| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 18 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Thermal processes | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Punching metal | |
| #2 | Unspecified technologies | |
| #3 | Grinding or polishing devices | |
| #4 | Sawing | |
| #5 | Pistons and sealings | |
| #6 | Cleaning heat-exchanger internal surfaces | |
| #7 | Turning |
| # | Name | Total Patents |
|---|---|---|
| #1 | Maupin Graves R | 17 |
| #2 | Faessler John W | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1951833A | Method of expanding tubes | |
| US1837624A | Hole rolling tool | |
| US1747723A | Tube expander and flarer | |
| US1747376A | Tube expander and flarer | |
| US1728499A | Method of securing bushings and tool therefor | |
| US1680798A | Flaring expander | |
| US1699003A | Apparatus for finishing aligned cylindrical bearing surfaces | |
| US1677837A | Aligning device | |
| US1619479A | Method of and apparatus for finishing cylindrical bearing surfaces | |
| US1507846A | Tube expander | |
| US1514712A | Traveling tube expander | |
| US1521641A | Method of and apparatus for removing scale and expanding boiler flues | |
| US1443799A | Flue cutter | |
| US1439570A | Boiler tool | |
| US1439569A | Boiler tool | |
| US1439622A | Boiler tool | |
| US1439568A | Combination boiler tool | |
| US1439567A | Reamer |