| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Germany | 1 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Packaging and shipping | |
| #3 | Control | |
| #4 | Machine tools | |
| #5 | Textiles and paper | |
| #6 | Machines | |
| #7 | Furniture and games | |
| #8 | Consumer goods | |
| #9 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Textile treatments | |
| #2 | Safes | |
| #3 | Sound-producing devices | |
| #4 | Alarm systems | |
| #5 | Forging | |
| #6 | Lifting and pushing | |
| #7 | Unspecified technologies | |
| #8 | Apparatus for bronze printing | |
| #9 | Special furniture | |
| #10 | Handling thin material |
| # | Name | Total Patents |
|---|---|---|
| #1 | Frank Davis | 9 |
| #2 | Anton Grothus | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1804677A | Protective structure for cashier and teller windows | |
| US1797464A | Bobbin board | |
| US1729247A | Riveting machine | |
| GB273207A | Improvements relating to dyeing machines | |
| US1635985A | Noise-making alarm | |
| US1555637A | Vehicle lifter | |
| US1657459A | Circuit closer for electric alarms | |
| US1622771A | Show case | |
| US1333471A | Ruling-machine |