David J. Farrell

Person

Louisville, CO, US

People

Patents Grantslast 30 patents

Information Patent Grant
Dual frequency ranging with calculated integer wavelength delays in...
- Patent number 12,105,187
- Issue date Oct 1, 2024
- RTR Technologies, Inc.
- David Farrell
- G01 - MEASURING TESTING
Information Patent Grant
Handheld devices for use in medical procedures
- Patent number 11,992,227
- Issue date May 28, 2024
- EDGe Surgical, Inc.
- Tomas Matusaitis
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Radio frequency (RF) ranging in propagation limited RF environments...
- Patent number 11,971,492
- Issue date Apr 30, 2024
- RTR Technologies, Inc.
- David Farrell
- G01 - MEASURING TESTING
Information Patent Grant
Dual frequency ranging with calculated integer wavelength delays in...
- Patent number 11,719,806
- Issue date Aug 8, 2023
- RTR Technologies
- David Farrell
- G01 - MEASURING TESTING
Information Patent Grant
Radio frequency (RF) ranging in propagation limited RF environments...
- Patent number 11,693,127
- Issue date Jul 4, 2023
- RTR Technologies
- David Farrell
- G01 - MEASURING TESTING
Information Patent Grant
Radio frequency (RF) ranging in propagation limited RF environments...
- Patent number 11,275,181
- Issue date Mar 15, 2022
- RTR Technologies
- David Farrell
- G01 - MEASURING TESTING
Information Patent Grant
Automated external defibrillator device and methods of use
- Patent number 11,103,718
- Issue date Aug 31, 2021
- HeartHero, Inc.
- Gary Montague
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Radio frequency (RF) ranging in propagation limited RF environments
- Patent number 11,035,947
- Issue date Jun 15, 2021
- Aerial Surveying, Inc.
- David Farrell
- G01 - MEASURING TESTING
Information Patent Grant
Radio frequency (RF) ranging in RF-opaque environments
- Patent number 10,101,435
- Issue date Oct 16, 2018
- Aerial Surveying, Inc.
- David Farrell
- G01 - MEASURING TESTING
Information Patent Grant
System and method for voltage and current sensing
- Patent number 9,921,243
- Issue date Mar 20, 2018
- Covidien LP
- Patrick J. Digmann
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Seismic-data acquisition methods and apparatus
- Patent number 7,298,671
- Issue date Nov 20, 2007
- Ascend Geo, LLC
- Russell B. Brinkmann
- G01 - MEASURING TESTING
Information Patent Grant
Hands-free wireless communication in a vehicle
- Patent number 6,377,825
- Issue date Apr 23, 2002
- CellPort Systems, Inc.
- Patrick J. Kennedy
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Ground fault interrupter
- Patent number 5,539,602
- Issue date Jul 23, 1996
- GTE Airfone Incorporated
- Alan R. Schmitz
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
HANDHELD DEVICES FOR USE IN MEDICAL PROCEDURES
- Publication number 20240307074
- Publication date Sep 19, 2024
- EDGE SURGICAL, INC.
- Tomas Matusaitis
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
RADIO FREQUENCY (RF) RANGING IN PROPAGATION LIMITED RF ENVIRONMENTS...
- Publication number 20240201398
- Publication date Jun 20, 2024
- RTR Technologies, Inc
- David Farrell
- G01 - MEASURING TESTING
Information Patent Application
RADIO FREQUENCY (RF) RANGING IN PROPAGATION LIMITED RF ENVIRONMENTS
- Publication number 20230333238
- Publication date Oct 19, 2023
- RTR Technologies, Inc
- David Farrell
- G01 - MEASURING TESTING
Information Patent Application
RADIO FREQUENCY (RF) RANGING IN PROPAGATION LIMITED RF ENVIRONMENTS...
- Publication number 20230288579
- Publication date Sep 14, 2023
- RTR Technologies, Inc
- David Farrell
- G01 - MEASURING TESTING
Information Patent Application
RADIO FREQUENCY (RF) RANGING IN PROPAGATION LIMITED RF ENVIRONMENTS...
- Publication number 20220146692
- Publication date May 12, 2022
- RTR Technologies
- David Farrell
- G01 - MEASURING TESTING
Information Patent Application
AUTOMATED EXTERNAL DEFIBRILLATOR SYSTEMS AND METHODS OF USE
- Publication number 20210387012
- Publication date Dec 16, 2021
- HeartHero, Inc.
- Gary Montague
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
RADIO FREQUENCY (RF) RANGING IN PROPAGATION LIMITED RF ENVIRONMENTS
- Publication number 20210231793
- Publication date Jul 29, 2021
- Aerial Surveying, Inc.
- David Farrell
- G01 - MEASURING TESTING
Information Patent Application
RADIO FREQUENCY (RF) RANGING IN PROPAGATION LIMITED RF ENVIRONMENTS...
- Publication number 20200363538
- Publication date Nov 19, 2020
- Aerial Surveying, Inc.
- David Farrell
- G01 - MEASURING TESTING
Information Patent Application
RADIO FREQUENCY (RF) RANGING IN PROPAGATION LIMITED RF ENVIRONMENTS
- Publication number 20200142050
- Publication date May 7, 2020
- Aerial Surveying, Inc.
- David Farrell
- G01 - MEASURING TESTING
Information Patent Application
AUTOMATIC EXTERNAL DEFIBRILLATOR DEVICE AND METHODS OF USE
- Publication number 20180169426
- Publication date Jun 21, 2018
- EIR Inc.
- Gary Montague
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
SYSTEM AND METHOD FOR VOLTAGE AND CURRENT SENSING
- Publication number 20140171935
- Publication date Jun 19, 2014
- Covidien LP
- PATRICK J. DIGMANN
- G01 - MEASURING TESTING
Information Patent Application
PRESENTATION OF READING SERVICE CHANNELS TO THE VISUALLY IMPAIRED
- Publication number 20100171886
- Publication date Jul 8, 2010
- John Wm. Anderson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHODS AND SYSTEMS FOR ACQUIRING AND PROCESSING SEISMIC DATA
- Publication number 20100100330
- Publication date Apr 22, 2010
- Ascend Geo, LLC
- Scott K. Burkholder
- G01 - MEASURING TESTING
Information Patent Application
Physiological sensor device
- Publication number 20060041200
- Publication date Feb 23, 2006
- James E. Dotter
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Methods and systems for acquiring and processing seismic data
- Publication number 20060009911
- Publication date Jan 12, 2006
- Ascend Geo, LLC
- Scott K. Burkholder
- G01 - MEASURING TESTING
Information Patent Application
Seismic-data acquisition methods and apparatus
- Publication number 20050276162
- Publication date Dec 15, 2005
- Ascend Geo, LLC
- Russell B. Brinkmann
- G01 - MEASURING TESTING

David J. Farrell

Person

Patents Grantslast 30 patents

Dual frequency ranging with calculated integer wavelength delays in...

Handheld devices for use in medical procedures

Radio frequency (RF) ranging in propagation limited RF environments...

Dual frequency ranging with calculated integer wavelength delays in...

Radio frequency (RF) ranging in propagation limited RF environments...

Radio frequency (RF) ranging in propagation limited RF environments...

Automated external defibrillator device and methods of use

Radio frequency (RF) ranging in propagation limited RF environments

Radio frequency (RF) ranging in RF-opaque environments

System and method for voltage and current sensing

Seismic-data acquisition methods and apparatus

Hands-free wireless communication in a vehicle

Ground fault interrupter

Patents Applicationslast 30 patents

HANDHELD DEVICES FOR USE IN MEDICAL PROCEDURES

RADIO FREQUENCY (RF) RANGING IN PROPAGATION LIMITED RF ENVIRONMENTS...

RADIO FREQUENCY (RF) RANGING IN PROPAGATION LIMITED RF ENVIRONMENTS

RADIO FREQUENCY (RF) RANGING IN PROPAGATION LIMITED RF ENVIRONMENTS...

RADIO FREQUENCY (RF) RANGING IN PROPAGATION LIMITED RF ENVIRONMENTS...

AUTOMATED EXTERNAL DEFIBRILLATOR SYSTEMS AND METHODS OF USE

RADIO FREQUENCY (RF) RANGING IN PROPAGATION LIMITED RF ENVIRONMENTS

RADIO FREQUENCY (RF) RANGING IN PROPAGATION LIMITED RF ENVIRONMENTS...

RADIO FREQUENCY (RF) RANGING IN PROPAGATION LIMITED RF ENVIRONMENTS

AUTOMATIC EXTERNAL DEFIBRILLATOR DEVICE AND METHODS OF USE

SYSTEM AND METHOD FOR VOLTAGE AND CURRENT SENSING

PRESENTATION OF READING SERVICE CHANNELS TO THE VISUALLY IMPAIRED

METHODS AND SYSTEMS FOR ACQUIRING AND PROCESSING SEISMIC DATA

Physiological sensor device

Methods and systems for acquiring and processing seismic data

Seismic-data acquisition methods and apparatus