| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 43 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Machine tools | |
| #3 | Consumer goods | |
| #4 | Engines, pumps and turbines | |
| #5 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Sawing | |
| #3 | Unspecified technologies | |
| #4 | Punching metal | |
| #5 | Special musical instruments | |
| #6 | Hand-held cutting tools | |
| #7 | Cutting | |
| #8 | Pumps | |
| #9 | Casting metal | |
| #10 | Veneer production |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gray Charles B | 46 |
| #2 | Teter William E | 1 |
| #3 | Sanderson James F | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2631370A | Hand-held motor-driven shear | |
| US2612052A | Mechanical movement | |
| US2542810A | Cutting machine drive | |
| US2540328A | Variable flow pump | |
| US2535631A | Sheet metal cutting tool | |
| US2416171A | Pump | |
| US2278311A | Sheet metal nibbling tool | |
| US2278174A | Sheet metal nibbling tool | |
| US2242782A | Nibbling machine | |
| US2226241A | Metal shearing tool | |
| US2227081A | Metal cutting apparatus | |
| US2064796A | Tool for metal cutting machines | |
| US2088202A | Metal cutting machine | |
| US2049770A | Musical instrument string | |
| US2019781A | Cutting machine | |
| US2049769A | Musical instrument string | |
| US1977795A | Cutting machine | |
| US1883713A | Tool holder | |
| US1903234A | Cutting machine | |
| US1874038A | Cutting machine |