Herbert Estrada
26Patents
9h-index
15Co-inventors
72Inventor score
Filing activity: Jul 25, 1975 → Dec 9, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6647806B1 | Turbulence conditioner for use with transit time ultrasonic flowmeters | Physics | 32 | Expired |
| US6227040A | Method and apparatus for determining the viscosity of a fluid in a container | Physics | 28 | Expired |
| US4024760A | Fluid flow measurement apparatus | Physics | 21 | Expired |
| US4975238A | Control system for a nuclear steam power plant | Emerging Cross-Sectional Technologies | 19 | Expired |
| US7810401B2 | Apparatus and method for operation in the laminar, transition, and turbulent flow regimes | Physics | 17 | Active |
| US6446494B2 | Method and apparatus for determining the viscosity of a fluid in a container | Physics | 16 | Expired |
| US4145922A | Thermal power measurement apparatus | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6244100A | Temperature compensation for automated leak detection | Physics | 12 | Expired |
| US8544343B2 | Chordal gas flowmeter with transducers installed outside the pressure boundary | Physics | 12 | Active |
| US8578971B2 | Fluid nozzle for a pipe having a flow meter | Physics | 5 | Active |
| US7366625B1 | Method, apparatus and computer medium for correcting transient flow errors in flowmeter proving data | Physics | 5 | Active |
| US8438935B2 | Smooth bore, chordal transit-time ultrasonic meter and method | Physics | 5 | Active |
| US8534138B2 | Chordal gas flowmeter with transducers installed outside the pressure boundary, housing and method | Physics | 4 | Active |
| US9140593B2 | Smooth bore, chordal transit-time ultrasonic meter and method | Physics | 4 | Active |
| US7823462B2 | Turbulence conditioner for transit time ultrasonic flow meters and method | Emerging Cross-Sectional Technologies | 2 | Active |
| US9772207B2 | Smooth bore, chordal transit-time ultrasonic flow meter that eliminates dependence of meter factor on Reynolds Number | Physics | 2 | Active |
| US9448150B2 | Method and apparatus for determining kinematic viscosity through the transmission and reception of ultrasonic energy | Physics | 1 | Active |
| US9322689B2 | Chordal gas flow meter with transducers installed outside the pressure boundary, and method | Physics | 1 | Active |
| US11131572B2 | Smooth bore, chordal transit-time ultrasonic meter and method | Physics | 1 | Active |
| US8065785B2 | Method for producing a turbulence conditioner for use with an ultrasonic flow meter in a pipe | Emerging Cross-Sectional Technologies | 0 | Active |
| US10801937B2 | Method and apparatus for determining kinematic viscosity through the transmission and reception of ultrasonic energy | Physics | 0 | Active |
| US8532943B2 | Method and apparatus for the measurement of the mass fraction of water in oil-water mixtures | Physics | 0 | Active |
| US10539445B2 | Smooth bore, chordal transit-time ultrasonic meter and method | Physics | 0 | Active |
| US8132463B2 | Method and apparatus for detecting voids in a pipe | Physics | 0 | Active |
| US8880363B2 | Method and apparatus for the measurement of the mass fraction of water in oil-water mixtures | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.