Calgary
Canada
85
2024-06-13
The entities that hold a legal rights for patent applications filed by inventor Switzer David A.:
David A. Switzer from Calgary, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
ELECTRICALLY INSULATED THREADED CONNECTION
#2 | 2024-06-13EXTERNAL GAP ASSEMBLY
#3 | 2024-05-07Electrically insulated threaded connection
#4 | 2022-10-20Integrated downhole system with plural telemetry subsystems
#5 | 2022-01-06Downhole pulse generation
#6 | 2021-12-09Integrated downhole system with plural telemetry subsystems
#7 | 2019-09-19Integrated downhole system with plural telemetry subsystems
#8 | 2019-07-18Detection of downhole data telemetry signals
#9 | 2019-07-04Integrated downhole system with plural telemetry subsystems
#10 | 2019-05-23Method and apparatus for placing receiver electrodes for EM telemetry transmissions
#11 | 2019-02-14Optimizing downhole data communication with at bit sensors and nodes
#12 | 2019-01-03Multi-mode control of downhole tools
#13 | 2018-12-27Downhole electromagnetic and mud pulse telemetry apparatus
#14 | 2018-09-20Optimizing electromagnetic telemetry transmissions
#15 | 2018-09-06Electromagnetic communications system and method for a drilling operation
#16 | 2018-07-26Downhole telemetry
#17 | 2018-07-19Methods and apparatus for downhole probes
#18 | 2018-07-05Transmitting data across electrically insulating gaps in a drill string
#19 | 2018-06-28Downhole electromagnetic and mud pulse telemetry apparatus
#20 | 2018-06-28Surface display interface for data from downhole systems
#21 | 2018-05-31Electromagnetic telemetry gap sub assembly with insulating collar
#22 | 2018-05-17Axially-supported downhole probes
#23 | 2018-04-19Rotary locking sub for angular alignment of downhole sensors with high side in directional drilling
#24 | 2018-03-22Universal downhole probe system
#25 | 2017-12-21Downhole electromagnetic and mud pulse telemetry apparatus
#26 | 2017-12-14ELECTROMAGNETIC COMMUNICATIONS SYSTEM AND METHOD FOR A DRILLING OPERATION
#27 | 2017-11-23Optimizing electromagnetic telemetry transmissions
#28 | 2017-10-05Mud pulse telemetry apparatus with a pressure transducer and method of operating same
#29 | 2017-08-31Methods and apparatus for generating electromagnetic telemetry signals
#30 | 2017-08-24Back up directional and inclination sensors and method of operating same
#31 | 2017-08-17Detection of downhole data telemetry signals
#32 | 2017-07-27Downhole telemetry
#33 | 2017-07-27Optimizing downhole data communication with at bit sensors and nodes
#34 | 2017-07-20Mounting and component holder apparatuses and assemblies for holding rigid components
#35 | 2017-06-08Method and system for transmitting a data frame of an electromagnetic telemetry signal to or from a downhole location
#36 | 2017-06-08Integrated downhole system with plural telemetry subsystems
#37 | 2017-05-18Fluid pressure pulse generator for a downhole telemetry tool
#38 | 2016-11-24Downhole electromagnetic and mud pulse telemetry apparatus
#39 | 2016-07-14Optimizing electromagnetic telemetry transmissions
#40 | 2016-07-07Transmitting data across electrically insulating gaps in a drill string
#41 | 2016-07-07Downhole probe assembly with bluetooth device
#42 | 2016-06-09Downhole electromagnetic and mud pulse telemetry apparatus
#43 | 2016-05-26Methods and apparatus for generating electromagnetic telemetry signals
#44 | 2016-05-12Telemetry systems with compensation for signal degradation and related methods
#45 | 2016-05-12Downhole pocket electronics
#46 | 2016-05-05Method and apparatus for detecting gamma radiation downhole
#47 | 2016-03-17Method and system for transmitting a data frame of an electromagnetic telemetry signal to or from a downhole location
#48 | 2016-02-25Electromagnetic communications system and method for a drilling operation
#49 | 2016-02-18Method and system for transmitting a data frame of an electromagnetic telemetry signal to or from a downhole location
#50 | 2016-02-04Pinned electromagnetic telemetry gap sub assembly
#51 | 2016-01-21System and method for regulating an electromagnetic telemetry signal sent from downhole to surface
#52 | 2016-01-14Fluid pressure pulse generating apparatus and method of using same
#53 | 2016-01-14Detection of downhole data telemetry signals
#54 | 2016-01-07Integrated downhole system with plural telemetry subsystems
#55 | 2016-01-07Electromagnetic pulse downhole telemetry
#56 | 2016-01-07System and method for managing batteries for use in a downhole drilling application
#57 | 2015-12-17SYSTEM AND METHOD FOR MANAGING BATTERIES FOR USE IN A DOWNHOLE DRILLING APPLICATION
#58 | 2015-12-03Fluid pressure pulse generating apparatus with primary seal assembly, back up seal assembly and pressure compensation device and method of operating same
#59 | 2015-12-03Fluid pressure pulse generating apparatus with primary seal assembly, back up seal assembly and pressure compensation device and method of operating same
#60 | 2015-12-03Back up directional and inclination sensors and method of operating same
#61 | 2015-12-03Mounting and component holder apparatuses and assemblies for holding rigid components
#62 | 2015-11-19Downhole telemetry signal modulation using pressure pulses of multiple pulse heights
#63 | 2015-11-19Axially-supported downhole probes
#64 | 2015-11-19Electromagnetic telemetry gap sub assembly with insulating collar
#65 | 2015-11-12Mud pulse telemetry apparatus with a pressure transducer and method of operating same
#66 | 2015-11-05Method and apparatus for multi-channel downhole electromagnetic telemetry
#67 | 2015-11-05Methods and apparatus for downhole probes
#68 | 2015-11-05Apparatus for angular alignment of downhole sensors with high side in directional drilling
#69 | 2015-10-29Downhole probes and systems
#70 | 2015-10-22Fluid pressure pulse generator and method of using same
#71 | 2015-10-22Universal downhole probe system
#72 | 2015-10-22Rotary locking sub for angular alignment of downhole sensors with high side in directional drilling
#73 | 2015-10-15Fluid pressure pulse generator and method of using same
#74 | 2015-10-15Apparatus and method for coaxially joining components to resist relative rotational and longitudinal movement
#75 | 2015-10-08Fluid pressure pulse generating apparatus with primary seal assembly, back up seal assembly and pressure compensation device and method of operating same
#76 | 2015-10-08DOWNHOLE ELECTROMAGNETIC TELEMETRY APPARATUS
#77 | 2015-10-01Mud pulse telemetry apparatus with a pressure transducer and method of operating same
#78 | 2015-09-24Drill collar with integrated probe centralizer
#79 | 2015-08-20Fluid pressure pulse generator and method of using same
#80 | 2015-08-20Fluid pressure pulse generator with low and high flow modes for wellbore telemetry and method of using same
#81 | 2014-08-28Downhole telemetry
#82 | 2014-08-28Downhole electromagnetic and mud pulse telemetry apparatus
#83 | 2014-06-05Axially-supported downhole probes
#84 | 2012-09-06Spindle for mud pulse telemetry applications
#85 | 2009-02-12Spindle for mud pulse telemetry applications
782256 ⎘