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
PROEVETAKNINGSVENTIL MED TIDSFORSINKELSE
摘要
申请公布号
NO170776(B)
申请公布日期
1992.08.24
申请号
NO19870001372
申请日期
1987.04.02
申请人
HALLIBURTON COMPANY
发明人
RINGGENBERG, PAUL DAVID
分类号
E21B34/10;E21B49/00;E21B49/08;(IPC1-7):E21B49/08
主分类号
E21B34/10
代理机构
代理人
主权项
地址
您可能感兴趣的专利
ARTICLE DISPLAY FIXTURE
IMPROVEMENT IN AUDIBLE TWO-DIMENSIONAL IMAGES
SLIDING NOZZLE ROCKET BOOSTER
METHOD FOR PRODUCING OLEFIN OLIGOMERS, USING A MODIFIED MORDENITE BASED CATALYST
INFORMATION HANDLING AND CONTROL SYSTEMS AND METHODS OF TESTING THE CONDITIONS OF ELECTRICAL LOADS IN SUCH SYSTEMS
COMPUTER BUS HAVING PAGE MODE MEMORY ACCESS
DAMPENING UNIT FOR ROTARY OFFSET PRINTING MACHINES
PROCEDIMENTO PER LA PRODUZIONE DI PANNELLI TRUCIOLATI
PARKING HEAD IN DISC DRIVE
BRUSHLESS MOTOR
DATA TRANSFER METHOD FOR MICROCOMPUTER
SWITCHING DEVICE FOR DATA BUS WIDTH
SILVER HALIDE PHOTOGRAPHIC PRINTING PAPER WITH HIGH WHITENESS AND SPECTRALLY SENSITIZED BY INFRA-RED RAY
ENGINE WITH STARTING CHARGING EQUIPMENT
CHARGE-AND-DISCHARGE CONTROL OF CHARGING BATTERY
SEMICONDUCTOR POSITION DETECTOR FOR RANGE FINDING
AIR PRESSURE DUST REMOVING APPARATUS FOR FIBER MACHINE
VOCODER
METAL AND METAL OXIDE CATALYSED ELECTRODES FOR ELECTROCHEMICAL CELLS, AND METHODS OF MAKING SAME
AUTOMATIC PROGRAMMING DEVICE