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ACRO AG

Overview
  • Total Patents
    138
About

ACRO AG has a total of 138 patent applications. Its first patent ever was published in 1922. It filed its patents most often in Germany, Switzerland and Austria. Its main competitors in its focus markets engines, pumps and turbines, environmental technology and chemical engineering are ACRO AKT GES, GREENHOUGH JOHN HEATH and BIMOTA SPA.

Patent filings in countries

World map showing ACRO AGs patent filings in countries
# Country Total Patents
#1 Germany 28
#2 Switzerland 22
#3 Austria 20
#4 United Kingdom 20
#5 France 17
#6 United States 16
#7 Canada 7
#8 Spain 4
#9 Finland 4

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Franz Lang 17
#2 Acro A-G 13
#3 Baur Ottmar 3
#4 Lang Franz 3
#5 Ottmar Baur 2
#6 G Acro A 2
#7 Lorenz Karl 2
#8 Franz Lanz 1
#9 Laib Karl Joseph 1
#10 Daiber Ernest 1

Latest patents

Publication Filing date Title
GB349188A Improvements in the pistons of oil engines
ES117276A1 Plunger for oil engines.
GB307745A Improvements relating to the compression chambers of the cylinders of self-ignition oil engines
US1901838A Piston for internal combustion engines
US1832758A Internal combustion engine
GB299771A Improvements relating to means for injecting liquid fuel into the cylinders of self-ignition oil engines
GB307736A Improvements relating to the compression chambers of the cylinders of self-ignition oil engines
GB315377A Improvements relating to the compression chambers of selfignition oil engines
ES105484A1 Internal combustion engine.
GB285469A Improvements in or relating to internal combustion engines
US1759163A Oil engine with fuel injection
GB282824A Improvements relating to the starting of internal combustion engines having liquid fuel injection
GB272185A Improvements in internal combustion engines having liquid fuel injection
GB270673A Improvements in or relating to internal combustion engines
US1759162A Oil motor
GB266319A Improvements in internal combustion engines
DE520783C Injection internal combustion engine, the compression chamber of which is divided into the cylinder chamber and at least one chamber that acts as an air reservoir
DE463154C Cleaning device for separating solid, liquid and gaseous impurities from the fuel oil used to feed injection engines
US1732901A Oil motor
US1803262A Self-igniting oil motor