| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 47 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Clutches and brakes | |
| #2 | Unspecified technologies | |
| #3 | Gearing | |
| #4 | Unspecified technologies | |
| #5 | Vehicle transmission mounting | |
| #6 | Vehicle drive control systems | |
| #7 | Pistons and sealings | |
| #8 | Marine propulsion |
| # | Name | Total Patents |
|---|---|---|
| #1 | Peterson Carl D | 47 |
| #2 | Deimel Albert H | 23 |
| #3 | Burkhalter Robert R | 3 |
| #4 | Barth Elmer J | 3 |
| #5 | Zingsheim Edward W | 2 |
| #6 | Barth Eimer J | 1 |
| #7 | Delmel Albert H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2409148A | Synchronizing clutch construction | |
| US2391268A | Synchronizing clutch | |
| US2385231A | Gear shifting mechanism | |
| US2399569A | Synchronizing clutch | |
| US2392763A | Fluid seal | |
| US2394099A | Transmission mechanism | |
| US2399568A | Transmission mechanism | |
| US2399567A | Control system for change-speed transmission gearing | |
| US2394098A | Balking ring clutch | |
| US2378788A | Balking ring clutch | |
| US2363746A | Synchronizing clutch | |
| US2397883A | Automatic torque converter transmission | |
| US2362925A | Gear shifting mechanism | |
| US2382331A | Overrunning clutch construction | |
| US2357284A | Power transmission mechanism | |
| US2360976A | Transmission mechanism | |
| US2339512A | Balking ring clutch | |
| US2257071A | Poppetless synchronizing clutch | |
| US2300036A | Change speed transmission gearing | |
| US2334282A | Hydraulic coupling |