ALOIS HELFENSTEIN DR has a total of 11 patent applications. Its first patent ever was published in 1917. It filed its patents most often in Germany, Switzerland and Austria. Its main competitors in its focus markets thermal processes, materials and metallurgy and environmental technology are FUCHS SYSTEMTECHNIK GMBH, PROCESS TECHNOLOGY INTERNATION and FUCHS TECHNOLOGY HOLDING AG.
| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 7 | |
| #2 | Switzerland | 3 | |
| #3 | Austria | 1 |
| # | Name | Total Patents |
|---|---|---|
| #1 | Alois Helfenstein Dr | 3 |
| Publication | Filing date | Title |
|---|---|---|
| DE356424C | Electric oven with gas extraction | |
| DE356426C | Electric oven with gas extraction | |
| DE356425C | Electric oven with gas extraction |