| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 141 | |
| #2 | Canada | 42 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Machine tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Burton Thomas L | 38 |
| #2 | Mueller Emil G | 34 |
| #3 | Schwentler Francis E | 23 |
| #4 | Wahlert Henry A | 14 |
| #5 | Mcgowan Thomas R | 12 |
| #6 | Stambaugh Francis M | 10 |
| #7 | Crossman Theodore C | 9 |
| #8 | Redford John E | 9 |
| #9 | Gantner William A | 6 |
| #10 | Williamson Frederick G | 5 |
| Publication | Filing date | Title |
|---|---|---|
| US2665779A | Forged and welded brake head | |
| US2659456A | Brake mechanism | |
| US2630883A | Brake mechanism | |
| US2543326A | Clasp brake mechanism | |
| US2633935A | Brake mechanism | |
| US2665778A | Brake mechanism | |
| US2575825A | Brake mechanism | |
| US2471313A | Brake rigging | |
| US2526333A | Brake rigging | |
| US2446659A | Clasp brake rigging | |
| US2472169A | Brake rigging | |
| US2505986A | Brake rigging | |
| US2431579A | Clasp brake rigging | |
| US2427956A | Brake rigging | |
| US2402389A | Brake rigging | |
| US2377817A | Brake head balancing device | |
| US2360967A | Brake mechanism | |
| US2282374A | Brake rigging | |
| US2275916A | Brake mechanism | |
| US2242015A | Brake mechanism |