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
Standing valve
摘要
申请公布号
US1873735(A)
申请公布日期
1932.08.23
申请号
US19290333902
申请日期
1929.01.21
申请人
THE TEXAS IRON WORKS SALES CORPORATION
发明人
BOWMAN ARCHIBALD M.;NIXON JEDDY D.
分类号
E21B34/06
主分类号
E21B34/06
代理机构
代理人
主权项
地址
您可能感兴趣的专利
ANCHOR FOR DECOY ANGLING AND SNELL EQUIPPED THEREWITH
DIMMING SYSTEM IN ILLUMINATION WITH FLUORESCENT LAMP
PAPER FEED DEVICE AND RECORDING DEVICE
IMAGE FORMING DEVICE
TONER FOR DEVELOPING ELECTROSTATIC CHARGE IMAGE AND HEAT FIXING METHOD
COMBUSTIBLE CONTAINER AND PRODUCTION THEREOF
STRUCTURE FOR FIXING DRAIN PAN OF AIR CONDITIONER
LONG HINGE AND USING METHOD THEREOF
MANUFACTURE OF LAMINATED SHEET
PRESS FORMING DEVICE
DATA PROCESSOR
ACCESS TO PERIPHERAL EQUIPMENT PROVIDED WITH SYNCHRONIZATION FUNCTION
GAS INSULATED SWITCHGEAR
AIR BAG FOR VEHICLE
STABLY STORABLE AQUEOUS SOLUTION OF ISOTHIAZOLIN-3-ONE
Wrinkle finish powder coating
Use of a triethanolamine product mixture
Oxidation catalyst and process for the partial oxidation of methane
Method and apparatus for sterilization of and treatment with ozonized water
Electrodes for plasma etching apparatus and plasma etching apparatus using the same
