Method of manufacturing well drill pipe protectors,申请号US19440527283-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	Method of manufacturing well drill pipe protectors
摘要
申请公布号	US2433042(A)	申请公布日期	1947.12.23
申请号	US19440527283	申请日期	1944.03.20
申请人	THERMOID COMPANY	发明人	GRAHAM ADELBERT M.
分类号	B29C33/68;B29C43/24;B29C43/32;B29C53/56;B29C61/00;B29C69/00;E21B17/10	主分类号	B29C33/68
代理机构		代理人
主权项
地址

您可能感兴趣的专利

HARVESTER RECIPROCATING CUTTER DRIVE

DIFFERENTIAL PRESSURE MECHANISM

REDUCTION OF ALUMINA

ACYLATED AMINO ACID ESTERS OF DEXTRAN PRODUCT AND METHODS OF MAKING

PRINTING INK VEHICLE CONTAINING AMIDE-ALDEHYDE RESIN

CRYSTALLINE SALTS OF AN ANTIVIRAL SUBSTANCE AND PROCESS FOR PREPARING THE SAME

FURAN RESIN COMPOSITIONS

MEANS FOR ASSEMBLING OPEN RETAINING RINGS

PROCESS FOR MANUFACTURING PROPYLENE COMPOUNDS

POLYMERIZATION OF WATER-SOLUBLE ETHYLENICALLY UNSATURATED MONOMERS IN THE PRESENCE OF A CHELATING AGENT

CIRCUIT ARRANGEMENT COMPRISING A PHOTOTRANSISTOR

REGULATION OF PRESSURE FOR AVIATION HELMETS

DRILLING APPARATUS

POLYMERIZATION OF ISOBUTYLENE

PULSE RECORDING APPARATUS

REDUCTION GEAR TRANSMISSION

SLOTTED CYLINDER ANTENNA

ELECTRONIC ORGAN AMPLIFIER GATE CIRCUIT

ELECTRONIC NON-LINEARITY CONTROL CIRCUIT