| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 6 | |
| #2 | Germany | 6 | |
| #3 | United Kingdom | 6 | |
| #4 | United States | 6 | |
| #5 | Sweden | 5 | |
| #6 | Japan | 4 | |
| #7 | Austria | 3 | |
| #8 | Finland | 3 | |
| #9 | France | 3 | |
| #10 | Norway | 3 | |
| #11 | South Africa | 3 | |
| #12 | Australia | 2 | |
| #13 | Netherlands | 2 | |
| #14 | Denmark | 1 | |
| #15 | Italy | 1 | |
| #16 | Poland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Chemical engineering | |
| #3 | Environmental technology | |
| #4 | Machines | |
| #5 | Textiles and paper |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kihlstedt Per G | 11 |
| #2 | Kihlstedt Per Gudmar | 9 |
| #3 | Haessler Hedvig Eivor Birgitta | 9 |
| #4 | Kihlstedt P G | 8 |
| #5 | Kihlstedt Per Gudmar Prof | 5 |
| #6 | Haessler Hedvig E B | 5 |
| #7 | Oedeen Kai | 4 |
| #8 | Hassler Hedvig E B | 3 |
| #9 | Hessler H E B | 2 |
| #10 | Kihlstedt P | 2 |
| Publication | Filing date | Title |
|---|---|---|
| ZA7803843B | A polymeric silicate material and a method of manufacturing the same | |
| DE2758205A1 | PROCESS FOR THE RECOVERY OF MAGNESIUM OXIDE FROM REFRACTORY MATERIAL | |
| FI771673A | Foerfarande foer rening av stoftbemaengd gas | |
| CA1077972A | Hydrothermally treated material containing olivine | |
| ZA7605032B | A method and an apparatus for steam curing agglomerates | |
| US3953563A | Method for producing high alumina refractory material | |
| CA941139A | Method for producing high alumina refractory material |