| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 4 | |
| #2 | Switzerland | 2 | |
| #3 | Denmark | 2 | |
| #4 | Spain | 2 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Holte Halvor | 8 |
| #2 | William Agidius Elling Jens | 1 |
| #3 | Christiania Heger | 1 |
| #4 | Bjorn Heger | 1 |
| #5 | Halvor Holte | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA188332A | Lubrication system | |
| US1281572A | Lubrication of milk-centrifuges and the like. | |
| CA220924A | Lubricating device for milk centrifugal machines | |
| CA286935A | Pasteurizing apparatus | |
| CA232197A | Centrifugal friction coupling |