Lars Persson
32Patents
6h-index
30Co-inventors
69Inventor score
Filing activity: Feb 25, 1987 → Jul 25, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4845931A | Apparatus for a harvesting machine | Human Necessities | 40 | Expired |
| US6062305A | Plate heat exchanger | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5121790A | Heat exchanger | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6564862B1 | Multicircuit heat exchanger | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US7337836B1 | Heat exchanger with leakage vent | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US6164372A | Heat exchanger | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US10051383B2 | Hearing aid comprising a receiver assembly | Electricity | 6 | Active |
| US5821811A | Bypass device in an amplifier unit | Electricity | 6 | Expired |
| US7213635B2 | Heat exchanger with reinforcement means | Emerging Cross-Sectional Technologies | 4 | Expired |
| US10375491B2 | Hearing device with a barrier element | Electricity | 3 | Active |
| US10057697B2 | Hearing device with a barrier element | Electricity | 3 | Active |
| US9033026B2 | Double plate heat exchanger | Emerging Cross-Sectional Technologies | 3 | Active |
| US7808310B2 | Differential band-pass filter having symmetrically interwoven inductors | Electricity | 3 | Active |
| US8505619B2 | Heat exchanger with temperature-controlled valve | Emerging Cross-Sectional Technologies | 2 | Active |
| US9234710B2 | Heat exchanger | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10605534B2 | Plate heat exchanger | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10527361B2 | Heat exchanger | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US8091619B2 | Heat exchanger with indentation pattern | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US9900713B2 | Microphone inlet for hearing aid | Electricity | 2 | Active |
| US10145625B2 | Dimple pattern gasketed heat exchanger | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10113814B2 | Double dimple pattern heat exchanger | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US8943854B2 | Heat exchanger and air condition system | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US7334431B2 | Evaporator and heat exchanger with external loop, as well as heat pump system and air conditioning system comprising said evaporator or heat exchanger | Emerging Cross-Sectional Technologies | 1 | Expired |
| US10499166B2 | Hearing aid comprising a receiver assembly | Electricity | 1 | Active |
| US10473403B2 | Heat exchanger | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.