John P. Schulte
34Patents
11h-index
32Co-inventors
75Inventor score
Filing activity: Oct 12, 1984 → Sep 30, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5705978A | Process control transmitter | Physics | 146 | Expired |
| US5083091A | Charged balanced feedback measurement circuit | Physics | 57 | Expired |
| US4800758A | Pressure transducer with stress isolation for hard mounting | Physics | 56 | Expired |
| US4878012A | Charge balanced feedback transmitter | Physics | 55 | Expired |
| US4578735A | Pressure sensing cell using brittle diaphragm | Emerging Cross-Sectional Technologies | 40 | Expired |
| US6457367B1 | Scalable process transmitter | Emerging Cross-Sectional Technologies | 40 | Expired |
| US4791352A | Transmitter with vernier measurement | Physics | 36 | Expired |
| US6898980B2 | Scalable process transmitter | Emerging Cross-Sectional Technologies | 32 | Expired |
| US6568279B2 | Scalable process transmitter | Emerging Cross-Sectional Technologies | 30 | Expired |
| US6834258B2 | Field transmitter with diagnostic self-test mode | Physics | 14 | Expired |
| US7467555B2 | Pressure transmitter with multiple reference pressure sensors | Physics | 11 | Active |
| US7918134B2 | Thermal-based diagnostic system for process transmitter | Emerging Cross-Sectional Technologies | 11 | Active |
| US8234927B2 | Differential pressure sensor with line pressure measurement | Physics | 11 | Active |
| US7484416B1 | Process control transmitter with vibration sensor | Physics | 11 | Active |
| US8578783B2 | Process fluid pressure transmitter with separated sensor and sensor electronics | Physics | 10 | Active |
| US7970063B2 | Variable liftoff voltage process field device | Physics | 6 | Active |
| US5119033A | Vernier voltage-to-digital converter with a storage capacitance selectable in magnitude | Physics | 5 | Expired |
| US5155445A | Vernier voltage-to-digital converter with a storage capacitance selectable in magnitude | Physics | 4 | Expired |
| US5281922A | Method for capacitance temperature compensation and manufacturability in a dual plate capacitive pressure transmitter | Physics | 4 | Expired |
| US9473303B2 | Method and system for product authentication | Electricity | 3 | Active |
| US6828802B2 | Pressure measurement device including a capacitive sensor in an amplifier feedback path | Physics | 3 | Expired |
| US9628104B2 | High resolution sigma delta modulator for capacitance sensor terminal displacement measurement | Electricity | 3 | Active |
| US8786128B2 | Two-wire industrial process field device with power scavenging | Physics | 3 | Active |
| US9217653B2 | High performance architecture for process transmitters | Physics | 3 | Active |
| US8340791B2 | Process device with sampling skew | Physics | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.