DAVID H. CROWNE

Person

Weybridge, VT, US

People

Patents Grantslast 30 patents

Information Patent Grant
Optically switched IGBT
- Patent number 12,009,812
- Issue date Jun 11, 2024
- Simmonds Precision Products, Inc.
- David H. Crowne
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fiber optic load sensors and systems therefor
- Patent number 11,585,712
- Issue date Feb 21, 2023
- Simmonds Precision Products, Inc.
- Peter J. Carini
- G01 - MEASURING TESTING
Information Patent Grant
Wavelength determination using an optical filter having complementa...
- Patent number 11,333,556
- Issue date May 17, 2022
- Simmonds Precision Products, Inc.
- Tyler Arsenault
- G01 - MEASURING TESTING
Information Patent Grant
Optically powered remotely interrogated liquid gauging system
- Patent number 10,641,673
- Issue date May 5, 2020
- Simmonds Precision Products, Inc.
- David H. Crowne
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Systems and methods for liquid level detection with optoelectronic...
- Patent number 10,598,537
- Issue date Mar 24, 2020
- Simmonds Precision Products, Inc.
- David H. Crowne
- G01 - MEASURING TESTING
Information Patent Grant
Liquid measurement system for a tank
- Patent number 10,442,545
- Issue date Oct 15, 2019
- Simmonds Precision Products, Inc.
- David H. Crowne
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method and system for fast determination of the wavelength of a lig...
- Patent number 10,281,329
- Issue date May 7, 2019
- Simmonds Precision Products, Inc.
- David H. Crowne
- G01 - MEASURING TESTING
Information Patent Grant
Fuel density determination
- Patent number 9,909,967
- Issue date Mar 6, 2018
- Simmonds Precision Products, Inc.
- Gary M. McBrien
- G01 - MEASURING TESTING
Information Patent Grant
Optically interfaced remote data concentrator
- Patent number 9,793,991
- Issue date Oct 17, 2017
- Simmonds Precision Products, Inc.
- David H. Crowne
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of assembling an inductive proximity sensor
- Patent number 7,360,294
- Issue date Apr 22, 2008
- Simmonds Precision Products, Inc.
- Robert D. LaClair
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Inductive proximity sensor and method of assembling the same
- Patent number 7,170,385
- Issue date Jan 30, 2007
- Simmonds Precision Products, Inc.
- Robert Downing LaClair
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Liquid gauging apparatus with a magnetoresistive sensor and remote...
- Patent number 5,814,830
- Issue date Sep 29, 1998
- Simmonds Precision Products, Inc.
- David Henry Crowne
- G01 - MEASURING TESTING
Information Patent Grant
Fluid gauging apparatus using magnetostrictive sensor and stick gauge
- Patent number 5,723,870
- Issue date Mar 3, 1998
- Simmonds Precision Products Inc.
- David Henry Crowne
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Fluid gauging apparatus using integral electrical sensor and a stic...
- Patent number 5,627,380
- Issue date May 6, 1997
- Simmonds Precision Products, Inc.
- David H. Crowne
- G01 - MEASURING TESTING
Information Patent Grant
Liquid gauging apparatus and remote sensor interrogation
- Patent number 5,530,258
- Issue date Jun 25, 1996
- Simmonds Precision Products, Inc.
- David H. Crowne
- G01 - MEASURING TESTING
Information Patent Grant
Liquid gauging apparatus and remote sensor interrogation
- Patent number 5,399,875
- Issue date Mar 21, 1995
- Simmonds Precision Product, Inc.
- David H. Crowne
- G01 - MEASURING TESTING
Information Patent Grant
Temperature compensated optical detector
- Patent number 5,266,792
- Issue date Nov 30, 1993
- Simmonds Precision Products, Inc.
- David H. Crowne
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
CONTAMINATION DETECTION FOR OPTICAL PRESSURE SENSORS
- Publication number 20230251121
- Publication date Aug 10, 2023
- Simmonds Precision Products, Inc.
- DAVID H. CROWNE
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL FABRY-PEROT BASED LIQUID LEVEL SENSORS
- Publication number 20230251122
- Publication date Aug 10, 2023
- Simmonds Precision Products, Inc.
- DAVID H. CROWNE
- G01 - MEASURING TESTING
Information Patent Application
SLIDING DISCRETE FOURIER TRANSFORM (DFT) BINS FOR FUEL QUANTITY MEA...
- Publication number 20230160766
- Publication date May 25, 2023
- Simmonds Precision Products, Inc.
- Aswin Kumar Vallamkondu
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
OPTICALLY SWITCHED IGBT
- Publication number 20220094357
- Publication date Mar 24, 2022
- Simmonds Precision Products, Inc.
- David H. Crowne
- G02 - OPTICS
Information Patent Application
FIBER OPTIC LOAD SENSORS AND SYSTEMS THEREFOR
- Publication number 20220057283
- Publication date Feb 24, 2022
- Simmonds Precision Products, Inc.
- Peter J. Carini
- G01 - MEASURING TESTING
Information Patent Application
OPTICALLY POWERED REMOTELY INTERROGATED LIQUID GAUGING SYSTEM
- Publication number 20190072446
- Publication date Mar 7, 2019
- Simmonds Precision Products, Inc.
- DAVID H. CROWNE
- G01 - MEASURING TESTING
Information Patent Application
METHOD AND SYSTEM FOR FAST DETERMINATION OF THE WAVELENGTH OF A LIG...
- Publication number 20180364099
- Publication date Dec 20, 2018
- Simmonds Precision Products, Inc.
- DAVID H. CROWNE
- G01 - MEASURING TESTING
Information Patent Application
WAVELENGTH DETERMINATION USING AN OPTICAL FILTER HAVING COMPLEMENTA...
- Publication number 20180340831
- Publication date Nov 29, 2018
- Simmonds Precision Products, Inc.
- Tyler Arsenault
- G01 - MEASURING TESTING
Information Patent Application
LIQUID MEASUREMENT SYSTEM FOR A TANK
- Publication number 20180299315
- Publication date Oct 18, 2018
- Simmonds Precision Products, Inc.
- David H. Crowne
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
CATALYTIC FUEL TANK INERTING APPARATUS FOR AIRCRAFT
- Publication number 20180037334
- Publication date Feb 8, 2018
- HAMILTON SUNDSTRAND CORPORATION
- Eric Surawski
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
OPTICALLY INTERFACED REMOTE DATA CONCENTRATOR
- Publication number 20170272157
- Publication date Sep 21, 2017
- Simmonds Precision Products, Inc.
- David H. Crowne
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEMS AND METHODS FOR LIQUID LEVEL DETECTION
- Publication number 20170176235
- Publication date Jun 22, 2017
- Simmonds Precision Products, Inc.
- DAVID H. CROWNE
- G01 - MEASURING TESTING
Information Patent Application
FUEL DENSITY DETERMINATION
- Publication number 20160123860
- Publication date May 5, 2016
- Simmonds Precision Products, Inc.
- Gary M. McBrien
- G01 - MEASURING TESTING
Information Patent Application
INDUCTIVE PROXIMITY SENSOR AND METHOD OF ASSEMBLING THE SAME
- Publication number 20070107207
- Publication date May 17, 2007
- Simmonds Precision Products, Inc.
- Robert Downing LaClair
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Inductive proximity sensor and method of assembling the same
- Publication number 20060103499
- Publication date May 18, 2006
- Simmonds Precision Products, Inc.
- Robert Downing LaClair
- H03 - BASIC ELECTRONIC CIRCUITRY

DAVID H. CROWNE

Person

Patents Grantslast 30 patents

Optically switched IGBT

Fiber optic load sensors and systems therefor

Wavelength determination using an optical filter having complementa...

Optically powered remotely interrogated liquid gauging system

Systems and methods for liquid level detection with optoelectronic...

Liquid measurement system for a tank

Method and system for fast determination of the wavelength of a lig...

Fuel density determination

Optically interfaced remote data concentrator

Method of assembling an inductive proximity sensor

Inductive proximity sensor and method of assembling the same

Liquid gauging apparatus with a magnetoresistive sensor and remote...

Fluid gauging apparatus using magnetostrictive sensor and stick gauge

Fluid gauging apparatus using integral electrical sensor and a stic...

Liquid gauging apparatus and remote sensor interrogation

Liquid gauging apparatus and remote sensor interrogation

Temperature compensated optical detector

Patents Applicationslast 30 patents

CONTAMINATION DETECTION FOR OPTICAL PRESSURE SENSORS

OPTICAL FABRY-PEROT BASED LIQUID LEVEL SENSORS

SLIDING DISCRETE FOURIER TRANSFORM (DFT) BINS FOR FUEL QUANTITY MEA...

OPTICALLY SWITCHED IGBT

FIBER OPTIC LOAD SENSORS AND SYSTEMS THEREFOR

OPTICALLY POWERED REMOTELY INTERROGATED LIQUID GAUGING SYSTEM

METHOD AND SYSTEM FOR FAST DETERMINATION OF THE WAVELENGTH OF A LIG...

WAVELENGTH DETERMINATION USING AN OPTICAL FILTER HAVING COMPLEMENTA...

LIQUID MEASUREMENT SYSTEM FOR A TANK

CATALYTIC FUEL TANK INERTING APPARATUS FOR AIRCRAFT

OPTICALLY INTERFACED REMOTE DATA CONCENTRATOR

SYSTEMS AND METHODS FOR LIQUID LEVEL DETECTION

FUEL DENSITY DETERMINATION

INDUCTIVE PROXIMITY SENSOR AND METHOD OF ASSEMBLING THE SAME

Inductive proximity sensor and method of assembling the same