| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Measurement | |
| #5 | Transport |
| # | Name | Total Patents |
|---|---|---|
| #1 | Cummings David S | 5 |
| #2 | Silsby Derek | 4 |
| #3 | Carnes Paul | 4 |
| #4 | Thomasian Harvey A | 3 |
| #5 | Thomasian H | 2 |
| #6 | Leone Richard P | 2 |
| #7 | Haigh Robert | 1 |
| #8 | Cummings Henry S | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2016263730A1 | Impact socket | |
| US2014096654A1 | Impact socket | |
| US2013283983A1 | Ratchet Wrench | |
| US5101537A | Ratchet tie-down | |
| US4238978A | Torque wrench | |
| US4111077A | Ratchet wrench | |
| US4058192A | Uni-directional mechanism | |
| US3732756A | Ratchet wrench | |
| US3777591A | Rotation limiting device | |
| US3651718A | Wrench | |
| US3598001A | Reversible ratchet handle for socket wrench | |
| US3546932A | Double acting torque wrench |