| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 148 | |
| #2 | United Kingdom | 46 | |
| #3 | Canada | 44 | |
| #4 | France | 26 | |
| #5 | Germany | 14 | |
| #6 | Spain | 2 | |
| #7 | Brazil | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Machine tools | |
| #4 | Packaging and shipping | |
| #5 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Belts or cables for driving | |
| #2 | Gearing | |
| #3 | Clutches and brakes | |
| #4 | Unspecified technologies | |
| #5 | Making metal chains | |
| #6 | Shafts | |
| #7 | Springs | |
| #8 | Transport or storage devices | |
| #9 | Unspecified technologies | |
| #10 | Feeding fuel to combustion device |
| # | Name | Total Patents |
|---|---|---|
| #1 | Morse Frank L | 62 |
| #2 | Bremer Norman C | 20 |
| #3 | Hein Charles E | 11 |
| #4 | Riopelle Earl F | 10 |
| #5 | Thompson Fred C | 9 |
| #6 | Barnes Perry David | 8 |
| #7 | Perry David B | 7 |
| #8 | Bliss Harold N | 6 |
| #9 | Cherry Ralph E | 6 |
| #10 | Fenton George E | 5 |
| Publication | Filing date | Title |
|---|---|---|
| GB1132388A | Endless chain | |
| US3358522A | Cam chain tensioner | |
| US3313125A | Flexible coupling | |
| US3262527A | Fluid shear coupling | |
| US3276282A | Tensioning devices | |
| US3213699A | Power transmission chain | |
| US3320006A | Vented mechanical device | |
| US3320007A | Vented mechanical device | |
| US3359815A | Power transmission chain link plate | |
| US3199364A | Composite plastic gear | |
| US3222885A | Resilient coupling | |
| US3172250A | Tool | |
| GB992693A | Flexible coupling | |
| US3036445A | Flexible coupling | |
| US3074290A | Power transmission chain | |
| GB859499A | Flexible coupling for shafts | |
| US2934188A | Irreversible drive | |
| US2853861A | Flexible coupling | |
| US2909938A | Drive chain | |
| US2809535A | Clutch and controls therefor |