Well-casing puller,申请号US19280299218-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-casing puller
摘要
申请公布号	US1762087(A)	申请公布日期	1930.06.03
申请号	US19280299218	申请日期	1928.08.13
申请人	THE WELLMAN CASING SPEAR COMPANY	发明人	WELLMAN FRED F.
分类号	E21B31/20	主分类号	E21B31/20
代理机构		代理人
主权项
地址

您可能感兴趣的专利

RNA INTERFERENCE MEDIATED INHIBITION OF POLYCOMB GROUP PROTEIN EZH2 GENE EXPRESSION USING SHORT INTERFERING NUCLEIC ACID (siNA)

WHEEL HUB ASSEMBLY

COMBINATION THERAPY OF ANGIOTENSIN CONVERTING ENZYME INHIBITOR AND ALDOSTERONE ANTAGONIST FOR REDUCING AND MORBIDITY AND MORTALITY FROM CARDIOVASCULAR DISEASE

POWER CONVERTER WITH ROTATING/STATIONARY COMMUNICATION/PROCESSING MEANS

RNA INTERFERENCE MEDIATED TARGET DISCOVERY AND TARGET VALIDATION USING SHORT INTERFERING NUCLEIC ACID (siNA)

HYDROXYLATED INDIRUBIN DERIVATIVES

MOLYBDENUM, SULFUR AND BORON CONTAINING LUBRICATING OIL COMPOSITIONS

METHOD FOR PRODUCING 4-VINYLCYCLOHEXENE, ETHYL BENZOLE AND STYRENE

SPRAYABLE LOW VOLATILITY IN-MOLD GEL COAT COMPOSITIONS

ATHERMAL POLYMER NANOCOMPOSITES

BATTERY INTERCHANGE SYSTEM FOR BATTERY POWERED FLOOR MAINTENANCE EQUIPMENT

CLAMPING DEVICE AND METHOD FOR HOLDING BUNCHES OF FILAMENTS

RNA INTERFERENCE MEDIATED INHIBITION OF BCL2 GENE EXPRESSION USING SHORT INTERFERING NUCLEIC ACID (siNA)

PAIRED DIPPED BEAM HEADLIGHTS

MODULAR ELEMENT FOR FORMING LAWN OR FLOWERBED BORDERS OR THE LIKE

ELECTROPHORETIC DISPLAY DEVICE

COMBINATION CONSISTING OF TRAPIDIL AND SEROTONIN ANTAGONISTS SUCH AS CYPROHEPTADINE OR PIZOTIFEN FOR INHIBITING ANGIOGENESIS

STARCH DERIVATIVES, STARCH ACTIVE SUBSTANCE CONJUGATES, METHOD FOR THE PRODUCTION THEREOF AND THEIR USE AS MEDICAMENTS

FLUID PRODUCT DISPENSER