Drill pipe float

申请公布号：US1984107(A)

申请号：US19320618689

申请日期：1932.06.22

申请公布日期：1934.12.11

申请人：

BAKER OIL TOOLS, INC.

发明人：BAKER REUBEN C.

分类号：E21B21/10

主分类号：E21B21/10

DISPOSITIF DE COMMANDE D'UN BRULEUR A GAZ PAR POURSUITE OPTIQUE DU DOIGT DE L'UTILISATEUR

Optical fiber for light amplification comprises a praseodymium doped germanium-gallium-sulfur glass containing a halogen to avoid clustering

PRISE ELECTRIQUE GIGOGNE

MACHINE PERFECTIONNEE POUR LA DISTRIBUTION DE NAPPERONS

Bread-baking oven loading elevator moves on guide rails fixed to oven and can be folded against its side when not in use

Iodine-enriched extract preparation from algae by washing, drying, dissolving, concentrating and removing toxic metals, used in slow iodine release patches for stimulating thyroid function and lipolysis

Motor vehicle exhaust filter comprises a housing containing filter cartridge of woven non-oxidizing metal fabric

DISPOSITIF INTERFACE ENTRE UN SKI ET LES ELEMENTS DE RETENUE D'UNE CHAUSSURE

POUSSETTE POUR ENFANT, A HAMAC ALLONGEABLE TELESCOPIQUE, ET HAMAC CORRESPONDANT

MOISTURE-CURABLE COMPOUNDS CONTAINING ISOCYANATE AND ALKOXYSILANE GROUPS

PROCESS FOR PRODUCING SYNDIOTACTIC 1,2-POLYBUTADIENE AND IRON-BASED CATALYST COMPOSITION FOR USE THEREIN

Menetelmä likaantumisen ja kerrostumisen estämiseksi kaasufaasireaktoreissa

Process for producing the base of a cooking utensil

Jäteauto ja menetelmä kotitalousjätteen tai vastaavan keräämiseksi tai lajittelemiseksi

Hierarkkinen synkronointimenetelmä

Maskine til oprivning af halmballer og udlægning af løs halm, især til anvendelse i forbindelse med minkavl.

VOICE PROCESSING MODULE FOR T1/E1 USING DIGITAL SIGNAL PROCESSING CHIP

CANDLE LIGHT PERSONAL ORNAMENTS MAKING METHOD

BOWLING GLOVE WITH A GRADATION CONTROLLER

HEAT PUMP