Ake A. Hellstrom
20Patents
10h-index
19Co-inventors
72Inventor score
Filing activity: Jul 14, 1986 → Sep 27, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5640244A | Method and apparatus for on-line determination of fiber orientation and anisotropy in a non-woven web | Physics | 25 | Expired |
| US10357661B2 | Medical device and method for internal healing and antimicrobial purposes | Human Necessities | 24 | Active |
| US5549793A | Control of dilution lines in a dilution headbox of a paper making machine | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US8060234B2 | Accurate tracking of web features through converting processes | Performing Operations; Transporting | 21 | Active |
| US5233195A | Methods and apparatus for measuring characteristics of moving webs | Physics | 20 | Expired |
| US4766315A | Apparatus and process for measuring physical parameters of sheet material | Physics | 18 | Expired |
| US6588118B2 | Non-contact sheet sensing system and related method | Emerging Cross-Sectional Technologies | 17 | Expired |
| US7780817B2 | Measurement system for improved paper roll runnability | Performing Operations; Transporting | 16 | Active |
| US5073712A | Light scanner web profile measurement apparatus and method | Physics | 15 | Expired |
| US5343296A | Optical scanner with self contained standardization means | Physics | 11 | Expired |
| US5479720A | Methods and apparatus for measuring web thickness and other characteristics of a moving web | Textiles; Paper | 10 | Expired |
| US7847943B2 | Web measurement device | Physics | 8 | Active |
| US8229486B2 | Synchronized wireless networked system | Physics | 6 | Active |
| US7889342B2 | Web measurement device | Physics | 5 | Active |
| US7593106B2 | Independent measurement of dual sided properties of sheet material | Physics | 4 | Active |
| US5099125A | Sheet material sensor compensation | Physics | 1 | Expired |
| US10238295B2 | Sensing catheter emitting radiant energy | Human Necessities | 1 | Active |
| US10786205B2 | Sensing catheter emitting radiant energy | Human Necessities | 1 | Active |
| US10627388B2 | Method for detecting a deflection, scanning apparatus, and use of a blocking device for detecting a deflection | Physics | 0 | Active |
| US9636179B2 | Surgical drape system for urology procedures on male patients | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.