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BERCHTOLD AG

Overview
  • Total Patents
    67
About

BERCHTOLD AG has a total of 67 patent applications. Its first patent ever was published in 1964. It filed its patents most often in Switzerland, EPO (European Patent Office) and United States. Its main competitors in its focus markets civil engineering, machines and electrical machinery and energy are ABUS PFAFFENHAIN GMBH, FONTANA FABIO and KOWALCZYK PIOTR LEONARD.

Patent filings per year

Chart showing BERCHTOLD AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Vonlanthen Benno 43
#2 Walther Robert 5
#3 Fritz Gysin 2
#4 Gysin Fritz 2
#5 Benno Vonlanthen 2
#6 Fuonranten Benno 1
#7 Vonlathen Benno 1
#8 Furitsutsu Gijin 1
#9 Vonlanthen B 1
#10 Traversa Carlo 1

Latest patents

Publication Filing date Title
AU6145300A Blocking device for a cylinder lock
FI981321A0 Locking device with cylinder lock and flat key - has broad sides of flat key contain guide grooves which cooperate with tumblers and comprise several functional regions
EP0819811A1 Bearing for the thrower of a cylinder lock
CZ178798A3 Locking device with a cylinder lock and a flat key
WO9721895A1 Locking device with a cylinder lock and a flat key
PL328728A1 Locking device with a cylinder lock and its associated flat key
CH690450A5 Cylinder lock.
CH689398A5 Control device with tamper-safe fastening and a lock cylinder.
EP0649956A2 Cylinder lock
CH687631A5 Locking device with a cylinder lock and a Wendeflachschluessel.
US4924686A Contact device for transmitting electrical signals between a lock and key in a cylinder lock
WO8805853A1 Electromechanical locking device
CH671799A5 Contact system for electronically coded cylinder lock key
CH660619A5 Cylinder lock
PT75788A Cylinder lock
CH650054A5 Emergency key device on a double cylinder lock.
EP0008310A1 Cylinder lock and reversible flat key
DE2622961A1 Keyhole spring loaded sliding cover for lock - has parallel prisms in flat unit moved against springs by key
JPS515193A HORIKOMIJO
DE2205092A1 DOOR LOCK WITH LATCH