Bertil Hok
37Patents
17h-index
25Co-inventors
81Inventor score
Filing activity: Oct 16, 1974 → Aug 31, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5786592A | Pulse oximetry sensor with fiberoptic signal transmission | Human Necessities | 205 | Expired |
| US4895500A | Micromechanical non-reverse valve | Emerging Cross-Sectional Technologies | 76 | Expired |
| US4936310A | Catheter for intravascular pressure measurement | Human Necessities | 71 | Expired |
| US3942382A | Pressure transducer | Physics | 66 | Expired |
| US5195528A | Acoustic respiration detector | Human Necessities | 61 | Expired |
| US4712566A | Device for recording physiological pressures | Human Necessities | 60 | Expired |
| US8370027B2 | Preventive and persuasive actions against drunk driving | Performing Operations; Transporting | 59 | Active |
| US5195375A | Miniaturized pressure sensor | Human Necessities | 57 | Expired |
| US4644154A | Fiber-optic luminescence measuring system for measuring light transmission in an optic sensor | Physics | 48 | Expired |
| US5509414A | Apparatus and method for non-contacting detection of respiration | Physics | 47 | Expired |
| US5411027A | Equipment and method for treating circulatory arrest | Human Necessities | 42 | Expired |
| US4569570A | Optical sensor having atomically localized luminescence centers | Physics | 29 | Expired |
| US4592664A | Luminescent sensor for an optical temperature-measuring device | Physics | 23 | Expired |
| US4649271A | Fiber-optic acceleration sensor with photoluminescent material | Physics | 23 | Expired |
| US4514860A | Fiber optical measuring device for measuring electrical and magnetic quantities by laterally controlled photo-luminescence | Physics | 21 | Expired |
| US4562348A | Fiber optical luminescence measuring system for measuring physical quantities with time- or frequency-divided signal information | Physics | 20 | Expired |
| US4581530A | Fiber-optic luminescence sensor utilizing interference in a thin layer structure | Physics | 17 | Expired |
| US4434665A | Integrated capacitive transducer | Physics | 17 | Expired |
| US4560868A | Fiber optical luminescence sensor for measuring mechanical displacement | Physics | 11 | Expired |
| US4297890A | Pressure transducer | Physics | 10 | Expired |
| US4413528A | Miniature pressure transducer | Physics | 9 | Expired |
| US4261208A | Pressure transducer | Physics | 8 | Expired |
| US4581528A | Fiber optical measuring device for measuring dynamic movements | Physics | 8 | Expired |
| US7146857B2 | Real time analysis for gas mixtures | Physics | 7 | Expired |
| US4459841A | Miniature pressure transducer | Human Necessities | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.