| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 5 | |
| #2 | United States | 4 | |
| #3 | United Kingdom | 2 | |
| #4 | Israel | 2 | |
| #5 | South Africa | 2 | |
| #6 | Australia | 1 | |
| #7 | Denmark | 1 | |
| #8 | Ireland | 1 | |
| #9 | Italy | 1 | |
| #10 | Norway | 1 |
| # | Technology | |
|---|---|---|
| #1 | Producing goods from plastic | |
| #2 | Unspecified technologies | |
| #3 | Shaping of plastics | |
| #4 | Vehicle tyre repairing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schelkmann W | 13 |
| #2 | Schelkamnn Wilhelm | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1428198A | Method of retreading a tyre | |
| US3856601A | Method of retreading vehicle tires | |
| US3837385A | Envelope closure | |
| US3793116A | Recapping of tires | |
| ZA7007386B | Envelope closure | |
| GB1319975A | Vulcanisation method | |
| IE33895B1 | Vulcanisation process | |
| IL28760A | Tread bands for tyres | |
| IL21797A | A method and apparatus for vulcanizing prevulcanized tread bands on tyre carcasses |