| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 6 | |
| #2 | United Kingdom | 4 | |
| #3 | France | 3 | |
| #4 | Austria | 2 | |
| #5 | Belgium | 1 | |
| #6 | Germany | 1 | |
| #7 | Denmark | 1 | |
| #8 | Spain | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Basic materials chemistry | |
| #3 | Optics | |
| #4 | Engines, pumps and turbines | |
| #5 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Charles H Clapham | 2 |
| #2 | David Llewellyn Prosser | 2 |
| #3 | Charles Hubert Wright | 2 |
| #4 | John George Machutchin | 2 |
| #5 | Schwerin Andre Kurt | 1 |
| #6 | Alfred James Watson | 1 |
| #7 | Hays Frederick Rood | 1 |
| #8 | Ivor W Allam | 1 |
| #9 | John G Mac Hutchin | 1 |
| #10 | Donald B Cowan | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1111927A | Self-lighting apparatus | |
| ES272771A1 | Ion generator comprising a shielded radioactive source and means for forcing air past the radioactive source | |
| GB906150A | Improvements in or relating to photographic printing methods and apparatus |