| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 5 | |
| #2 | United States | 2 | |
| #3 | Switzerland | 1 | |
| #4 | Germany | 1 | |
| #5 | France | 1 | |
| #6 | Netherlands | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Machines | |
| #3 | Telecommunications | |
| #4 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Cables and insulators | |
| #2 | Unspecified technologies | |
| #3 | Containers for goods storage | |
| #4 | Waveguides |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hoffen Hendrik Adriaan Marius | 2 |
| #2 | Kabelfabriek Naamlooze Vennoot | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE763970C | High voltage cable insulated with rubber, synthetic resin or some other homogeneous elastic insulating material | |
| GB393763A | High frequency electrical cable | |
| US2081517A | Conducting rubber and its application | |
| GB396891A | The manufacture of electrical conductors | |
| GB247088A | Improvements in packing cases | |
| GB248178A | Improvements in and relating to insulated conductors or cables |