System of mining oil shales,申请号US19300433385-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	System of mining oil shales
摘要
申请公布号	US1919636(A)	申请公布日期	1933.07.25
申请号	US19300433385	申请日期	1930.03.05
申请人	KARRICK SAMUEL N	发明人	KARRICK SAMUEL N.
分类号	E21C41/24	主分类号	E21C41/24
代理机构		代理人
主权项
地址

您可能感兴趣的专利

THIN MAGNET ALLOY BELT AND RESIN-BONDED MAGNET

DEVICE AND METHOD FOR STABILISING THE TARTRATE INDEX OF WINES

DEVICE IN A LIGHT FITTING

PROJECTILE RESISTANT STRUCTURE

MIDDLE VOLTAGE SWITCHING STATION WITH A BUSBAR SPACE AND A CONNECTION SPACE

TRUNKED RADIO SYSTEM USING DUAL RECEIVER ARCHITECTURE TO IMPROVE EFFICIENCY, PERFORMANCE AND ACCESS TIMES

MICROSCOPE FOR COMPLIANCE MEASUREMENT

REAL TIME BANK-CENTRIC UNIVERSAL PAYMENT SYSTEM

ASSAYS FOR COMPOUNDS WHICH EXTEND LIFE SPAN

CLUSTERED ADDRESS CACHING SYSTEM FOR A NETWORK SWITCH

AN EXTENSIBLE PROXY FRAMEWORK FOR E-MAIL AGENTS

TOOTHED TIMING BELT WITH STEEL CORD

INTER-TRACKS FOR POWER PRINTED CIRCUITS

CONTAINER CONVERTIBLE BETWEEN A LIDDED SHOPPING BAG AND A PACKAGE

HEIGHT ADJUSTMENT MEANS FOR SAFETY BELT DEFLECTOR FITTINGS OF VEHICLES

PROCESS FOR THE PRODUCTION OF GENERAL PURPOSE PSA'S

METHOD OF CONTROLLING COMMUNICATION RESOURCES

SYSTEMS AND METHODS FOR AUTOMATIC DEVIATION SETTING AND CONTROL IN RADIO TRANSMITTERS

METHOD FOR PROCESSING AND/OR QUERYING LINE-RELEVANT DATA OF A SUBSCRIBER LINE

AQUEOUS DISPERSIONS CONTAINING POLYURETHANES WITH CARBODIIMIDE GROUPS