA
PROCEDIMIENTO DE SEPARACION DE MEZCLAS BIOLOGICAS
DISPOSICION DE MAQUINITA DE LIZOS.
REACTOR VOOR DE BIOLOGISCHE ZUIVERING VAN WATER.
Packing carton for shrubs and trees - has fold-in top to grip stem or trunk and to limit evaporation
Machine tool slide way opening sealing equipment - comprises flexible strip between slide ways held taut by tensioning device
PROCESS FOR PREPARING BENZOTHIAZINE CARBOXAMIDES AND INTERMEDIATES THEREOF
PROCESS FOR FABRICATING A HIGH SPEED BIPOLAR TRANSISTOR
RUIT VOORZIEN VAN ELEKTRISCHE DRAAD EN DRAAD.
PREPARATION OF RAW PITCH FOR NEEDLE COKE
HEAT-ACCUMULATING AGENT
QUALITY IMPROVEMENT OF NATURAL JAPANESE LACQUER
DEVICE FOR AUTOMATICALLY TAKING CUSTODY AND EXTRACTING ARTICLE
IMMOBILIZATION OF LIVE MICROBIAL CELL
TITANIUM TRICHLORIDE CATALYTIC COMPONENT AND HOMOPOLYMERIZATION AND COPOLYMERIZATION OF ALPHA-OLEFIN
FISHING METHOD
SEEDING DEVICE FOR NURSERY PLANT GROWING BOX