Learn more

GRAENGES ENG AB

Overview
  • Total Patents
    44
About

GRAENGES ENG AB has a total of 44 patent applications. Its first patent ever was published in 1963. It filed its patents most often in Sweden, United Kingdom and Germany. Its main competitors in its focus markets materials and metallurgy, thermal processes and surface technology and coating are GUANGDONG HONGTAI NANTONG PRECISION TECH CO LTD, AG INDUSTRIES INC and THYSSENKRUPP NIROSTA GMBH.

Patent filings in countries

World map showing GRAENGES ENG ABs patent filings in countries
# Country Total Patents
#1 Sweden 11
#2 United Kingdom 7
#3 Germany 4
#4 France 4
#5 Italy 4
#6 United States 4
#7 Spain 3
#8 Finland 3
#9 Brazil 2
#10 Belgium 1
#11 India 1

Patent filings per year

Chart showing GRAENGES ENG ABs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Stockinger W 4
#2 Erixson John 2
#3 Peterson Rune 2
#4 Johansson F 2
#5 Ljungstroemer L 2
#6 Erixon J 1
#7 Hamrin Bo Goeran 1
#8 Soederberg 1
#9 Lars Einar Ljungstromer 1
#10 Von Hofsten B E 1

Latest patents

Publication Filing date Title
US3981754A Method for heating sheet metal
GB1491379A Method of casting ingots in moulds and apparatus for carrying out the method
GB1474590A Casting ingots
GB1402780A Method of heating goods and a heating furnace
DE2309245A1 CONTINUOUS PROCEDURE FOR HEATING METALLIC MATERIAL IN AN OVEN
GB1377020A Method for heating sheet metal and a furnace for carrying out the method
DE2231827A1 Mercury recovery still - with water scrubber and tank condenser
US3865177A Method of bottom-casting ingots
GB1394905A Method and apparatus in the casting of ingots by bottom- pouring techniques
BE771288A Ingot - casting - in tiltable moulds and appts for tilting moulds and treating ingots
ES394236A3 Method of casting in gutters. (Machine-translation by Google Translate, not legally binding)
GB1356171A Method of casting ingots and a machine for carrying out the method