| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | United Kingdom | 3 | |
| #3 | Canada | 2 | |
| #4 | Switzerland | 2 | |
| #5 | France | 2 | |
| #6 | United States | 2 | |
| #7 | Denmark | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Springs | |
| #2 | Machines for making railways |
| # | Name | Total Patents |
|---|---|---|
| #1 | Svenska Spiralfabriken Aktiebo | 2 |
| #2 | Samuel Fries Joel | 1 |
| #3 | Oskar Gylling Ake | 1 |
| #4 | Gylling Ake Oskar | 1 |
| #5 | Fries Joel Samuel | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB365985A | Improvements in laminated springs | |
| US1813617A | Laminated spring | |
| GB289835A | Improvement in laminated supporting springs | |
| CA291149A | Laminated spring | |
| CA297582A | Laminated spring |