| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 18 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Measurement | |
| #3 | Control | |
| #4 | Packaging and shipping | |
| #5 | Optics | |
| #6 | Chemical engineering | |
| #7 | Mechanical elements | |
| #8 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Spraying devices | |
| #2 | Analysing materials | |
| #3 | Handling thin material | |
| #4 | Money sorting | |
| #5 | Unspecified technologies | |
| #6 | Spectacles | |
| #7 | Live-saving devices | |
| #8 | Unspecified technologies | |
| #9 | Textile treatments | |
| #10 | Servomotors |
| # | Name | Total Patents |
|---|---|---|
| #1 | Laurence Burdick Charles | 18 |
| #2 | Dominick Whiteman John | 1 |
| #3 | John Perrin | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2406190A | Apparatus for improving the effective use of eyesight and preventing strain on the eyes | |
| US2105683A | Apparatus for determining the moisture content of substances | |
| US1932012A | Hygrometric apparatus | |
| US1824073A | Paper folding machine | |
| US1843020A | Paper folding machine | |
| US1728100A | Process for producing decorative effects | |
| US1748440A | Spraying apparatus | |
| US1624827A | Liquid-forcing apparatus | |
| US1695170A | Respirator | |
| US1628576A | Coin-wrapping machine | |
| US1629144A | Spraying apparatus | |
| US1513486A | Wage-paying machine | |
| US1571105A | Paper-folding machine | |
| US1603902A | Pneumatic spraying apparatus | |
| US1484870A | Coin counting and packeting machine |