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
Well head controller
摘要
申请公布号
US1920040(A)
申请公布日期
1933.07.25
申请号
US19310553827
申请日期
1931.07.29
申请人
HOOYDONK HENRY VAN
发明人
HOOYDONK HENRY VAN
分类号
E21B33/06
主分类号
E21B33/06
代理机构
代理人
主权项
地址
您可能感兴趣的专利
INDUSTRIAL ROBOT HAVING VARIABLE ARM STRUCTURE.
METODO DI TRATTAMENTO E CONFEZIONAMENTO DEL SALAME CRUDO INSACCATO.
CONTENITORE ESPOSITORE A PIU' SCOMPARTI PER ARTICOLI CASALINGHI, PARTICOLARMENTE POSATE PRECONFEZIONATE O SFUSE.
DISPOSITIVO DI CHIUSURA PER STAMPO
DISPOSITIVO DI RAFFREDAMENTO A MONOCIRCUITO PER MOTORI DI NATANTI,RAFFREDDATI CON ARIA DI ALIMENTAZIONE
PROCEDIMENTO CONTINUO PER LA CLORURAZIONE RADICALICA DI CLOROALCANI
CONTROLLER FOR ELEVATOR
ROTARY HEAD FOR LASER BEAM MACHINE
LASER BEAM MACHINE
MULTIVALUED SIGNAL IDENTIFICATION CIRCUIT
DISPENSER
PRINTER FOR PAPER-ROLL ROTARY PRESS
VIDEOTEX TERMINAL EQUIPMENT
ADJUSTABLE SPEED CONTROLLER FOR INDUCTION MOTOR
MONITOR OF RESERVE SOURCE OF TERMINAL APPARATUS
CARRIER PROTECTIVE RELAY DEVICE
Measurement device or induction device with measurement device, or device for material recovery for a measurement device for metabolic states in the blood by puncturing under reduced pressure in a suction cup with displacement of the measurement zone outside the tip region of the puncturing device
STERILE BAG-MAKING FILLER
APPARATUS FOR TRIPPING BREAKER
EASILY SEALABLE DISCRIMINATING PACKAGING MATERIAL
