Dust collecting device,申请号US19320630347-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	Dust collecting device
摘要
申请公布号	US1930099(A)	申请公布日期	1933.10.10
申请号	US19320630347	申请日期	1932.08.25
申请人	KELLEY-ATWELL DEVELOPMENT CORPORATION	发明人	KELLEY GEORGE S.
分类号	E21B21/015	主分类号	E21B21/015
代理机构		代理人
主权项
地址

您可能感兴趣的专利

METHOD FOR ELECTROLESS-PLATING ALUMINUM OR ALUMINUM ALLOY

DRIVING METHOD OF PILE

AUTOMATIC TAMPING METHOD AND DEVICE OF MULTIPLE TIE-TAMPER

ANODIC OXIDATION TREATMENT OF ALUMINUM OR ITS ALLOY WITH GOOD ALKALINE CORROSION RESISTANCE

VAPOR DEPOSITION METHOD AND VAPOR DEPOSITION DEVICE

AUSTENITIC STAINLESS STEEL EXCELLENT IN HOT WORKABILITY

HIGH BISMUS ALLOY STEEL

ALUMINUM ALLOY SHEET MINIMAL IN DISPERSION OF FLANGE WIDTH, AND ITS PRODUCTION

RESIN COMPOSITION FOR COATING

AQUEOUS COATING MATERIAL AND FORMATION OF COATED FILM USING THE SAME

MOISTURE CURABLE COATING COMPOSITION

ACTIVE ENERGY RAY CURING TYPE COATING MATERIAL COMPOSITION

POLYMER POLYOL/TACKIFIER/NITROGENOUS COMPOUND MODIFIER

ANTIBACTERIAL RESIN COMPOSITION AND MOLDED PRODUCT THEREOF

CURABLE COMPOSITION

STUD MADE OF ALUMINUM ALLOY

PRODUCTION OF HIGH STRENGTH HIGH TOUGHNESS HOT ROLLED STEEL PLATE

PRODUCTION OF THERMALLY REFINED HIGH TENSILE STRENGTH STEEL PLATE BY CONTINUOUS CASTING EXCELLENT IN TOUGHNESS