Lock device for well tools,申请号US19480046679-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	Lock device for well tools
摘要
申请公布号	US2671513(A)	申请公布日期	1954.03.09
申请号	US19480046679	申请日期	1948.08.28
申请人	BAKER OIL TOOLS, INC.	发明人	JR. EARNEST H. CLARK,
分类号	E21B33/129	主分类号	E21B33/129
代理机构		代理人
主权项
地址

您可能感兴趣的专利

COMPOSITION FOR FERROELECTRIC THIN FILM FORMATION, METHOD FOR FERROELECTRIC THIN FILM FORMATION, AND FERROELECTRIC THIN FILM FORMED BY THE METHOD

AUTOMATIC COIN - OPERATED OR ELECTRONIC CARD - OPERATED WASHING MACHINE AND DRYER FOR HELMETS

Method and device for coding a multidimensional digital signal

FILTER HOUSING AND METHOD FOR PRODUCING SAID FILTER HOUSING

ADAPTER FOR FASTENING A FILTER ELEMENT

Hydroconversion process and catalyst used therein

Collapsible roof for a passenger vehicle

DRIVING FORCE CONTROL DEVICE FOR VEHICLE

SYSTEM FOR SPORT AND ENTERTAINMENT

Surgical stapling and cutting instrument with improved firing system

Tissue ablation system with energy distribution

LINEAR ACTUATOR

VARIANT ALPHA-AMYLASES FROM BACILLUS SUBTILIS AND METHODS OF USE, THEREOF

SELECTING BETWEEN NORMAL AND VIRTUAL DUAL LAYER ACK/NACK

Resource management in multi-processor system

TREE DELIMBING METHOD AND DEVICE

CHAIR, PARTICULARLY A DENTIST CHAIR, HAVING A SEAT COMPRISING INCLINABLE LEG RESTS

MODULATING INTERSTITIAL PRESSURE AND ONCOLYTIC VIRAL DELIVERY AND DISTRIBUTION

AMINO ACID AND NUCLEIC ACID SEQUENCES FOR CONTROLLING PATHOGENS