| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 6 | |
| #2 | United States | 3 | |
| #3 | Austria | 2 | |
| #4 | Switzerland | 2 | |
| #5 | Canada | 1 | |
| #6 | Denmark | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Transport | |
| #4 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Shafts | |
| #2 | Gearing | |
| #3 | Unspecified technologies | |
| #4 | Earth drilling | |
| #5 | Vehicle wheels | |
| #6 | Milling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rennerfelt Ture Gustaf | 13 |
| #2 | Ture Gustaf Rennerfelt | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US1269117A | Ball-bearing. | |
| GB191312810A | Improvements in or relating to Machines for Crushing Stones, Ore and the like. | |
| US1141581A | Stone-crushing machine. | |
| GB191209011A | Improvements in Ball-bearings. | |
| GB191222843A | Improvements in Ball Bearings. | |
| US1099571A | Ball-bearing. | |
| GB191122524A | Improvements in End Thrust Bearings. | |
| GB191122196A | Improvements relating to Reversing and other Friction Gearing. | |
| GB190309798A | Improvements in and relating to Centrifugal Separating Apparatus | |
| CA259131A | Self-locking nut |