| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | Canada | 4 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines | |
| #3 | Thermal processes | |
| #4 | Electrical machinery and energy | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Pumps | |
| #2 | Unspecified technologies | |
| #3 | Refrigerators | |
| #4 | Pistons and sealings | |
| #5 | Electric switches | |
| #6 | Unspecified technologies | |
| #7 | Supplying combustion engines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dennedy James H | 15 |
| Publication | Filing date | Title |
|---|---|---|
| US1529014A | Refrigerating apparatus | |
| US1546570A | Compressor | |
| US1517541A | Pressure-control device for switches | |
| US1502717A | Electric switch | |
| US1555192A | Compressor | |
| US1520936A | Artificial refrigerating system | |
| US1528733A | Piston | |
| US1505321A | Packing for shafts | |
| US1560669A | Packing for shafts | |
| US1152400A | Means for controlling the operation of air and gas compressors. | |
| US1048392A | Ammonia-compressor and valve-operating mechanism therefor. | |
| CA264383A | Refrigerator | |
| CA252493A | Refrigerating system | |
| CA245858A | Packing for shafts | |
| CA247230A | Piston |