首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
Improvements in and relating to electric motor control systems
摘要
申请公布号
GB512361(A)
申请公布日期
1939.09.01
申请号
GB19380021157
申请日期
1938.07.16
申请人
THE BRITISH THOMSON-HOUSTON COMPANY, LIMITED
发明人
分类号
H02J3/42
主分类号
H02J3/42
代理机构
代理人
主权项
地址
您可能感兴趣的专利
ULTRASONIC FLAW DETECTOR FOR CONTINUOUS INSPECTION OF STRIPS
Electric power line beacon - has capacitive component forming support with tubular body coaxial to cable held by insulating clamping jaws
Linkage for disc brakes - has ratchet mechanism with electromagnet providing compensation for wear
Automatic re-lighting system for gas heater - has solenoid valve which opens on power failure to maintain gas supply to burner
Inflatable ridge tent for camping - has double walls for each side forming compartments and covered and has no metal frame or guy ropes
Distributor for pharmaceutical boxes - has two pushers pushing last box of pile through side hole
Plant nutrient supply appts. - has reservoir with valve controlling outlet flow to maintain film at bottom of porous pot with annular well contg. rooting medium
NOUVEAU MATERIAU EN FEUILLE
PROCEDE POUR IGNIFUGER UNE MATIERE FIBREUSE SYNTHETIQUE
Piling device for textile panels having reinforced edges
SYSTEME FORMANT PROFIL DE CLEF
METHOD OF AND APPARATUS FOR MONITORING FLOW OF LIQUID FED OR DISCHARGED REGULARLY OR IRREGULARLY
INSTALLATION POUR LA REALISATION EN CONTINU DE PANNEAUX ISOLANTS PREFABRIQUES, ET PANNEAUX AINSI OBTENUS
ENGRENAGES A CHARGE CONSTANTE
MATIERE FILTRANTE EN PARTICULES OU EN PLAQUES POUR DES MATIERES ALCALINES A L'ETAT DE GAZ OU DE VAPEURS
DETECTEUR DE PARTICULES DANS UN FLUIDE
OUTIL DE COUPE NOTAMMENT POUR MACHINES-OUTILS TOURNANTES
ESTERS D'ACIDES DIMETHYLCARBAMOYLIMINO-2 THIADIAZOLINE-1,3,4 CARBOXYLIQUES-3 ET PRODUITS HERBICIDES QUI EN CONTIENNENT
PROCEDE DE PREPARATION DE SELS D'ARYLSULFONIUM
DISPOSITIF DE POSE D'UNE CONDUITE IMMERGEE