Gerdt David

Person

Faber, VA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Detection of progressive central hypovolemia
- Patent number 10,342,437
- Issue date Jul 9, 2019
- Empirical Technologies Corporation
- Martin Baruch
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Sensing apparatus employing variable coupler fiberoptic sensor
- Patent number 6,907,148
- Issue date Jun 14, 2005
- Empirical Technologies Corporation
- David W. Gerdt
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Variable coupler fiberoptic sensor and sensing apparatus using the...
- Patent number 6,836,577
- Issue date Dec 28, 2004
- Empirical Technologies Corporation
- David Gerdt
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Panoramic visual system for non-rotating structures
- Patent number 6,731,845
- Issue date May 4, 2004
- Sperry Marine Inc.
- David William Gerdt
- G02 - OPTICS
Information Patent Grant
Apparatus and method for measuring pulse transit time
- Patent number 6,723,054
- Issue date Apr 20, 2004
- Empirical Technologies Corporation
- Martin C. Baruch
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Sensing pad assembly employing variable coupler fiberoptic sensor
- Patent number 6,687,424
- Issue date Feb 3, 2004
- Empirical Technologies Corporation
- David W. Gerdt
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Single mode fiber optic evanescent wave refractometer
- Patent number 6,480,638
- Issue date Nov 12, 2002
- Empirical Technologies Corporation
- Charles M. Adkins
- G01 - MEASURING TESTING
Information Patent Grant
Variable coupler fiberoptic sensor and sensing apparatus using the...
- Patent number 6,463,187
- Issue date Oct 8, 2002
- Empirical Technologies Corporation
- Martin C. Baruch
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Passive photonic eye delivery system
- Patent number 6,235,046
- Issue date May 22, 2001
- David W. Gerdt
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Variable coupler fiber optic sensor hydrophone
- Patent number 5,671,191
- Issue date Sep 23, 1997
- Sperry Marine Inc.
- David William Gerdt
- G01 - MEASURING TESTING
Information Patent Grant
Fiber optic evanscent wave sensor for immunoassay
- Patent number 5,494,798
- Issue date Feb 27, 1996
- David W. Gerdt
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Variable ratio fiber optic coupler optical signal processing element
- Patent number 5,136,669
- Issue date Aug 4, 1992
- Sperry Marine Inc.
- David W. Gerdt
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Device for monitoring cardiovascular signals and fiber optic couple...
- Patent number 5,074,309
- Issue date Dec 24, 1991
- Sperry Marine Inc.
- David W. Gerdt
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Apparatus and method for multiplexing fiber optic sensors
- Patent number 5,028,801
- Issue date Jul 2, 1991
- Sperry Marine Inc.
- David W. Gerdt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods for sensing temperature, pressure and liquid level and vari...
- Patent number 5,026,984
- Issue date Jun 25, 1991
- Sperry Marine, Inc.
- David W. Gerdt
- G01 - MEASURING TESTING
Information Patent Grant
Optically driven RF generator
- Patent number 5,017,793
- Issue date May 21, 1991
- Sperry Marine Inc.
- James D. Halsey
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Atmospheric obscurant penetrating target observation system with ra...
- Patent number 4,920,412
- Issue date Apr 24, 1990
- Sperry Marine Inc.
- David W. Gerdt
- G02 - OPTICS
Information Patent Grant
Automatic brightness control for image intensifiers
- Patent number 4,882,481
- Issue date Nov 21, 1989
- Sperry Marine Inc.
- Lawrence H. Gilligan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fiber optic fabrication furnace
- Patent number 4,879,454
- Issue date Nov 7, 1989
- Sperry Marine Inc.
- David W. Gerdt
- G02 - OPTICS
Information Patent Grant
Variable coupler fiberoptic sensor
- Patent number 4,634,858
- Issue date Jan 6, 1987
- Sperry Corporation
- David W. Gerdt
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
External Calibration and Recalibration for a Blood Pressure Monitor
- Publication number 20160045119
- Publication date Feb 18, 2016
- Gerdt David
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Detection of progressive central hypovolemia
- Publication number 20150148694
- Publication date May 28, 2015
- Martin Baruch
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
HYDROSTATIC FINGER CUFF FOR BLOOD WAVE FORM ANALYSIS AND DIAGNOSTIC...
- Publication number 20120238887
- Publication date Sep 20, 2012
- David W. Gerdt
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Detection of Progressive Central Hypovolemia using the System of th...
- Publication number 20100262022
- Publication date Oct 14, 2010
- Martin Baruch
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Wrist plethysmograph
- Publication number 20070287923
- Publication date Dec 13, 2007
- Charles Adkins
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Apparatus and method for measuring pulse transit time
- Publication number 20030199771
- Publication date Oct 23, 2003
- Empirical Technologies Corporation
- Martin C. Baruch
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Variable coupler fiberoptic sensor and sensing apparatus using the...
- Publication number 20030016898
- Publication date Jan 23, 2003
- Martin C. Baruch
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Sensing apparatus employing variable coupler fiberoptic sensor
- Publication number 20020146204
- Publication date Oct 10, 2002
- David W. Gerdt
- G01 - MEASURING TESTING

Gerdt David

Person

Patents Grantslast 30 patents

Detection of progressive central hypovolemia

Sensing apparatus employing variable coupler fiberoptic sensor

Variable coupler fiberoptic sensor and sensing apparatus using the...

Panoramic visual system for non-rotating structures

Apparatus and method for measuring pulse transit time

Sensing pad assembly employing variable coupler fiberoptic sensor

Single mode fiber optic evanescent wave refractometer

Variable coupler fiberoptic sensor and sensing apparatus using the...

Passive photonic eye delivery system

Variable coupler fiber optic sensor hydrophone

Fiber optic evanscent wave sensor for immunoassay

Variable ratio fiber optic coupler optical signal processing element

Device for monitoring cardiovascular signals and fiber optic couple...

Apparatus and method for multiplexing fiber optic sensors

Methods for sensing temperature, pressure and liquid level and vari...

Optically driven RF generator

Atmospheric obscurant penetrating target observation system with ra...

Automatic brightness control for image intensifiers

Fiber optic fabrication furnace

Variable coupler fiberoptic sensor

Patents Applicationslast 30 patents

External Calibration and Recalibration for a Blood Pressure Monitor

Detection of progressive central hypovolemia

HYDROSTATIC FINGER CUFF FOR BLOOD WAVE FORM ANALYSIS AND DIAGNOSTIC...

Detection of Progressive Central Hypovolemia using the System of th...

Wrist plethysmograph

Apparatus and method for measuring pulse transit time

Variable coupler fiberoptic sensor and sensing apparatus using the...

Sensing apparatus employing variable coupler fiberoptic sensor