| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 23 | |
| #2 | Canada | 5 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Materials and metallurgy | |
| #5 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Rail vehicle suspensions | |
| #2 | Unspecified technologies | |
| #3 | Couplings | |
| #4 | Shafts | |
| #5 | Reduction of greenhouse gas emissions | |
| #6 | Nails | |
| #7 | Non-metallic elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lipschutz Arthur | 28 |
| #2 | Wolff Herbert William | 1 |
| #3 | Toltz Maz | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US861869A | Car-coupling. | |
| US851361A | Freight-car truck. | |
| US883143A | Car-truck side frame. | |
| US852392A | Bolster. | |
| US852391A | Bolster. | |
| US861742A | Friction draft-gear. | |
| US852968A | Side frame for car-trucks. | |
| US883465A | Car-truck side frame. | |
| US860925A | Cast-steel side frame for car-trucks. | |
| CA96757A | Freight and dump car | |
| CA96758A | Freight and dump car | |
| US845800A | Journal-box lid. | |
| US813504A | Journal-box lid. | |
| US809708A | Journal-bearing. | |
| US802518A | Pin for brake-rod jaws or the like. | |
| CA91770A | Dump car | |
| US768879A | Brake-jaw for car brake-rods. | |
| CA85546A | Freight and dump car | |
| CA83371A | Truck and body bolster | |
| US738214A | Truck and body bolster. |