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
Flow regulating device
摘要
申请公布号
US2655217(A)
申请公布日期
1953.10.13
申请号
US19510244922
申请日期
1951.09.04
申请人
JOHNSTON TESTERS, INC.
发明人
BAGNELL EDGAR W.
分类号
E21B43/12
主分类号
E21B43/12
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Dynamic energy control
Resuscitator and aspirator technology
Furazanobenzimidazoles as prodrugs to treat neoplastic or autoimmune diseases
Artificial selection method and reagents
Pharmaceutical oral telmisartan solution
Food cutting board
Method and arrangement in a wireless communication system
Power plant for burning fuel and process for recycling smoke gases for fuel burning therein
Solid pharmaceutical composition for buccal administration of agomelatine
Wurzelcutter
Apparatus and method for de-watering of flocculated materials
Abuse-resistant formulations
Combinations of biological control agents and insecticides or fungicides
Mill and method of use
Joining method of concrete structure
Fumigant/sterilant
1-desoxy-2-methylene-19-nor-vitamin d analogs and their uses
Human antibodies that bind human tnfa
Combinations for the treatment of diseases involving cell proliferation
Pulmonary surfactant formulations and methods for promoting mucus clearance
