WALTER & BERGES MASCHINENFABRI has a total of 13 patent applications. Its first patent ever was published in 1917. It filed its patents most often in Germany, United Kingdom and France. Its main competitors in its focus markets mechanical elements, packaging and shipping and machine tools are XUZHOU KEYUAN HYDRAULIC CO LTD, KOLUNGEN AB and TSUBAKIMOTO SEIKOU KK.
# | Country | Total Patents | |
---|---|---|---|
#1 | Germany | 8 | |
#2 | United Kingdom | 3 | |
#3 | France | 2 |
# | Industry | |
---|---|---|
#1 | Mechanical elements | |
#2 | Packaging and shipping | |
#3 | Machine tools | |
#4 | Engines, pumps and turbines |
# | Technology | |
---|---|---|
#1 | Shafts | |
#2 | Gearing | |
#3 | Steam engine plants | |
#4 | Making screws | |
#5 | Clutches and brakes | |
#6 | Elevators and escalators |
# | Name | Total Patents |
---|---|---|
#1 | Berges Karl | 4 |
Publication | Filing date | Title |
---|---|---|
DE395869C | Ball thrust bearing | |
DE420232C | Thread rolling machine with two thread rolls | |
GB166109A | Improvements in and connected with hydraulically operated change speed or change speed and reversing gearing | |
GB160164A | Fluid operated transmission devices | |
DE397051C | Conveyor basket catcher | |
GB179968A | A cage for roller bearings | |
DE331263C | Roller basket | |
DE354989C | Fluid change gear with rotating, double-acting pistons | |
DE354387C | Fluid transmission | |
DE331648C | Combustion turbine with steam generation by the combustion heat | |
DE369084C | Process for the production of roller cages |