| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Finland | 5 | |
| #2 | Spain | 3 | |
| #3 | Netherlands | 3 | |
| #4 | Austria | 2 | |
| #5 | Australia | 2 | |
| #6 | Brazil | 2 | |
| #7 | Canada | 2 | |
| #8 | Switzerland | 2 | |
| #9 | Germany | 2 | |
| #10 | Egypt | 2 | |
| #11 | France | 2 | |
| #12 | United Kingdom | 2 | |
| #13 | Italy | 2 | |
| #14 | Norway | 2 | |
| #15 | Sweden | 2 | |
| #16 | United States | 2 | |
| #17 | Yugoslavia (Serbia and Montenegro) | 2 | |
| #18 | Greece | 1 | |
| #19 | Ireland | 1 | |
| #20 | India | 1 | |
| #21 | New Zealand | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Furnaces | |
| #2 | Building materials |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kamstrup-Larsen Harry | 15 |
| #2 | Kamstrup Larsen H | 5 |
| #3 | Kampstrup-Larsen Harry | 4 |
| #4 | Larsen H K | 2 |
| #5 | Kamstrup Larsen Harry | 1 |
| #6 | Larsen Harry Kamstrup | 1 |
| #7 | Larsen H | 1 |
| #8 | Kamstrup-Larsen H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FI780876A | Rotary equipment for framstering av en expenditure | |
| ES463744A3 | Method of manufacturing rotary ovens. (Machine-translation by Google Translate, not legally binding) | |
| ES459973A3 | Improvements in rotary ovens. (Machine-translation by Google Translate, not legally binding) | |
| ES459972A3 | Improvements in rotary ovens. (Machine-translation by Google Translate, not legally binding) | |
| US4015929A | Rotary kiln for producing an expanded clay product and a method of manufacturing the rotary kiln | |
| IE41679L | A rotary kiln for producing a bloated clay product |