| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 5 | |
| #2 | Canada | 3 | |
| #3 | United States | 3 | |
| #4 | Switzerland | 2 | |
| #5 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Textiles and paper |
| # | Technology | |
|---|---|---|
| #1 | Elevators and escalators | |
| #2 | Sewing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Tracy Harriet Ruth | 12 |
| #2 | Tracy Jeremiah-Evarts | 2 |
| #3 | Tracy Harriet-Ruth | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB190707175A | Improvements in Stitch Forming-mechanism for Sewing Machines. | |
| CA68255A | Sewing machine | |
| US634513A | Elevator. | |
| US635362A | Elevator. | |
| GB189902271A | Improvements in or relating to Sewing Machines. | |
| GB189901135A | Improvements in or relating to the Shuttles of Sewing Machines. | |
| GB189822946A | Improvements in Shuttles for Sewing Machines. | |
| GB189822947A | Improvements in or relating to Edge Stitching of Fabrics and Apparatus therefor. | |
| US630473A | Elevator. | |
| CA38570A | Elevator | |
| CA42983A | Sewing machine |