Inventor
CROWNE DAVID H
US16 patents
⚠️ This page may combine multiple inventors who share the name “CROWNE DAVID H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SIMMONDS PRECISION PRODUCTS
15 patentsUS5266792ANov 30, 1993
Temperature compensated optical detector
SIMMONDS PRECISION PRODUCTS59 citations95
US5627380AMay 6, 1997
Fluid gauging apparatus using integral electrical sensor and a stick gauge
SIMMONDS PRECISION PRODUCTS41 citations91
US5530258AJun 25, 1996
Liquid gauging apparatus and remote sensor interrogation
SIMMONDS PRECISION PRODUCTS20 citations91
US12025482B2Jul 2, 2024
Contamination detection for optical pressure sensors
SIMMONDS PRECISION PRODUCTS4 citations73
US10598537B2Mar 24, 2020
Systems and methods for liquid level detection with optoelectronic interfaced dual thermistor bead sensor
SIMMONDS PRECISION PRODUCTS2 citations72
US9909967B2Mar 6, 2018
Fuel density determination
SIMMONDS PRECISION PRODUCTS3 citations72
US11585712B2Feb 21, 2023
Fiber optic load sensors and systems therefor
SIMMONDS PRECISION PRODUCTS2 citations71
US11333556B2May 17, 2022
Wavelength determination using an optical filter having complementary transmission and reflection coefficients
SIMMONDS PRECISION PRODUCTS2 citations71
US12009812B2Jun 11, 2024
Optically switched IGBT
SIMMONDS PRECISION PRODUCTS0 citations62
US10641673B2May 5, 2020
Optically powered remotely interrogated liquid gauging system
SIMMONDS PRECISION PRODUCTS1 citations61
US10442545B2Oct 15, 2019
Liquid measurement system for a tank
SIMMONDS PRECISION PRODUCTS1 citations54
US12339153B2Jun 24, 2025
Optical fabry-perot based liquid level sensors
SIMMONDS PRECISION PRODUCTS0 citations51
US9793991B2Oct 17, 2017
Optically interfaced remote data concentrator
SIMMONDS PRECISION PRODUCTS1 citations51
US12298199B2May 13, 2025
Sliding discrete Fourier transform (DFT) bins for fuel quantity measurements
SIMMONDS PRECISION PRODUCTS0 citations44
US10281329B2May 7, 2019
Method and system for fast determination of the wavelength of a light beam
SIMMONDS PRECISION PRODUCTS0 citations40