| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 8 | |
| #2 | France | 6 | |
| #3 | Germany | 4 | |
| #4 | Switzerland | 3 | |
| #5 | Denmark | 2 | |
| #6 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Furniture and games | |
| #3 | Materials and metallurgy | |
| #4 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Soldering, welding and flame cutting | |
| #2 | Kitchen equipment | |
| #3 | Punching metal | |
| #4 | Casting metal | |
| #5 | Containers for goods storage |
| # | Name | Total Patents |
|---|---|---|
| #1 | Guido Gnuechtel Allgemeine Deu | 3 |
| Publication | Filing date | Title |
|---|---|---|
| DE417502C | Device for autogenous welding of the longitudinal seam of hollow sheet metal bodies | |
| DE407993C | Process for the manufacture of vessels with support feet by welding | |
| DE328777C | Process for the production of hollow bodies from iron or steel sheet with autogenously welded seams | |
| GB191404738A | An Improved Method of Producing Aluminium Cooking Utensils. | |
| DE378234C | Hollow handle for cookware |