| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 4 | |
| #2 | Australia | 3 | |
| #3 | Norway | 2 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | New Zealand | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Sewers | |
| #2 | Roof coverings | |
| #3 | Foundations and excavations | |
| #4 | Finishing work on buildings | |
| #5 | Hand-held cutting tools | |
| #6 | Domestic plumbing installations |
| # | Name | Total Patents |
|---|---|---|
| #1 | Spanberg S | 4 |
| #2 | Spanberg Sven | 3 |
| #3 | Spanberg Bengt | 2 |
| #4 | Andersson Leif Eskil | 1 |
| #5 | Spangberg Lars | 1 |
| #6 | Spanberg Lars | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU2004240211A1 | Pipe piece of elastic material | |
| US5249398A | Cesspool | |
| NZ232180A | Externally expanding floor covering clamping ring | |
| AU4057089A | Clamping ring | |
| SE456593B | Device for producing hole in wet chamber mat |