| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Machine tools | |
| #3 | Machines | |
| #4 | Engines, pumps and turbines | |
| #5 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Handling thin material | |
| #2 | Unspecified technologies | |
| #3 | Tools for connecting or disengaging | |
| #4 | Pumps | |
| #5 | Unspecified technologies | |
| #6 | Animal care | |
| #7 | Containers for goods storage | |
| #8 | Cutting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hudson David W | 13 |
| Publication | Filing date | Title |
|---|---|---|
| US2212267A | Tire chain tool | |
| US2238325A | Tire chain tool | |
| US2028330A | Ventilated and humidified storage receptacle | |
| US1869694A | Web folder | |
| US1984680A | Web cut-off mechanism | |
| US1909407A | Paper napkins and package thereof | |
| US1518428A | Paper-rolling machine | |
| US1484069A | Interfolding machine | |
| US1088281A | Collapsible paper-reel. | |
| US1041796A | Deep-well-pumping apparatus. | |
| CA248985A | Napkin dispensing device | |
| CA239819A | Paper perforating mechanism | |
| CA237561A | Interfolding machine |