| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 25 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Machine tools | |
| #5 | Civil engineering | |
| #6 | Packaging and shipping | |
| #7 | Engines, pumps and turbines | |
| #8 | Thermal processes | |
| #9 | Transport |
| # | Name | Total Patents |
|---|---|---|
| #1 | Farwell Fay O | 8 |
| #2 | Spensley William J | 5 |
| #3 | Meyer John B | 5 |
| #4 | Demkier Lester A | 2 |
| #5 | Eugene Adams | 2 |
| #6 | Day Ronald H | 1 |
| #7 | Groff Earl J | 1 |
| #8 | Zilka Thomas J | 1 |
| #9 | Hostetter Kenneth O | 1 |
| #10 | Meyers Donald L | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3338266A | Inflation inciter | |
| US2393200A | Foundry flask | |
| US2313496A | Fireplace screen | |
| US2272868A | Molding machine | |
| US2245931A | Grate | |
| US2228856A | Snap flask | |
| US2144859A | Slip flask | |
| US2124639A | Foundry jacket | |
| US2066547A | Foundry slip flask | |
| US2055548A | Slip jacket | |
| US1956649A | Window | |
| US1917507A | Change speed gear box | |
| US1888999A | Dome damper | |
| US1658456A | Bottom board for foundry flasks | |
| US1702989A | Hinge | |
| US1601055A | Casement window | |
| US965575A | Work-holding mechanism for metal-working machines. | |
| US958243A | Milling-machine. | |
| US816083A | Current-controller for igniting devices for hydrocarbon-engines. | |
| US792253A | Lubricator. |