| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 61 | |
| #2 | Canada | 9 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Thermal processes | |
| #3 | Machines | |
| #4 | Optics | |
| #5 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Railway bodies | |
| #2 | Rail vehicle suspensions | |
| #3 | Railway brakes | |
| #4 | Couplings | |
| #5 | Unspecified technologies | |
| #6 | Steam generation | |
| #7 | Railway equipment | |
| #8 | Cameras | |
| #9 | Cleaning heat-exchanger internal surfaces | |
| #10 | Casting metal |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kadel Byers W | 70 |
| #2 | Pilcher John A | 7 |
| #3 | Barrows Donald S | 6 |
| #4 | Coddington Harry W | 3 |
| #5 | Reynolds H Wallace | 1 |
| #6 | Kadel George B | 1 |
| #7 | Persinger Robert H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2241462A | Photographic printing machine | |
| US1803474A | Car-door mechanism | |
| US1727886A | Truck for railway rolling stock | |
| US1711568A | Car truck | |
| US1681669A | Car-door-locking mechanism | |
| US1867268A | Hand brake for railway cars | |
| US1630574A | Car truck | |
| US1630573A | Car truck | |
| US1630571A | Car truck | |
| US1630572A | Car truck | |
| US1630570A | Car truck | |
| US1630568A | Car truck | |
| US1660968A | Side frame | |
| US1634366A | Draft rigging | |
| US1733736A | Car-door mechanism | |
| US1831305A | Car door mechanism | |
| US1710624A | Side frame | |
| US1686239A | Car-door mechanism | |
| US1796933A | Hopper-car doorlock | |
| US1603083A | Car-door mechanism |