| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 3 | |
| #2 | Germany | 2 | |
| #3 | Belgium | 1 | |
| #4 | Denmark | 1 | |
| #5 | France | 1 | |
| #6 | Italy | 1 | |
| #7 | Japan | 1 | |
| #8 | Netherlands | 1 | |
| #9 | Norway | 1 | |
| #10 | Sweden | 1 | |
| #11 | United States | 1 | |
| #12 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Measurement | |
| #3 | Organic fine chemistry | |
| #4 | Thermal processes | |
| #5 | Transport | |
| #6 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Lighting device details | |
| #2 | Measuring distances | |
| #3 | Fire-fighting | |
| #4 | Ships | |
| #5 | Acyclic or carbocyclic compounds | |
| #6 | Fluid heaters |
| # | Name | Total Patents |
|---|---|---|
| #1 | Boyd D | 3 |
| #2 | Boyd Douglas | 3 |
| #3 | Bayd Douglas | 2 |
| #4 | Brown George James | 2 |
| #5 | Dagurasu Boido | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ZA7806698B | Flameproof,weatherproof enclosures for electrical equipment | |
| GB2019718A | Enclosures for electrical equipment | |
| DE1623398A1 | TRIM INDICATOR FOR SHIPS | |
| US3548400A | Ship's trim indicator | |
| GB1104114A | Ship's trim indicator | |
| GB1097820A | Improvements in or relating to thermal storage space heaters |