Kenneth W. Junk
65Patents
11h-index
29Co-inventors
78Inventor score
Filing activity: Sep 29, 1997 → Mar 31, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6466893B1 | Statistical determination of estimates of process control loop parameters | Physics | 73 | Expired |
| US6128541A | Optimal auto-tuner for use in a process control network | Physics | 62 | Expired |
| US6192321A | Method of and apparatus for deterministically obtaining measurements | Emerging Cross-Sectional Technologies | 43 | Expired |
| US5966679A | Method of and apparatus for nonobtrusively obtaining on-line measurements of a process control device parameter | Mechanical Engineering; Lighting; Heating | 40 | Expired |
| US6804618B2 | Detection and discrimination of instabilities in process control loops | Physics | 39 | Expired |
| US6678584B2 | Method and apparatus for performing diagnostics in a control loop of a control valve | Physics | 30 | Expired |
| US6954683B2 | Method and apparatus for performing diagnostics in a control loop of a control valve | Physics | 22 | Expired |
| US7609056B2 | Apparatus to determine the position of an actuator | Emerging Cross-Sectional Technologies | 15 | Active |
| US6999853B2 | Methods and apparatus for operating and performing diagnostics in a control loop of a control valve | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US7516043B2 | Triggered field device data collection in a process control system | Emerging Cross-Sectional Technologies | 13 | Expired |
| US9989159B2 | Vent assembly and method for a digital valve positioner | Emerging Cross-Sectional Technologies | 11 | Active |
| US7458310B2 | Asymmetric volume booster arrangement for valve actuator | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US7039537B2 | Detection and discrimination of instabilities in process control loops | Physics | 9 | Expired |
| US7337041B2 | Feedback control methods and apparatus for electro-pneumatic control systems | Emerging Cross-Sectional Technologies | 7 | Expired |
| US9008804B2 | Method and apparatus for operating field devices via a portable communicator | Physics | 7 | Active |
| US9752599B2 | Methods and apparatus to partial stroke test valves using pressure control | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US8631826B2 | Volume booster with stabilized trim | Emerging Cross-Sectional Technologies | 5 | Active |
| US9881250B2 | Methods and apparatus for RFID communications in a process control system | Emerging Cross-Sectional Technologies | 5 | Active |
| US10041610B2 | Methods and apparatus of stabilizing a valve positioner when testing a solenoid valve | Electricity | 4 | Active |
| US9611873B2 | Pressure control for partial stroke tests | Physics | 4 | Active |
| US7845268B2 | Asymmetric volume booster arrangement for valve actuators | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US10234058B2 | Methods and apparatus of assessing a test of a solenoid valve via a positioner | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US9124999B2 | Method and apparatus for wireless communications in a process control or monitoring environment | Emerging Cross-Sectional Technologies | 3 | Active |
| US9893770B2 | Base station for gathering data from localized sensors | Electricity | 3 | Active |
| US9013412B2 | User interface for a portable communicator for use in a process control environment | Physics | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.