Thomas Johansson
24Patents
8h-index
29Co-inventors
75Inventor score
Filing activity: May 24, 1979 → Apr 24, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5464440A | Porous implant with two sets of pores | Human Necessities | 298 | Expired |
| US5769049A | Method and system for controlling combustion engines | Mechanical Engineering; Lighting; Heating | 51 | Expired |
| US7029521B2 | Process and device in connection with the production of oxygen or oxygen enriched air | Emerging Cross-Sectional Technologies | 45 | Expired |
| US5053097A | Method of joining tubes having a corrugated wall of plastic material | Emerging Cross-Sectional Technologies | 35 | Expired |
| US6005164A | Implant with porous surface | Human Necessities | 29 | Expired |
| US6899749B2 | Apparatus for moisture absorption | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US4269620A | Process for the preparation of silicon or ferrosilicon | Chemistry; Metallurgy | 12 | Expired |
| US6114841A | Method and device for compensation of reactive power | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4530825A | Process for the production of silicon nitride | Chemistry; Metallurgy | 8 | Expired |
| US4435209A | Process for the preparation of silicon or ferrosilicon | Chemistry; Metallurgy | 3 | Expired |
| US7988715B2 | System and method for therapy and diagnosis comprising translatory distributor for distribution of radiation | Human Necessities | 3 | Active |
| US10548291B2 | Teatcup | Human Necessities | 2 | Active |
| US11844041B2 | Method and apparatus for fingerprinting positioning | Electricity | 1 | Active |
| US9384084B2 | Complete and compatible function | Physics | 1 | Active |
| US10085411B2 | Pressure control device for a milking machine | Human Necessities | 1 | Active |
| US10386547B2 | Textured high refractive index surface for reflective image displays | Physics | 0 | Active |
| US11982918B2 | Apparatus and method for reflective image display with dielectric layer | Physics | 0 | Active |
| US10721904B2 | Method for sampling of milk in a milking machine and a milking machine | Human Necessities | 0 | Active |
| US11709412B2 | Method and apparatus for driving static images and video for TIR-based image displays | Physics | 0 | Active |
| US9855647B2 | Percussion device for a hydraulic rock drilling machine, method of operation of a percussion device and hydraulic rock drilling machine including a percussion device | Performing Operations; Transporting | 0 | Active |
| US9937611B2 | Device in a rock drilling machine and rock drilling machine | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11573475B2 | Driving methods for TIR-based image displays | Physics | 0 | Active |
| US12031968B2 | Distribution unit for milk samples comprising two separate parts | Human Necessities | 0 | Active |
| USD983473S1 | Washing machine | General | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.