| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Grinding or polishing devices | |
| #2 | Unspecified technologies | |
| #3 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Woodbury Stephen E | 8 |
| #2 | Perkins Walter W | 1 |
| #3 | Scriven Jr Albert K | 1 |
| #4 | Fergnani Walter Paul | 1 |
| #5 | Woodbury Jr Stephen E | 1 |
| #6 | Jr Albert Kay Scriven | 1 |
| #7 | Farmer James W | 1 |
| #8 | Ellsworth Annis | 1 |
| #9 | Fergnani Walter P | 1 |
| #10 | Farmer James Woodruff | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB815165A | Machine tool | |
| US2859564A | Machine tool | |
| US2416861A | Table reversing mechanism for grinding machines | |
| US2437986A | Cross-feed mechanism | |
| US2420024A | Grinding machine | |
| GB592812A | Improvements in or relating to spindle units for high speed machinery | |
| US2403160A | Grinding machine | |
| US2390978A | Grinding machine | |
| US2345958A | Exhaust hood | |
| US2370701A | Grinding machine | |
| US2340096A | Grinding machine | |
| US2373336A | Grinding machine |