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HOPF A METALLWERKE KG

Overview
  • Total Patents
    41
About

HOPF A METALLWERKE KG has a total of 41 patent applications. Its first patent ever was published in 1951. It filed its patents most often in Germany, Austria and France. Its main competitors in its focus markets packaging and shipping, machines and consumer goods are SOLENT CANNERS LTD, KOHEN YUSUF and STULL MORTON B.

Patent filings in countries

World map showing HOPF A METALLWERKE KGs patent filings in countries

Patent filings per year

Chart showing HOPF A METALLWERKE KGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hoffmann Franz 18
#2 Franz Hoffmann 6
#3 Hoffmann F 2
#4 Hopf Kg Metallwerke Adolf 1
#5 Hoffmann Franoerdlingen 1

Latest patents

Publication Filing date Title
GB1079700A Improvements in or relating to screw caps for bottles or the like
FR1485328A Threaded cap closure
FR1392963A Pressure drip closure system, for bottles
FR1383449A Guarantee closing system for bottles or the like
DE1190868B Tightly closable screw container, such as a box or sleeve
US3072277A Bottle stoppers
FR1241429A Bottle fitted with a closure whose removal is prevented by a locking system
DE1162221B Screw cap closure for vessels such as bottles or cans
US3064844A Closures for bottles
FR1227748A Cap for bottles or flasks
DE1157954B Locking and locking ring for fixing a bottle closure member
DE1101991B Seal made of elastic material
DE1164864B Bottle cap
DE1092793B Cap closure
DE1145864B Shaft intended for storage in an undivided bearing
DE1129849B Screw cap closure with sealing washer
DE1054230B Device for the manufacture of plastic screw caps for bottle closures
DE1036681B Sealing insert
FR1051969A Bottle closure
DE975290C Screw cap closure for narrow-necked bottles