David E. Wiklund
35Patents
16h-index
30Co-inventors
81Inventor score
Filing activity: Sep 18, 1980 → Jul 22, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5606513A | Transmitter having input for receiving a process variable from a remote sensor | Physics | 106 | Expired |
| US5899962A | Differential pressure measurement arrangement utilizing dual transmitters | Physics | 93 | Expired |
| US5817950A | Flow measurement compensation technique for use with an averaging pitot tube type primary element | Physics | 92 | Expired |
| US6725731B2 | Bi-directional differential pressure flow sensor | Physics | 53 | Expired |
| US6151557A | Friction flowmeter with improved software | Physics | 43 | Expired |
| US6412353B1 | Vortex flowmeter with signal processing | Physics | 43 | Expired |
| US6170338A | Vortex flowmeter with signal processing | Physics | 39 | Expired |
| US6817252B2 | Piston position measuring device | Physics | 31 | Expired |
| US6253624A | Friction flowmeter | Physics | 24 | Expired |
| US6789458B2 | System for controlling hydraulic actuator | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US6182019A | Transmitter for providing a signal indicative of flow through a differential producer using a simplified process | Physics | 24 | Expired |
| US4559832A | Piezoelectric pressure frequency sensor | Emerging Cross-Sectional Technologies | 22 | Expired |
| US6843139B2 | Flow instrument with multisensors | Physics | 19 | Expired |
| US6484590B1 | Method for measuring fluid flow | Physics | 19 | Expired |
| US6848323B2 | Hydraulic actuator piston measurement apparatus and method | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US7836780B2 | Sensor tube with reduced coherent vortex shedding | Emerging Cross-Sectional Technologies | 16 | Active |
| US7949495B2 | Process variable transmitter with diagnostics | Physics | 14 | Expired |
| USD358782S | Housing for a multivariable transmitter | General | 14 | Expired |
| US4350047A | Vortex-shedding flowmeter having two bluff bodies | Physics | 14 | Expired |
| US9250108B2 | Differential pressure based flow measurement device having improved pitot tube configuration | Physics | 12 | Active |
| US9157775B2 | Flowmeter for measuring flow of a process fluid through a conduit including process variable sensors mounted on a pitot tube | Physics | 11 | Active |
| US9702743B2 | Flowmeter for measuring flow of a process fluid through a conduit including upstream and downstream process variable sensors mounted on the pitot tube | Physics | 10 | Active |
| US8849589B2 | Multivariable process fluid flow device with energy flow calculation | Physics | 5 | Active |
| US8812253B2 | Fluid flow measurement with phase-based diagnostics | Physics | 3 | Active |
| US6935156B2 | Characterization of process pressure sensor | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.