In situ exploitation of lignite using steam,申请号US19590809931-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	In situ exploitation of lignite using steam
摘要
申请公布号	US2952450(A)	申请公布日期	1960.09.13
申请号	US19590809931	申请日期	1959.04.30
申请人	PHILLIPS PETROLEUM COMPANY	发明人	PURRE HEINO
分类号	E21B43/24;E21B43/26	主分类号	E21B43/24
代理机构		代理人
主权项
地址

您可能感兴趣的专利

FILLER YIELD ENHANCING AGENT FOR PAPER MAKING AND PAPER MAKING METHOD

MAGNESIUM BASE PULPING METHOD

PROCESS FOR PREPARING SUBSTITUTED N-(1-(3,4-METHYLENEDIOXPHENYL)-PROPYL(2))-N'-SUBSTITUTED PHENYL PIPERAZINES

LOTTNINGSANORDNING

FOERFARANDE FOER FRAMSTAELLNING AV IMIDAZOLIDINDERIVAT

Triazole compounds, and pharmaceutically acceptable salts thereof, a pharmaceutical preparation which comprises these compounds, and the compounds for therapeutic use, in particular as an antifungal agent

FERRORESONANCE TYPE FREQUENCY CONVERTER

PLUGGING COMPOSITION

METHOD OF ROLLING-ON AXIALLY-SYMMETRICAL PROFILES

INDEXING ARRANGEMENT

FORFARANDE FOR BEHANDLING AV EN PRODUKT INNEHALLANDE FROOLJA FRAN OLJEVEXTER

KRISTALLISATION AV ZEOLIT A UNDER INDUSTRIELLA FRAMSTELLNINGSPROCESSER

SETT ATT FRAMSTELLA METYL-T-BUTYL-ETER

FORFARANDE OCH ANORDNING FOR OVERVAKNING AV MEDELST RENGORINGSMEDEL DRIVNA RENGORINGSANORDNINGAR FOR TANKAR

PROCESS FOR PRODUCING POLYCYCLIC ETHER ANTIBIOTICS

RICE MILLING MACHINE

DIGITAL WATCH WITH MULTIPLEEFUNCTIONS

GROUNDDFAULT PROTECTIVE RELAY

INDEPENDENT TROUBLE MONITOR