John Hammargren
12Patents
5h-index
9Co-inventors
59Inventor score
Filing activity: Aug 17, 1995 → Nov 16, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5944680A | Respiratory effort detection method and apparatus | Human Necessities | 369 | Expired |
| US5607385A | Device and algorithm for a combined cardiomyostimulator and a cardiac pacer-carioverter-defibrillator | Human Necessities | 97 | Expired |
| US5697884A | Cardiac assist device having circadian muscle simulation | Human Necessities | 38 | Expired |
| USD705827S1 | Drill bit for percussive drilling | General | 15 | Active |
| US5697952A | Cardiac assist device having muscle augementation after confirmed arrhythmia and method | Human Necessities | 10 | Expired |
| US10626680B2 | Percussive rock drill bit with flushing grooves | Fixed Constructions | 1 | Active |
| US12286842B2 | Thread pitch | Fixed Constructions | 0 | Active |
| US12241313B2 | Connection for percussion drilling | Fixed Constructions | 0 | Active |
| US12054991B2 | Carved out drill bit | Fixed Constructions | 0 | Active |
| US9797202B2 | Drill bit for rock drilling tool, and rock drilling tool | Fixed Constructions | 0 | Active |
| US12000213B2 | Drill bit | Fixed Constructions | 0 | Active |
| US12098599B2 | Shoulder protected drilling assembly | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.