Allan K. So
19Patents
10h-index
26Co-inventors
72Inventor score
Filing activity: Mar 1, 1991 → May 30, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6273183A | Heat exchanger turbulizers with interrupted convolutions | Mechanical Engineering; Lighting; Heating | 50 | Expired |
| USRE35890E | Optimized offset strip fin for use in compact heat exchangers | General | 48 | Expired |
| US5575329A | Passive by-pass for heat exchangers | Emerging Cross-Sectional Technologies | 47 | Expired |
| US5538077A | In tank oil cooler | Emerging Cross-Sectional Technologies | 44 | Expired |
| US5107922A | Optimized offset strip fin for use in contact heat exchangers | Emerging Cross-Sectional Technologies | 37 | Expired |
| US6199626A | Self-enclosing heat exchangers | Mechanical Engineering; Lighting; Heating | 27 | Expired |
| US5369883A | Method for making an in tank oil cooler | Emerging Cross-Sectional Technologies | 16 | Expired |
| US7946339B2 | Multifluid heat exchanger | Mechanical Engineering; Lighting; Heating | 12 | Active |
| US8191615B2 | Linked heat exchangers having three fluids | Mechanical Engineering; Lighting; Heating | 12 | Active |
| US7703505B2 | Multifluid two-dimensional heat exchanger | Mechanical Engineering; Lighting; Heating | 11 | Active |
| US9121316B2 | Exhaust gas heat recovery device | Emerging Cross-Sectional Technologies | 4 | Active |
| US8733427B2 | Multifluid heat exchanger | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US6976531B2 | Heat exchanger, method of forming a sleeve which may be used in the heat exchanger, and a sleeve formed by the method | Emerging Cross-Sectional Technologies | 3 | Expired |
| US8453719B2 | Heat transfer surfaces with flanged apertures | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10355331B2 | Heat exchanger with regional flow distribution for uniform cooling of battery cells | Emerging Cross-Sectional Technologies | 2 | Active |
| US10048020B2 | Heat transfer surfaces with flanged apertures | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10274259B2 | Multi-sided heat exchangers with compliant heat transfer surfaces | Emerging Cross-Sectional Technologies | 1 | Active |
| US10295282B2 | Heat exchanger with flow obstructions to reduce fluid dead zones | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11371782B2 | Heat exchanger with parallel flow features to enhance heat conduction | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.