| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Transport | |
| #3 | Machine tools | |
| #4 | Measurement | |
| #5 | Engines, pumps and turbines | |
| #6 | Agriculture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Coffman Samuel M | 11 |
| #2 | Moore George W | 1 |
| #3 | Elder William M | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2268802A | Driving mechanism | |
| US2160126A | Brake holding and releasing means | |
| US2009107A | Freewheeling transmission mechanism | |
| US1968635A | Freewheeling transmission mechanism | |
| US1944220A | Freewheeling transmission mechanism | |
| US1620950A | Trap | |
| US1455077A | Valve tester | |
| US1165945A | Power attachment for hair-clippers. | |
| US1141613A | Chuck. | |
| US1161188A | Molding-machine. | |
| US841934A | Single-eccentric reversing-gear for steam-engines. |