| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 | |
| #2 | France | 2 | |
| #3 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Transport | |
| #3 | Machines | |
| #4 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Alloys | |
| #2 | Rail vehicle suspensions | |
| #3 | Unspecified technologies | |
| #4 | Grinding or polishing devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Jay Shoemaker Robert | 8 |
| #2 | Ripley Charles T | 3 |
| #3 | Trescott Ripley Charles | 1 |
| #4 | Shoemaker Robert J | 1 |
| #5 | Armstrong John L | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB433653A | Improvement in lead alloy bearing metal | |
| GB374005A | Improvements in the method of compounding a lead alloy and product thereof | |
| US1916496A | Method of making lead alloys | |
| US1815528A | Lead alloy | |
| US1813324A | Lead alloy | |
| US1808793A | Bearing metal | |
| US1791148A | Lead alloy | |
| US1703212A | Antifriction metal | |
| US1745721A | Bearing metal | |
| US1745720A | Bearing metal and method of making same | |
| US1788494A | Journal-box dust guard | |
| US1717469A | Bearing metal and method of making same | |
| US1684146A | Railway journal bearing | |
| US1717345A | Car-wheel grinder | |
| US1662901A | Journal bearing |