| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 7 | |
| #2 | Switzerland | 2 | |
| #3 | United States | 2 | |
| #4 | Austria | 1 | |
| #5 | France | 1 | |
| #6 | Italy | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Swimming pools | |
| #2 | Foundations and excavations | |
| #3 | Wing fittings | |
| #4 | Belts or cables for driving |
| # | Name | Total Patents |
|---|---|---|
| #1 | Echtler Sigmund | 10 |
| Publication | Filing date | Title |
|---|---|---|
| DE4413517A1 | Air-supported hangar | |
| DE3001089A1 | Air supported hangar structure cable sheath - has non-intersecting support cables linked to guide cables, forming sections | |
| DE2749760A1 | Air supported wing type air lock double doors - have wings linked so that they move opposite ways | |
| US4037373A | Earth anchor | |
| US3903659A | Air-supported pavilion | |
| DE2427234A1 | Clamp between ropes of different diameters - has insert fitting between shanks preventing squashing of thinner one | |
| DE2405238A1 | Air inflatable building ground anchor - has parts extendable through holes in shaft and lockable by internal wedge |