Charles Paul Stack
23Patents
12h-index
19Co-inventors
78Inventor score
Filing activity: Jan 25, 1993 → Nov 19, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6782370B1 | System and method for providing recommendation of goods or services based on recorded purchasing history | Physics | 354 | Expired |
| US6076070A | Apparatus and method for on-line price comparison of competitor's goods and/or services over a computer network | Physics | 231 | Expired |
| US5687100A | Vibrating tube densimeter | Physics | 95 | Expired |
| US7222085B2 | System and method for providing recommendation of goods and services based on recorded purchasing history | Physics | 75 | Expired |
| US5497666A | Increased sensitivity coriolis effect flowmeter using nodal-proximate sensors | Physics | 75 | Expired |
| US6513042B1 | Internet test-making method | Emerging Cross-Sectional Technologies | 46 | Expired |
| US6327915A | Straight tube Coriolis flowmeter | Physics | 37 | Expired |
| US6092409A | System for validating calibration of a coriolis flowmeter | Physics | 26 | Expired |
| US5969265A | Coriolis flowmeter having its flow calibration factor independent of material density | Physics | 23 | Expired |
| US5370002A | Apparatus and method for reducing stress in the brace bar of a Coriolis effect mass flow meter | Physics | 22 | Expired |
| US5344717A | Method of brazing and apparatus | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5987999A | Sensitivity enhancing balance bar | Physics | 13 | Expired |
| US8302491B2 | Vibratory flow meter and method for determining a fluid temperature of a flow material | Physics | 11 | Active |
| US7472606B2 | Single input, multiple output flow meter | Physics | 7 | Expired |
| US7831400B2 | Diagnostic apparatus and methods for a coriolis flow meter | Physics | 6 | Expired |
| US7194368B2 | Method and apparatus for correcting output information of flow measurement apparatus | Physics | 4 | Expired |
| US7774150B2 | Meter electronics and methods for determining one or more of a stiffness coefficient or a mass coefficient | Physics | 4 | Expired |
| US8239157B2 | Method and apparatus for directing the use of a coriolis flow meter | Physics | 4 | Active |
| US7925456B2 | Method and apparatus for directing the use of a Coriolis flow meter | Physics | 3 | Active |
| US8919181B2 | Multiple flow conduit flow meter | Physics | 2 | Active |
| US8589091B2 | System, method, and computer program product for detecting a process disturbance in a vibrating flow device | Physics | 1 | Active |
| US10782171B2 | System, method, and computer program product for detecting a process disturbance in a vibrating flow device | Physics | 0 | Active |
| US9719838B2 | Method for calibrating a multiple flow conduit flow meter | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.