| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 14 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Turning | |
| #3 | Accessories for machine tools | |
| #4 | Unspecified technologies | |
| #5 | Thread cutting | |
| #6 | Sawing | |
| #7 | Transport or storage devices | |
| #8 | Grinding or polishing devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hibbard Robert L | 10 |
| #2 | Junkin Hays M | 3 |
| #3 | Hibbard Stewart C | 3 |
| #4 | Hibbard Jr Robert L | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US2459075A | Pipe cutoff machine | |
| US2576114A | Machine tool work holder | |
| US2405141A | Conveyer table | |
| US2365820A | Machine tool | |
| US2303300A | Method and apparatus for shaping stock | |
| US2135508A | Cylinder boring machine | |
| US2112240A | Self-centering device | |
| US2145875A | Chuck | |
| US2063741A | Self-centering device | |
| US1967508A | Machine for threading couplings | |
| US1967507A | Self-centering chuck | |
| US1861498A | Boring head | |
| US1844577A | Chuck | |
| US1788193A | Machine tool |