| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Denmark | 15 | |
| #2 | Sweden | 5 | |
| #3 | Austria | 3 | |
| #4 | Switzerland | 3 | |
| #5 | Spain | 3 | |
| #6 | Norway | 3 | |
| #7 | South Africa | 3 | |
| #8 | Belgium | 2 | |
| #9 | Canada | 2 | |
| #10 | Germany | 2 | |
| #11 | France | 2 | |
| #12 | United Kingdom | 2 | |
| #13 | Israel | 2 | |
| #14 | African Intellectual Property Organization | 2 | |
| #15 | United States | 2 | |
| #16 | Ireland | 1 | |
| #17 | Romania | 1 | |
| #18 | Turkey | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Materials and metallurgy | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Furnaces | |
| #2 | Building materials | |
| #3 | Shaping clay |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kamstrup Larsen H | 14 |
| #2 | Kamstrup-Larsen Harry | 7 |
| #3 | Kamstrup-Larsen H | 5 |
| #4 | Heins Ole | 1 |
| #5 | Dabelsteen Benny | 1 |
| #6 | Dk Harry Kamstrup-Larsen | 1 |
| #7 | Lecabeton A S Dansk | 1 |
| #8 | Harry Kampstrup-Larsen | 1 |
| #9 | Mstrup-Larsen H | 1 |
| #10 | Heins O | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DK205785D0 | Procedure for the preparation of an blowered, corned clay product and a root oven for exercising the procedure | |
| ES456139A1 | Procedure to produce a clay material. (Machine-translation by Google Translate, not legally binding) | |
| DK194876A | Wall mounting for surface walls | |
| OA03893A | Rotary furnace for the production of a swollen granular product. | |
| US3709474A | Rotary kiln for the production of a granular, bloated product | |
| ZA7100263B | A rotary kiln for the production of a granular bloated product | |
| ZA705398B | A method and a rotary kiln for producing a bloated clay product |