| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Packaging and shipping | |
| #3 | Machine tools | |
| #4 | Mechanical elements | |
| #5 | Engines, pumps and turbines | |
| #6 | Furniture and games | |
| #7 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Handling thin material | |
| #3 | Turning | |
| #4 | Pipes | |
| #5 | Fire-fighting | |
| #6 | Sawing | |
| #7 | Accessories for machine tools | |
| #8 | Pumps | |
| #9 | Household appliances |
| # | Name | Total Patents |
|---|---|---|
| #1 | Zierden Frank P | 16 |
| Publication | Filing date | Title |
|---|---|---|
| US3246382A | Adapter for seating carbide cutters | |
| US3179430A | Lathe chuck | |
| US3127802A | Lathe tool holder | |
| US2872246A | Hose reel mounting | |
| US2833183A | Tool head | |
| US2888217A | Hose reel | |
| US2905414A | Christmas tree stand | |
| US2568532A | Hose storage device | |
| US2339901A | Hose reel | |
| US2334141A | Hose reel | |
| US2300243A | Hose housing | |
| US2299521A | Hose reel | |
| US1988407A | Variable capacity pump | |
| CA413938A | Hose housing | |
| CA425412A | Hose reel | |
| CA598384A | Christmas tree stand |