| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 139 | |
| #2 | Canada | 16 | |
| #3 | France | 11 | |
| #4 | United Kingdom | 9 | |
| #5 | Germany | 7 | |
| #6 | Switzerland | 4 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Packaging and shipping | |
| #4 | Transport | |
| #5 | Civil engineering | |
| #6 | Machine tools | |
| #7 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Gearing | |
| #2 | Unspecified technologies | |
| #3 | Shafts | |
| #4 | Unspecified technologies | |
| #5 | Handling thin material | |
| #6 | Hand carts | |
| #7 | Clutches and brakes | |
| #8 | Hinges for doors or windows | |
| #9 | Punching metal | |
| #10 | Analysing materials |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bowen Russell H | 39 |
| #2 | Williams William A | 21 |
| #3 | Brinley Charles A | 20 |
| #4 | Watson David M | 8 |
| #5 | Mccloskey Ellsworth J | 8 |
| #6 | Munoz Gonzalo C | 7 |
| #7 | Budd Edward G | 6 |
| #8 | Renton Henry N | 6 |
| #9 | Zamboni Lawrence | 6 |
| #10 | Bowen Russell Heppard | 5 |
| Publication | Filing date | Title |
|---|---|---|
| US2990133A | One piece molded spool | |
| US2941628A | Back stops | |
| GB831100A | Adjustable support | |
| DE1167602B | Adjustable V-belt pulley | |
| GB806029A | An adjustable sheave | |
| GB806580A | An overload release torque arm | |
| DE1091829B | Torque limiter | |
| US2889921A | Container for wire | |
| US2806381A | Sheaves | |
| US2849886A | Adjustable sheaves | |
| US2857771A | Adjustable sheaves | |
| US2816452A | Adjustable sheaves | |
| US2881986A | Spool construction | |
| US2818953A | Overload release torque arms | |
| US2895210A | Method of packaging wire | |
| US2830362A | Factory truck construction | |
| GB757177A | Improvements in or relating to adjustable diameter sheaves | |
| US2799041A | Caster mounting | |
| US2844048A | Torque arms | |
| US2747709A | Reverse rotation check means |