| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 2 | |
| #2 | Denmark | 2 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | China | 1 | |
| #5 | Czechia | 1 | |
| #6 | German Democratic Republic | 1 | |
| #7 | EPO (European Patent Office) | 1 | |
| #8 | Finland | 1 | |
| #9 | Greece | 1 | |
| #10 | Hungary | 1 | |
| #11 | Ireland | 1 | |
| #12 | India | 1 | |
| #13 | Mexico | 1 | |
| #14 | Norway | 1 | |
| #15 | New Zealand | 1 | |
| #16 | United States | 1 | |
| #17 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Materials and metallurgy | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Building materials | |
| #2 | Unspecified technologies | |
| #3 | Shaping clay | |
| #4 | Pipes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Larsen Leif Holbaum Aarsleff | 14 |
| #2 | Larsen Leif H A | 2 |
| #3 | Larsen L H A | 1 |
| #4 | Leif Holbaum Aarsleff Larsen | 1 |
| #5 | Larsen Leif Holbaum Aarleff | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DK243490D0 | Procedure for the preparation of a priority of sulfur concrete | |
| IE900566L | Acid resistant concrete pipes made from sulphur cement | |
| DK117589D0 | Procedure for the preparation of acid resistant sulfur concrete pipes. |