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John G. McRory
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Calgary, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for pre-loading a piezoelectric transducer for...
Patent number
11,105,197
Issue date
Aug 31, 2021
Baker Hughes Oilfield Operations LLC
Xiaojun Xiao
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and apparatus for pre-loading a piezoelectric transducer for...
Patent number
10,669,842
Issue date
Jun 2, 2020
Baker Hughes, a GE company, LLC
Xiaojun Xiao
B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information
Patent Grant
Method and system for controlling voltage applied across a piezoele...
Patent number
10,465,507
Issue date
Nov 5, 2019
Baker Hughes Oilfield Operations LLC
John Godfrey McRory
B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information
Patent Grant
Acoustic transmitter for transmitting a signal through a downhole m...
Patent number
9,797,241
Issue date
Oct 24, 2017
XAcT Downhole Telemetry Inc.
John Godfrey McRory
B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information
Patent Grant
System and method for accurate wellbore placement
Patent number
8,393,412
Issue date
Mar 12, 2013
XAcT Downhole Telemetry, Inc.
Paul L. Camwell
E21 - EARTH DRILLING MINING
Information
Patent Grant
Monolithic transformer compensated circuit
Patent number
6,822,434
Issue date
Nov 23, 2004
Telecommunications Research Laboratories
James William Haslett
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Logarithmic amplifier
Patent number
6,734,712
Issue date
May 11, 2004
Telecommunications Research Laboratories
Christopher D. Holdenried
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
RF amplifier with feedback based linearization
Patent number
6,590,451
Issue date
Jul 8, 2003
Telecommunications Research Lab.
John G. McRory
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Duplexing antenna for portable radio transceiver
Patent number
6,061,024
Issue date
May 9, 2000
NovAtel Communications Ltd.
Andrew E. McGirr
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Transformer coupled stacked power amplifier
Patent number
5,867,061
Issue date
Feb 2, 1999
Northern Telecom Limited
Gordon G. Rabjohn
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
QAM detector which compensates for received symbol distortion induc...
Patent number
5,640,417
Issue date
Jun 17, 1997
Harris Canada, Inc.
Darrell W. Barabash
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Duplexing antenna for portable radio transceiver
Patent number
5,231,407
Issue date
Jul 27, 1993
NovAtel Communications, Ltd.
Andrew E. McGirr
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
METHOD AND APPARATUS FOR PRE-LOADING A PIEZOELECTRIC TRANSDUCER FOR...
Publication number
20200355068
Publication date
Nov 12, 2020
Baker Hughes Oilfield Operations LLC
Xiaojun Xiao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR PRE-LOADING A PIEZOELECTRIC TRANSDUCER FOR...
Publication number
20190301280
Publication date
Oct 3, 2019
XACT Downhole Telemetry Inc.
Xiaojun Xiao
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND SYSTEM FOR CONTROLLING VOLTAGE APPLIED ACROSS A PIEZOELE...
Publication number
20190017371
Publication date
Jan 17, 2019
XACT Downhole Telemetry Inc.
John Godfrey McRory
E21 - EARTH DRILLING MINING
Information
Patent Application
ACOUSTIC TRANSMITTER FOR TRANSMITTING A SIGNAL THROUGH A DOWNHOLE M...
Publication number
20150377017
Publication date
Dec 31, 2015
XACT Downhole Telemetry Inc.
John Godfrey McRory
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM AND METHOD FOR ACCURATE WELLBORE PLACEMENT
Publication number
20100200296
Publication date
Aug 12, 2010
Paul L. Camwell
E21 - EARTH DRILLING MINING
Information
Patent Application
Downhole Timing Recovery and Signal Detection
Publication number
20100135117
Publication date
Jun 3, 2010
XACT DOWNHOLE TELEMETRY INC.
John G McRory
E21 - EARTH DRILLING MINING
Information
Patent Application
Monolithic transformer compensated circuit
Publication number
20030141953
Publication date
Jul 31, 2003
James William Haslett
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Logarithmic amplifier
Publication number
20030030479
Publication date
Feb 13, 2003
Telecommunications Research Laboratories
Christopher D. Holdenried
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
RF amplifier with feedback based linearization
Publication number
20020089374
Publication date
Jul 11, 2002
Telecommunications Research Laboratories
John G. McRory
H03 - BASIC ELECTRONIC CIRCUITRY