| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 17 | |
| #2 | Germany | 1 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Civil engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Weinland Hermon G | 8 |
| #2 | Vance George E | 5 |
| #3 | Wilson John C | 1 |
| #4 | Vance Edward D | 1 |
| #5 | Goering William A | 1 |
| #6 | Clark Oliver A | 1 |
| #7 | Lanyon Howard W | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2259554A | Abrasive wheel | |
| US2130823A | Grinding machine | |
| US1926471A | Grinding machine | |
| US1926472A | Grinding machine | |
| US1962302A | Grinding machine | |
| US1958709A | Grinding machine | |
| US1928145A | Grinding machine | |
| US1926470A | Grinding machine | |
| US1862813A | Apparatus for applying bushings | |
| US1868931A | Process for making abrasive articles | |
| US1944380A | Method of and means for bushing openings | |
| US1932260A | Grinding machine | |
| US1884438A | Spark arrester | |
| US1826907A | Grinding wheel | |
| US1833667A | Machine for trimming abrasive wheels | |
| DE513780C | Mechanism for maintaining the peripheral speed of rotating grinding wheels as they wear out | |
| GB293751A | Improvements in grinding or abrading machines | |
| US1761852A | Sectional ring grinder | |
| US1694340A | Grinding machine |