| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Transport | |
| #3 | Machines | |
| #4 | Machine tools | |
| #5 | Engines, pumps and turbines | |
| #6 | Thermal processes | |
| #7 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Gearing | |
| #2 | Vehicle air-treating devices | |
| #3 | Refrigerators | |
| #4 | Bowling games | |
| #5 | Rotary-pistons | |
| #6 | Clutches and brakes | |
| #7 | Unspecified technologies | |
| #8 | Unspecified technologies | |
| #9 | Accessories for machine tools | |
| #10 | Vehicle brake control systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nickell Claude H | 12 |
| Publication | Filing date | Title |
|---|---|---|
| US3928984A | Compressor cycling unit | |
| US3229550A | Variable hydraulically and mechanically locking differential | |
| US3251244A | Torque divided hydraulically proportioned output differential | |
| US3232139A | Hydraulically operated partial lock differential | |
| US3224769A | Hollow bowling pin | |
| US3235222A | Tracer equipment | |
| US2567078A | Adjustable valve tappet | |
| US2544278A | Tail wheel assembly | |
| US2305317A | Rotary compressor | |
| US2191677A | Braking apparatus | |
| US2154636A | Braking system | |
| US2212503A | Air conditioning system for motor vehicles |