| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 21 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Chemical engineering | |
| #3 | Thermal processes | |
| #4 | Control | |
| #5 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Brian Spalding Dudley | 21 |
| Publication | Filing date | Title |
|---|---|---|
| US3159002A | Pressure exchangers | |
| US3091083A | Pressure exchangers | |
| US3095704A | Pressure exchanger apparatus | |
| US3002357A | Pressure exchangers | |
| US3076422A | Pressure exchangers | |
| US3019962A | Pressure exchangers | |
| US3074620A | Pressure exchangers | |
| US3078034A | Pressure exchanger | |
| US3022050A | Introduction of vaporific liquid to a pressure exchanger | |
| US3003315A | Compression ignition pressure exchanger | |
| US2952982A | Pressure exchanger apparatus | |
| US3082934A | Pressure exchangers | |
| US2971343A | Pressure exchanger apparatus | |
| US2962272A | Pressure exchanger with regenerative heat exchanger | |
| US2940656A | Pressure exchangers |