| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 18 | |
| #2 | United Kingdom | 4 | |
| #3 | Canada | 3 | |
| #4 | Austria | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements | |
| #3 | Textiles and paper | |
| #4 | Machines | |
| #5 | Transport | |
| #6 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Machines for making railways | |
| #2 | Nails | |
| #3 | Vehicle wheels | |
| #4 | Spinning | |
| #5 | Unspecified technologies | |
| #6 | Handling thin material | |
| #7 | Swimming pools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Blessing Louis | 26 |
| #2 | Johns Alfred | 4 |
| Publication | Filing date | Title |
|---|---|---|
| US1122573A | Rail and shim clamp. | |
| US1094518A | Rail-clamp. | |
| US1094516A | Rail-clamp. | |
| US1094517A | Railway-tie. | |
| US1094515A | Rail-joint. | |
| CA149415A | Rail joint | |
| GB191225112A | Improvements relating to Composite Sleepers. | |
| GB191225111A | Improvements in Railway Rail Joints. | |
| US1053351A | Rail-joint. | |
| US1053350A | Stamp-canceling machine. | |
| US1071291A | Railway-tie. | |
| US974347A | Spring-wheel. | |
| GB190910530A | Improvements in Nut Locks. | |
| US975115A | Nut-lock. | |
| US940231A | Wire-twisting machine. | |
| US963742A | Spring-wheel. | |
| CA112180A | Nut lock | |
| CA109574A | Railway tie | |
| GB190726745A | Improvements in Railway Ties. | |
| US919309A | Wire-twisting machine. |