| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 27 | |
| #2 | Germany | 1 | |
| #3 | France | 1 | |
| #4 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Packaging and shipping | |
| #4 | Thermal processes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Baumberger William J | 20 |
| #2 | Yerk Henry H | 13 |
| #3 | Joseph Harry F | 3 |
| #4 | Kottman Arthur A | 1 |
| #5 | Jerome Horace M | 1 |
| #6 | Palmer William C | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1860796A | Grinding machine | |
| US1860795A | Grinding machine | |
| US1828384A | Grinding machine | |
| US1756908A | Grinding machine | |
| US1860794A | Axle grinder | |
| US1730551A | Grinding machine | |
| US1728653A | Grinding machine | |
| US1780288A | Grinding machine | |
| US1682472A | Work-adjusting means | |
| US1682412A | Method and apparatus for radius grinding | |
| US1730838A | Grinding machine | |
| US1766161A | Grinding machine | |
| US1658826A | Work-supporting fixture | |
| GB238249A | Improvements in or relating to grinding or abrading machines | |
| US1682471A | Work support | |
| US1662024A | Work support | |
| US1682456A | Work support | |
| US1799491A | Grinding machine | |
| US1594140A | Collapsible box | |
| US1623609A | Collapsible box |