Jan Hoffmann
35Patents
9h-index
64Co-inventors
78Inventor score
Filing activity: Sep 30, 1999 → Feb 20, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7150711B2 | Method for controlling an assist pump for fluid delivery systems with pulsatile pressure | Mechanical Engineering; Lighting; Heating | 170 | Expired |
| US9107622B2 | Optical measuring device and system | Physics | 148 | Active |
| US9033502B2 | Optical measuring device and method for capturing at least one parameter of at least one eye wherein an illumination characteristic is adjustable | Human Necessities | 144 | Active |
| US8151952B2 | Proportional control valve | Emerging Cross-Sectional Technologies | 76 | Active |
| US7229474B2 | Method for controlling the position of a permanent magnetically supported rotating component | Electricity | 68 | Expired |
| US9380287B2 | Head mounted system and method to compute and render a stream of digital images using a head mounted display | Physics | 51 | Active |
| US6509573B1 | Apparatus and method for controlling a radiation device | Human Necessities | 35 | Expired |
| US6808238B2 | Operating unit for an electrohydraulic braking system | Performing Operations; Transporting | 17 | Expired |
| US6454543B1 | Selectively operable multiple pump assembly | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US6775979B1 | Actuation device for an electrohydraulic braking system | Performing Operations; Transporting | 5 | Expired |
| US9470290B2 | Torque coupler | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US9639745B2 | Method and apparatus for evaluating results of gaze detection | Physics | 3 | Active |
| US6805037B2 | Brake booster sensor | Performing Operations; Transporting | 2 | Expired |
| US9618054B2 | Torsional vibration damper | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10180176B2 | Turbine torsional vibration damper, and converter and torque transmission device | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US8240778B2 | Hydraulic trailer brake system | Performing Operations; Transporting | 1 | Active |
| US10223808B2 | Method and an apparatus for determining a gaze point on a three-dimensional object | Physics | 1 | Active |
| US10437327B2 | Eye tracking device and method for operating an eye tracking device | Physics | 1 | Active |
| US10024410B2 | Torque transfer device | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9947163B2 | Authentication of security documents and mobile device to carry out the authentication | Physics | 1 | Active |
| US6851767B2 | Actuator for an electrohydraulic braking system | Performing Operations; Transporting | 0 | Expired |
| US11217558B2 | Method and device for establishing a wire connection as well as a component arrangement having a wire connection | Electricity | 0 | Active |
| US12423865B2 | Method and an apparatus for determining a gaze point on a three-dimensional object | Physics | 0 | Active |
| US10281019B2 | Device for transmitting torque | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10699439B2 | Method and an apparatus for determining a gaze point on a three-dimensional object | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.