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DIANAWERK MAYER & GRAMMELSPACH

Overview
  • Total Patents
    14
About

DIANAWERK MAYER & GRAMMELSPACH has a total of 14 patent applications. Its first patent ever was published in 1931. It filed its patents most often in Germany and United States. Its main competitors in its focus markets weapons are MARUZEN CO LTD, TSURUMOTO KOICHI and HU SHIH-CHE.

Patent filings in countries

World map showing DIANAWERK MAYER & GRAMMELSPACHs patent filings in countries
# Country Total Patents
#1 Germany 13
#2 United States 1

Patent filings per year

Chart showing DIANAWERK MAYER & GRAMMELSPACHs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Weapons

Top inventors

# Name Total Patents
#1 Giss Kurt 5
#2 Mayer Ludwig 4
#3 Kurt Giss 1

Latest patents

Publication Filing date Title
DE2113313A1 Trigger device for sport weapons
DE1933649B1 Round ball filling device for a ball magazine on an air rifle
US2938513A Air gun
DE944773C Fixed barrel air rifle
DE952874C Spring pneumatic weapon with counter-rotating air pistons
DE1010421B Aiming device for rifles
DE900427C Air pressure weapon with barrel locking of the air piston
DE714832C Trigger device for air guns
DE709520C Trigger device for air guns with a spring-loaded striking piece
DE704209C Air pistol
DE668547C Trigger device for air guns
DE653566C Trigger safety for air rifles
DE574329C Air pistol with break barrel
DE551830C air force