Frank Kressmann
16Patents
6h-index
29Co-inventors
62Inventor score
Filing activity: Dec 23, 1998 → Jul 22, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6818867B2 | Method for heating liquid in an electric kettle | Human Necessities | 65 | Expired |
| US8603397B2 | Dispenser for dispensing volatile compositions | Performing Operations; Transporting | 24 | Active |
| US7214193B2 | Method and measuring device for determining blood pressure | Human Necessities | 12 | Expired |
| US7932700B2 | Battery with integrated voltage converter | Emerging Cross-Sectional Technologies | 11 | Active |
| US6712769B2 | Blood pressure monitoring device with inclination sensor | Human Necessities | 11 | Expired |
| US8115454B2 | Battery with an integrated voltage converter having a bypass circuit | Emerging Cross-Sectional Technologies | 8 | Active |
| US7963921B1 | Method and measuring device for determining blood pressure | Human Necessities | 6 | Expired |
| US9393337B2 | Dispenser for dispensing volatile compositions | Performing Operations; Transporting | 6 | Active |
| US6893402B2 | Method and measuring device for determining blood pressure | Human Necessities | 5 | Expired |
| US10117508B2 | Fastenable device for oral cavity position detection | Human Necessities | 5 | Active |
| US6559625B2 | Circuit arrangement and electrical appliance with an inductive load and a buck converter | Electricity | 5 | Expired |
| US10299902B2 | Fastenable device for oral cavity position detection | Human Necessities | 4 | Active |
| US6842212B2 | Liquid crystal display | Physics | 2 | Expired |
| US6843773B2 | Blood pressure monitoring device and method of manufacturing a parts mounting module of a blood pressure monitoring device | Human Necessities | 1 | Expired |
| US8456248B2 | Circuit arrangement and method for supplying a capacitive load | Electricity | 0 | Active |
| US9300195B2 | Linear motor for a small electric handheld device | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.