| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 14 | |
| #2 | Canada | 4 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Control | |
| #3 | Civil engineering | |
| #4 | Weapons |
| # | Technology | |
|---|---|---|
| #1 | Typewriters | |
| #2 | Indexing scheme relating to hinges | |
| #3 | Cryptography | |
| #4 | Mountings for cannons and pistols | |
| #5 | Ticket-issuing devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Blickensderfer George C | 18 |
| #2 | Smith Harvey | 1 |
| #3 | Mapes Stephen S | 1 |
| #4 | Blickensderfer William J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1290828A | Attachment for automatic guns. | |
| US1014997A | Speed-controlling mechanism for revolving doors. | |
| US1116553A | Tabulator mechanism. | |
| US956879A | Type-writing machine. | |
| US864602A | Type-writing machine. | |
| US930136A | Tabulator mechanism. | |
| US864505A | Type-writing machine. | |
| US864601A | Carriage feeding and controlling device. | |
| US802734A | Type-writing machine. | |
| US717732A | Type-writing machine. | |
| CA73330A | Typewriting machine | |
| CA73331A | Typewriter machine | |
| CA73332A | Typewriter machine | |
| US656086A | Type-writer. | |
| US656085A | Type-writing machine. | |
| US666176A | Type-writing machine. | |
| US972152A | Type-writing machine. | |
| CA21342A | Conveyor apparatus |