| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 8 | |
| #2 | Denmark | 4 | |
| #3 | Germany | 2 | |
| #4 | Canada | 1 | |
| #5 | Spain | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | General building constructions | |
| #2 | Structural elements | |
| #3 | Unspecified technologies | |
| #4 | Swimming pools | |
| #5 | Shafts | |
| #6 | Gearing | |
| #7 | Roof coverings | |
| #8 | Machines | |
| #9 | Pumps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Alexandre Horowitz | 8 |
| #2 | Horowitz Alexandre | 7 |
| #3 | Koekebakker Hendrik | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA439362A | Control apparatus for signalling apparatus |