David A. Switzer

Person

Calgary, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Electrically insulated threaded connection
- Patent number 11,976,758
- Issue date May 7, 2024
- QUANTUM ENERGY TECHNOLOGIES LLC
- David A. Switzer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Integrated downhole system with plural telemetry subsystems
- Patent number 11,649,720
- Issue date May 16, 2023
- Aaron W. Logan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole pulse generation
- Patent number 11,391,105
- Issue date Jul 19, 2022
- QUANTUM ENERGY TECHNOLOGIES LLC
- David A. Switzer
- E21 - EARTH DRILLING MINING
Information Patent Grant
Integrated downhole system with plural telemetry subsystems
- Patent number 11,359,483
- Issue date Jun 14, 2022
- Evolution Engineering Inc.
- Aaron W. Logan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Integrated downhole system with plural telemetry subsystems
- Patent number 11,073,015
- Issue date Jul 27, 2021
- Evolution Engineering Inc.
- Aaron W. Logan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Multi-mode control of downhole tools
- Patent number 10,954,781
- Issue date Mar 23, 2021
- Evolution Engineering Inc.
- Aaron W. Logan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for placing receiver electrodes for EM telemet...
- Patent number 10,901,108
- Issue date Jan 26, 2021
- Evolution Engineering Inc.
- David A. Switzer
- G01 - MEASURING TESTING
Information Patent Grant
Mud pulse telemetry apparatus with a pressure transducer and method...
- Patent number 10,753,201
- Issue date Aug 25, 2020
- Aaron W. Logan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Integrated downhole system with plural telemetry subsystems
- Patent number 10,731,459
- Issue date Aug 4, 2020
- Evolution Engineering Inc.
- Aaron W. Logan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mounting and component holder apparatuses and assemblies for holdin...
- Patent number 10,729,029
- Issue date Jul 28, 2020
- Evolution Engineering Inc.
- Aaron W. Logan
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Methods and apparatus for downhole probes
- Patent number 10,598,000
- Issue date Mar 24, 2020
- Evolution Engineering Inc.
- Jili (Jerry) Liu
- E21 - EARTH DRILLING MINING
Information Patent Grant
Detection of downhole data telemetry signals
- Patent number 10,570,726
- Issue date Feb 25, 2020
- Evolution Engineering Inc.
- Aaron W. Logan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmitting data across electrically insulating gaps in a drill st...
- Patent number 10,563,503
- Issue date Feb 18, 2020
- Evolution Engineering Inc.
- David A. Switzer
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotary locking sub for angular alignment of downhole sensors with h...
- Patent number 10,513,892
- Issue date Dec 24, 2019
- Evolution Engineering Inc.
- Aaron W. Logan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Universal downhole probe system
- Patent number 10,494,879
- Issue date Dec 3, 2019
- Evolution Engineering Inc.
- Aaron W. Logan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Electromagnetic communications system and method for a drilling ope...
- Patent number 10,443,374
- Issue date Oct 15, 2019
- Evolution Engineering Inc.
- David A. Switzer
- E21 - EARTH DRILLING MINING
Information Patent Grant
Electromagnetic telemetry gap sub assembly with insulating collar
- Patent number 10,400,520
- Issue date Sep 3, 2019
- Evolution Engineering Inc.
- Aaron W. Logan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill collar with integrated probe centralizer
- Patent number 10,352,111
- Issue date Jul 16, 2019
- Evolution Engineering Inc.
- Aaron W. Logan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Surface display interface for data from downhole systems
- Patent number 10,329,901
- Issue date Jun 25, 2019
- Evolution Engineering Inc.
- David A. Switzer
- E21 - EARTH DRILLING MINING
Information Patent Grant
Axially-supported downhole probes
- Patent number 10,287,871
- Issue date May 14, 2019
- Evolution Engineering Inc.
- Aaron W. Logan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Optimizing downhole data communication with at bit sensors and nodes
- Patent number 10,280,741
- Issue date May 7, 2019
- Evolution Engineering Inc.
- Patrick R. Derkacz
- E21 - EARTH DRILLING MINING
Information Patent Grant
Integrated downhole system with plural telemetry subsystems
- Patent number 10,253,621
- Issue date Apr 9, 2019
- Evolution Engineering Inc.
- Aaron W. Logan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optimizing electromagnetic telemetry transmissions
- Patent number 10,233,747
- Issue date Mar 19, 2019
- Evolution Engineering Inc.
- Jili Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for angular alignment of downhole sensors with high side...
- Patent number 10,214,971
- Issue date Feb 26, 2019
- Evolution Engineering Inc.
- Aaron W. Logan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole electromagnetic and mud pulse telemetry apparatus
- Patent number 10,215,021
- Issue date Feb 26, 2019
- Evolution Engineering Inc.
- David A. Switzer
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and system for transmitting a data frame of an electromagnet...
- Patent number 10,202,844
- Issue date Feb 12, 2019
- Evoution Engineering Inc.
- David A. Switzer
- G08 - SIGNALLING
Information Patent Grant
Detection of downhole data telemetry signals
- Patent number 10,196,892
- Issue date Feb 5, 2019
- Evolution Engineering Inc.
- Aaron W. Logan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole telemetry
- Patent number 10,151,196
- Issue date Dec 11, 2018
- Evolution Engineering Inc.
- Aaron W. Logan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Optimizing downhole data communication with at bit sensors and nodes
- Patent number 10,119,393
- Issue date Nov 6, 2018
- Evolution Engineering Inc.
- Patrick R. Derkacz
- E21 - EARTH DRILLING MINING
Information Patent Grant
Axially-supported downhole probes
- Patent number 10,113,412
- Issue date Oct 30, 2018
- Evolution Engineering Inc.
- Aaron W. Logan
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
ELECTRICALLY INSULATED THREADED CONNECTION
- Publication number 20240191816
- Publication date Jun 13, 2024
- Quantum Energy Technologies LLC
- David A. Switzer
- E21 - EARTH DRILLING MINING
Information Patent Application
EXTERNAL GAP ASSEMBLY
- Publication number 20240191582
- Publication date Jun 13, 2024
- Quantum Energy Technologies LLC
- David A. Switzer
- E21 - EARTH DRILLING MINING
Information Patent Application
INTEGRATED DOWNHOLE SYSTEM WITH PLURAL TELEMETRY SUBSYSTEMS
- Publication number 20220333483
- Publication date Oct 20, 2022
- Evolution Engineering Inc.
- Aaron W. LOGAN
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWNHOLE PULSE GENERATION
- Publication number 20220003063
- Publication date Jan 6, 2022
- Alliance OFS Solutions LLC
- David A. Switzer
- E21 - EARTH DRILLING MINING
Information Patent Application
INTEGRATED DOWNHOLE SYSTEM WITH PLURAL TELEMETRY SUBSYSTEMS
- Publication number 20210381367
- Publication date Dec 9, 2021
- Evolution Engineering Inc.
- Aaron W. LOGAN
- E21 - EARTH DRILLING MINING
Information Patent Application
ELECTROMAGNETIC COMMUNICATIONS SYSTEM AND METHOD FOR A DRILLING OPE...
- Publication number 20200088026
- Publication date Mar 19, 2020
- Evolution Engineering Inc.
- Barry Daniel Buternowsky
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INTEGRATED DOWNHOLE SYSTEM WITH PLURAL TELEMETRY SUBSYSTEMS
- Publication number 20190284930
- Publication date Sep 19, 2019
- Evolution Engineering Inc.
- Aaron W. LOGAN
- E21 - EARTH DRILLING MINING
Information Patent Application
DETECTION OF DOWNHOLE DATA TELEMETRY SIGNALS
- Publication number 20190218908
- Publication date Jul 18, 2019
- Evolution Engineering Inc.
- Aaron W. LOGAN
- E21 - EARTH DRILLING MINING
Information Patent Application
INTEGRATED DOWNHOLE SYSTEM WITH PLURAL TELEMETRY SUBSYSTEMS
- Publication number 20190203589
- Publication date Jul 4, 2019
- Evolution Engineering Inc.
- Aaron W. LOGAN
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD AND APPARATUS FOR PLACING RECEIVER ELECTRODES FOR EM TELEMET...
- Publication number 20190154866
- Publication date May 23, 2019
- Evolution Engineering Inc.
- David A. SWITZER
- E21 - EARTH DRILLING MINING
Information Patent Application
OPTIMIZING DOWNHOLE DATA COMMUNICATION WITH AT BIT SENSORS AND NODES
- Publication number 20190048713
- Publication date Feb 14, 2019
- Evolution Engineering Inc.
- Patrick R. DERKACZ
- E21 - EARTH DRILLING MINING
Information Patent Application
MULTI-MODE CONTROL OF DOWNHOLE TOOLS
- Publication number 20190003302
- Publication date Jan 3, 2019
- Evolution Engineering Inc.
- Aaron W. LOGAN
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWNHOLE ELECTROMAGNETIC AND MUD PULSE TELEMETRY APPARATUS
- Publication number 20180371899
- Publication date Dec 27, 2018
- Evolution Engineering Inc.
- David A. Switzer
- E21 - EARTH DRILLING MINING
Information Patent Application
OPTIMIZING ELECTROMAGNETIC TELEMETRY TRANSMISSIONS
- Publication number 20180266242
- Publication date Sep 20, 2018
- Evolution Engineering Inc.
- Jili LIU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ELECTROMAGNETIC COMMUNICATIONS SYSTEM AND METHOD FOR A DRILLING OPE...
- Publication number 20180252096
- Publication date Sep 6, 2018
- Evolution Engineering Inc.
- David A. Switzer
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWNHOLE TELEMETRY
- Publication number 20180209264
- Publication date Jul 26, 2018
- Evolution Engineering Inc.
- Aaron W. LOGAN
- E21 - EARTH DRILLING MINING
Information Patent Application
METHODS AND APPARATUS FOR DOWNHOLE PROBES
- Publication number 20180202282
- Publication date Jul 19, 2018
- Evolution Engineering Inc.
- Jili (Jerry) LIU
- E21 - EARTH DRILLING MINING
Information Patent Application
TRANSMITTING DATA ACROSS ELECTRICALLY INSULATING GAPS IN A DRILL ST...
- Publication number 20180187545
- Publication date Jul 5, 2018
- Evolution Engineering Inc.
- David A. SWITZER
- E21 - EARTH DRILLING MINING
Information Patent Application
SURFACE DISPLAY INTERFACE FOR DATA FROM DOWNHOLE SYSTEMS
- Publication number 20180179888
- Publication date Jun 28, 2018
- Evolution Engineering Inc.
- David A. SWITZER
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWNHOLE ELECTROMAGNETIC AND MUD PULSE TELEMETRY APPARATUS
- Publication number 20180179889
- Publication date Jun 28, 2018
- Evolution Engineering Inc.
- David A. Switzer
- E21 - EARTH DRILLING MINING
Information Patent Application
ELECTROMAGNETIC TELEMETRY GAP SUB ASSEMBLY WITH INSULATING COLLAR
- Publication number 20180148984
- Publication date May 31, 2018
- Evolution Engineering Inc.
- Aaron W. LOGAN
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
AXIALLY-SUPPORTED DOWNHOLE PROBES
- Publication number 20180135406
- Publication date May 17, 2018
- Evolution Engineering Inc.
- Aaron W. Logan
- E21 - EARTH DRILLING MINING
Information Patent Application
ROTARY LOCKING SUB FOR ANGULAR ALIGNMENT OF DOWNHOLE SENSORS WITH H...
- Publication number 20180106116
- Publication date Apr 19, 2018
- Evolution Engineering Inc.
- Aaron W. Logan
- E21 - EARTH DRILLING MINING
Information Patent Application
UNIVERSAL DOWNHOLE PROBE SYSTEM
- Publication number 20180080289
- Publication date Mar 22, 2018
- Evolution Engineering Inc.
- Aaron W. Logan
- E21 - EARTH DRILLING MINING
Information Patent Application
DEVICE AND METHOD FOR SECURING CONDUIT INTERIOR WEAR SLEEVE
- Publication number 20180044999
- Publication date Feb 15, 2018
- Evolution Engineering Inc.
- Luke Anthony Stack
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWNHOLE ELECTROMAGNETIC AND MUD PULSE TELEMETRY APPARATUS
- Publication number 20170362934
- Publication date Dec 21, 2017
- Evolution Engineering Inc.
- David A. Switzer
- E21 - EARTH DRILLING MINING
Information Patent Application
ELECTROMAGNETIC COMMUNICATIONS SYSTEM AND METHOD FOR A DRILLING OPE...
- Publication number 20170356288
- Publication date Dec 14, 2017
- Evolution Engineering Inc.
- David A. Switzer
- E21 - EARTH DRILLING MINING
Information Patent Application
OPTIMIZING ELECTROMAGNETIC TELEMETRY TRANSMISSIONS
- Publication number 20170335680
- Publication date Nov 23, 2017
- Evolution Engineering Inc.
- Jili LIU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MUD PULSE TELEMETRY APPARATUS WITH A PRESSURE TRANSDUCER AND METHOD...
- Publication number 20170284194
- Publication date Oct 5, 2017
- Evolution Engineering Inc.
- Aaron W. LOGAN
- E21 - EARTH DRILLING MINING
Information Patent Application
METHODS AND APPARATUS FOR GENERATING ELECTROMAGNETIC TELEMETRY SIGNALS
- Publication number 20170247952
- Publication date Aug 31, 2017
- Evolution Engineering Inc.
- Aaron W. LOGAN
- E21 - EARTH DRILLING MINING

David A. Switzer

Person

Patents Grantslast 30 patents

Electrically insulated threaded connection

Integrated downhole system with plural telemetry subsystems

Downhole pulse generation

Integrated downhole system with plural telemetry subsystems

Integrated downhole system with plural telemetry subsystems

Multi-mode control of downhole tools

Method and apparatus for placing receiver electrodes for EM telemet...

Mud pulse telemetry apparatus with a pressure transducer and method...

Integrated downhole system with plural telemetry subsystems

Mounting and component holder apparatuses and assemblies for holdin...

Methods and apparatus for downhole probes

Detection of downhole data telemetry signals

Transmitting data across electrically insulating gaps in a drill st...

Rotary locking sub for angular alignment of downhole sensors with h...

Universal downhole probe system

Electromagnetic communications system and method for a drilling ope...

Electromagnetic telemetry gap sub assembly with insulating collar

Drill collar with integrated probe centralizer

Surface display interface for data from downhole systems

Axially-supported downhole probes

Optimizing downhole data communication with at bit sensors and nodes

Integrated downhole system with plural telemetry subsystems

Optimizing electromagnetic telemetry transmissions

Apparatus for angular alignment of downhole sensors with high side...

Downhole electromagnetic and mud pulse telemetry apparatus

Method and system for transmitting a data frame of an electromagnet...

Detection of downhole data telemetry signals

Downhole telemetry

Optimizing downhole data communication with at bit sensors and nodes

Axially-supported downhole probes

Patents Applicationslast 30 patents

ELECTRICALLY INSULATED THREADED CONNECTION

EXTERNAL GAP ASSEMBLY

INTEGRATED DOWNHOLE SYSTEM WITH PLURAL TELEMETRY SUBSYSTEMS

DOWNHOLE PULSE GENERATION

INTEGRATED DOWNHOLE SYSTEM WITH PLURAL TELEMETRY SUBSYSTEMS

ELECTROMAGNETIC COMMUNICATIONS SYSTEM AND METHOD FOR A DRILLING OPE...

INTEGRATED DOWNHOLE SYSTEM WITH PLURAL TELEMETRY SUBSYSTEMS

DETECTION OF DOWNHOLE DATA TELEMETRY SIGNALS

INTEGRATED DOWNHOLE SYSTEM WITH PLURAL TELEMETRY SUBSYSTEMS

METHOD AND APPARATUS FOR PLACING RECEIVER ELECTRODES FOR EM TELEMET...

OPTIMIZING DOWNHOLE DATA COMMUNICATION WITH AT BIT SENSORS AND NODES

MULTI-MODE CONTROL OF DOWNHOLE TOOLS

DOWNHOLE ELECTROMAGNETIC AND MUD PULSE TELEMETRY APPARATUS

OPTIMIZING ELECTROMAGNETIC TELEMETRY TRANSMISSIONS

ELECTROMAGNETIC COMMUNICATIONS SYSTEM AND METHOD FOR A DRILLING OPE...

DOWNHOLE TELEMETRY

METHODS AND APPARATUS FOR DOWNHOLE PROBES

TRANSMITTING DATA ACROSS ELECTRICALLY INSULATING GAPS IN A DRILL ST...

SURFACE DISPLAY INTERFACE FOR DATA FROM DOWNHOLE SYSTEMS

DOWNHOLE ELECTROMAGNETIC AND MUD PULSE TELEMETRY APPARATUS

ELECTROMAGNETIC TELEMETRY GAP SUB ASSEMBLY WITH INSULATING COLLAR

AXIALLY-SUPPORTED DOWNHOLE PROBES

ROTARY LOCKING SUB FOR ANGULAR ALIGNMENT OF DOWNHOLE SENSORS WITH H...

UNIVERSAL DOWNHOLE PROBE SYSTEM

DEVICE AND METHOD FOR SECURING CONDUIT INTERIOR WEAR SLEEVE

DOWNHOLE ELECTROMAGNETIC AND MUD PULSE TELEMETRY APPARATUS

ELECTROMAGNETIC COMMUNICATIONS SYSTEM AND METHOD FOR A DRILLING OPE...

OPTIMIZING ELECTROMAGNETIC TELEMETRY TRANSMISSIONS

MUD PULSE TELEMETRY APPARATUS WITH A PRESSURE TRANSDUCER AND METHOD...

METHODS AND APPARATUS FOR GENERATING ELECTROMAGNETIC TELEMETRY SIGNALS