| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Canada | 4 |
| # | Industry | |
|---|---|---|
| #1 | Control | |
| #2 | Furniture and games | |
| #3 | Measurement | |
| #4 | Packaging and shipping | |
| #5 | Machine tools | |
| #6 | Mechanical elements | |
| #7 | Consumer goods | |
| #8 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Books | |
| #2 | Hand-held cutting tools | |
| #3 | Kitchen equipment | |
| #4 | Time tables | |
| #5 | Teaching materials | |
| #6 | Safes | |
| #7 | Domestic washing | |
| #8 | Transport or storage devices | |
| #9 | Servomotors | |
| #10 | Electromechanical clocks |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hall William H | 14 |
| #2 | Hall Louis H | 1 |
| #3 | Hall Edward C | 1 |
| #4 | Hall Jon D | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3348656A | Conveyor apparatus | |
| US2121228A | Safety razor | |
| US2102413A | Analemmic tellurian globe | |
| US1072943A | Suction device. | |
| US1077603A | Vacuum carpet-cleaner. | |
| US1015176A | Pot-handle. | |
| CA120848A | Calendar | |
| CA120849A | Calendar frame and cards | |
| US909291A | Calendar frame and card. | |
| US909290A | Calendar. | |
| US816724A | Fireproof safe and process of filling the walls of the same. | |
| US687479A | Electric-winding clock. | |
| CA25342A | Stump extractor and tree carrier | |
| CA16839A | Improvements on horse rakes |