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
Automatically relieved gas pressure well apparatus
摘要
申请公布号
US2815816(A)
申请公布日期
1957.12.10
申请号
US19550516477
申请日期
1955.06.20
申请人
BAKER OIL TOOLS, INC.
发明人
BAKER REUBEN C.
分类号
E21B23/06
主分类号
E21B23/06
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Treatment of keratinous tissue
Maize cellulose synthases and uses thereof
Allene oxide synthase and divinyl ether synthase from the cyp74-enzyme family isolated out of physcomitrella patens, the nucleotide sequences that code these synthases, and method for producing pathogen-resistant plants
Metalloproteinase ADAM 22
Methods for identifying RNA binding compounds
cDNA for human methylenetetrahydrofolate reductase and uses thereof
Oligonucleotides antibodies and kits including same for treating prostate cancer and determining predisposition thereto
Peptide from the glycoprotein B from human herpesvirus 7 for use in a serological ELISA test
Process of fabricating termination region for trench MIS device
Machine for packaging products
Means and methods for the specific inhibition of genes in cells and tissue of the cns and/or eye
Selectin ligands
Method and apparatus to multicast transmission
Liquid crystal display device and backlight module thereof
Controller of ink jet head, control method of ink jet head, and ink jet record apparatus
Linear frequency-modulated pulse radar
Liquid discharging apparatus
Digital cameras with luminance correction
Storage tank for hot water systems
System and method for desensitizing the activation criteria of a rollover control system