| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | Canada | 4 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Textiles and paper | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Lubricating | |
| #2 | Pipes | |
| #3 | Mechanical leather treatments | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hundemer Walter F | 6 |
| #2 | Hundemer Walter Frank | 2 |
| #3 | Philip Mackenzie | 2 |
| #4 | Shere Albert T | 1 |
| #5 | White Claude E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1774986A | Metallic hose | |
| US1859449A | Flexible metal hose | |
| US1619126A | Lubricating device | |
| US1696606A | Booster grease gun and method of greasing bearings | |
| US1637612A | High-pressure grease coupling | |
| US1738547A | Die for forming washers | |
| US1827432A | Flexible joint | |
| US1692423A | Grease gun | |
| CA279995A | Combination grease gun and booster pump | |
| CA270348A | Flexible conduit | |
| CA291407A | Grease gun | |
| CA269634A | Grease gun |