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THEODOR KROMER G M B H SPEZIAL

Overview
  • Total Patents
    14
About

THEODOR KROMER G M B H SPEZIAL has a total of 14 patent applications. Its first patent ever was published in 1926. It filed its patents most often in Germany and Switzerland. Its main competitors in its focus markets civil engineering are OSADA TOYOHIRO, KISHIMOTO RYOZO and GANZHOV IVAN V.

Patent filings in countries

World map showing THEODOR KROMER G M B H SPEZIALs patent filings in countries
# Country Total Patents
#1 Germany 13
#2 Switzerland 1

Patent filings per year

Chart showing THEODOR KROMER G M B H SPEZIALs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

# Technology
#1 Locks

Top inventors

# Name Total Patents
#1 Sicherheitsschloesser Theodor 1

Latest patents

Publication Filing date Title
DE620053C Key for locks with protector tumblers
DE601191C Directional lock for a safe deposit box with adjustable tumblers
DE556294C Combination lock with rotating locking disks and a sliding shaft that adjusts them
DE548246C Door security, especially for safes and vaults
DE549928C Latch bolt lock
DE499892C Combination lock with rotating locking disks and a sliding shaft that adjusts them
DE515431C Guard lock for hotels with a common master key for all locks
DE595834C Stepped key with obliquely cut hollows that interact with the tumblers
DE495148C Latch bolt lock with plate-shaped, recessed tumblers that can be moved by double-bit keys
DE583961C Attachment of interchangeable locks for bank deposit boxes
DE508627C Combination lock with adjustment of the discs by means of a sliding knob
DE574228C Locking device for a cabinet with several drawers
DE615917C Safety catch for key