Well pumping apparatus and method,申请号US19620238391-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	Well pumping apparatus and method
摘要
申请公布号	US3218977(A)	申请公布日期	1965.11.23
申请号	US19620238391	申请日期	1962.11.19
申请人	SCARTH ROBERT W	发明人	SCARTH ROBERT W.
分类号	F04B53/16	主分类号	F04B53/16
代理机构		代理人
主权项
地址

您可能感兴趣的专利

REVERSIBLE CONVERTER OF POSITION CODE TO RESIDUAL CLASS SYSTEM CODE

METHOD OF CONVERTING SHAFT TURN ANGLE TO DIGITAL VALUE

DEVICE FOR GENERATING PULSES IN THE MIDDLE OF TIME INTERVAL

SHAFT ROTATIONAL SPEED-TO-DIGITAL CONVERTER

FREQUENCY DIVIDER WITH DISCRETE CONTROLLING OF PULSE DURATION

DEVICE FOR SUPPRESSING CHATTER

PULSE PHASE DISCRIMINATOR

A.C.VOLTAGE-TO-A.C.VOLTAGE CONVERTER

ELECTRIC MOTOR WITH ROLLING ROTOR

READING AMPLIFIER FOR BUBBLE STORAGE

DEVICE FOR CONTROLLING EXCHANGE VIA BUS

MULTICHANNEL DYNAMIC PRIORITY DEVICE

DYNAMIC MICROPROGRAM DEVICE FOR CONTROLLING AND CHECKING

MATRIX DEVICE FOR CALCULATING VALUES OF TRIGONOMETRIC FUNCTIONS

D.C.ELECTRIC DRIVE

DEVICE FOR IMPLEMENTING DISCRETE FOURIER TRANSFORM IN RADIO ENGINEERING SYSTEMS