| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 6 | |
| #2 | Argentina | 1 | |
| #3 | Austria | 1 | |
| #4 | Australia | 1 | |
| #5 | Belgium | 1 | |
| #6 | Brazil | 1 | |
| #7 | Canada | 1 | |
| #8 | German Democratic Republic | 1 | |
| #9 | Denmark | 1 | |
| #10 | Spain | 1 | |
| #11 | Finland | 1 | |
| #12 | France | 1 | |
| #13 | United Kingdom | 1 | |
| #14 | Ireland | 1 | |
| #15 | India | 1 | |
| #16 | Italy | 1 | |
| #17 | Luxembourg | 1 | |
| #18 | Mexico | 1 | |
| #19 | Netherlands | 1 | |
| #20 | Norway | 1 | |
| #21 | Poland | 1 | |
| #22 | Portugal | 1 | |
| #23 | Sweden | 1 | |
| #24 | Yugoslavia (Serbia and Montenegro) | 1 | |
| #25 | South Africa | 1 | |
| #26 | Zimbabwe | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Basic materials chemistry |
| # | Technology | |
|---|---|---|
| #1 | Non-metallic elements | |
| #2 | Metal production and refining | |
| #3 | Alloys | |
| #4 | Gas, coke and tar production | |
| #5 | Fuels |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lask Gert-Wilhelm | 9 |
| #2 | Lask Gert-Wilhelm Dipl Chem Dr | 5 |
| #3 | Lask G | 3 |
| #4 | Lask G W | 2 |
| #5 | Lask G-W | 1 |
| #6 | Lask Gert Wilhelm | 1 |
| #7 | Lask Gert W | 1 |
| #8 | Lask Gert W Dipl Chem Dr Rer N | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3032720A1 | METHOD FOR PRODUCING SILICON FROM QUARTZ AND CARBON IN THE ELECTRIC OVEN | |
| DE3023297A1 | METHOD FOR PRODUCING A PRE-PRODUCT FOR THE PRODUCTION OF SILICON CARBIDE | |
| DE3009808A1 | METHOD FOR PRODUCING RAW MATERIALS WITH SILICON AND CARBON AND USE OF THE RAW MATERIALS | |
| DE3009834A1 | Addn. of surface-active solids to hydrocarbon coking feeds - increases yield and reduces fissuring tendency of coke | |
| DE2929700A1 | Coke oven charge compacting - using press box with bottom lowered by rays and top press rams above side filler hole | |
| DE2929720A1 | METHOD FOR COAL PREPARATION OF COAL |