MARK A. JOHNSTON

Person

BOULDER, CO, US

People

Patents Grantslast 30 patents

Information Patent Grant
Thermal cutting elements, electrosurgical instruments including the...
- Patent number 12,049,706
- Issue date Jul 30, 2024
- Covidien LP
- William Robinson
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Control systems for electrosurgical generator
- Patent number 11,969,201
- Issue date Apr 30, 2024
- Covidien LP
- Robert H. Wham
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Thermal cutting elements, electrosurgical instruments including the...
- Patent number 11,365,490
- Issue date Jun 21, 2022
- Covidien LP
- William Robinson
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Control systems for electrosurgical generator
- Patent number 11,090,106
- Issue date Aug 17, 2021
- Covidien LP
- Robert H. Wham
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Electrosurgical generators and sensors
- Patent number 10,987,154
- Issue date Apr 27, 2021
- Covidien LP
- Dean C. Buck
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
System and method for high frequency leakage reduction through sele...
- Patent number 10,869,712
- Issue date Dec 22, 2020
- Covidien LP
- Daniel A. Friedrichs
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
System and method for detecting and supressing arc formation during...
- Patent number 10,507,054
- Issue date Dec 17, 2019
- Covidien LP
- Mark A. Johnston
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Planar transformers having reduced termination losses
- Patent number 10,390,876
- Issue date Aug 27, 2019
- Covidien LP
- Mark A. Johnston
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Electrosurgical generators and sensors
- Patent number 10,292,753
- Issue date May 21, 2019
- Covidien LP
- Dean C. Buck
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Electrosurgical generators and sensors
- Patent number 10,278,764
- Issue date May 7, 2019
- Covidien LP
- Dean C. Buck
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Electrosurgical generators and sensors
- Patent number 10,281,496
- Issue date May 7, 2019
- Covidien LP
- Dean C. Buck
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Systems and methods for improving efficiency of electrosurgical gen...
- Patent number 9,839,469
- Issue date Dec 12, 2017
- Covidien LP
- James A. Gilbert
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Systems and methods for improving efficiency of electrosurgical gen...
- Patent number 9,770,283
- Issue date Sep 26, 2017
- Covidien LP
- James A. Gilbert
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Current-fed push-pull converter with passive voltage clamp
- Patent number 9,522,041
- Issue date Dec 20, 2016
- Covidien LP
- Mark A. Johnston
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Methods of manufacturing planar transformers
- Patent number 9,449,746
- Issue date Sep 20, 2016
- Covidien LP
- Mark A. Johnston
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
System and method for detecting and suppressing arc formation durin...
- Patent number 9,265,560
- Issue date Feb 23, 2016
- Covidien LP
- Mark A. Johnston
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Planar transformers having reduced termination losses
- Patent number 9,196,414
- Issue date Nov 24, 2015
- Covidien LP
- Mark A. Johnston
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
System and method for DC tissue impedance sensing
- Patent number 9,033,973
- Issue date May 19, 2015
- Covidien LP
- James E. Krapohl
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Current-fed push-pull converter with passive voltage clamp
- Patent number 8,617,154
- Issue date Dec 31, 2013
- Covidien LP
- Mark A. Johnston
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
THERMAL CUTTING ELEMENTS, ELECTROSURGICAL INSTRUMENTS INCLUDING THE...
- Publication number 20240360581
- Publication date Oct 31, 2024
- Covidien LP
- William Robinson
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
CONTROL SYSTEMS FOR ELECTROSURGICAL GENERATOR
- Publication number 20240293166
- Publication date Sep 5, 2024
- Covidien LP
- Robert H. Wham
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
MULTIPLEXED HAND SWITCHES FOR USE WITH ELECTROSURGICAL GENERATORS
- Publication number 20230108257
- Publication date Apr 6, 2023
- Covidien LP
- Lewis R. Puterbaugh
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
MULTIPLEXED HAND SWITCHES FOR USE WITH ELECTROSURGICAL GENERATORS
- Publication number 20220387093
- Publication date Dec 8, 2022
- Covidien LP
- Mark A. Johnston
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
CONTROL SYSTEMS FOR ELECTROSURGICAL GENERATOR
- Publication number 20210369324
- Publication date Dec 2, 2021
- Covidien LP
- Robert H. Wham
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
THERMAL CUTTING-ASSISTED TISSUE RESECTION DEVICES AND SYSTEMS
- Publication number 20210282837
- Publication date Sep 16, 2021
- Covidien LP
- Kenneth E. Netzel
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
THERMAL CUTTING ELEMENTS, ELECTROSURGICAL INSTRUMENTS INCLUDING THE...
- Publication number 20210189583
- Publication date Jun 24, 2021
- Covidien LP
- William Robinson
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
THERMAL CUTTING ELEMENTS, ELECTROSURGICAL INSTRUMENTS INCLUDING THE...
- Publication number 20210186587
- Publication date Jun 24, 2021
- Covidien LP
- William Robinson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
ELECTROSURGICAL GENERATORS AND SENSORS
- Publication number 20190290351
- Publication date Sep 26, 2019
- Covidien LP
- DEAN C. BUCK
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
SYSTEM AND METHOD FOR HIGH FREQUENCY LEAKAGE REDUCTION THROUGH SELE...
- Publication number 20170312005
- Publication date Nov 2, 2017
- Covidien LP
- DANIEL A. FRIEDRICHS
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
PLANAR TRANSFORMERS HAVING REDUCED TERMINATION LOSSES
- Publication number 20170007313
- Publication date Jan 12, 2017
- Covidien LP
- MARK A. JOHNSTON
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
CONTROL SYSTEMS FOR ELECTROSURGICAL GENERATOR
- Publication number 20160310202
- Publication date Oct 27, 2016
- Covidien LP
- ROBERT H. WHAM
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
SYSTEM AND METHOD FOR DETECTING AND SUPRESSING ARC FORMATION DURING...
- Publication number 20160166312
- Publication date Jun 16, 2016
- Covidien LP
- MARK A. JOHNSTON
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
ELECTROSURGICAL GENERATORS AND SENSORS
- Publication number 20160151106
- Publication date Jun 2, 2016
- Covidien LP
- DEAN C. BUCK
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
ELECTROSURGICAL GENERATORS AND SENSORS
- Publication number 20160154034
- Publication date Jun 2, 2016
- Covidien LP
- DEAN C. BUCK
- G01 - MEASURING TESTING
Information Patent Application
ELECTROSURGICAL GENERATORS AND SENSORS
- Publication number 20160151109
- Publication date Jun 2, 2016
- Covidien LP
- DEAN C. BUCK
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
SYSTEM AND METHOD FOR DC TISSUE IMPEDANCE SENSING
- Publication number 20150223865
- Publication date Aug 13, 2015
- Covidien LP
- JAMES E. KRAPOHL
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
SYSTEMS AND METHODS FOR IMPROVING EFFICIENCY OF ELECTROSURGICAL GEN...
- Publication number 20150088117
- Publication date Mar 26, 2015
- Covidien LP
- JAMES A. GILBERT
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
SYSTEMS AND METHODS FOR IMPROVING EFFICIENCY OF ELECTROSURGICAL GEN...
- Publication number 20150088118
- Publication date Mar 26, 2015
- Covidien LP
- JAMES A. GILBERT
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
CURRENT-FED PUSH-PULL CONVERTER WITH PASSIVE VOLTAGE CLAMP
- Publication number 20140114303
- Publication date Apr 24, 2014
- Covidien LP
- MARK A. JOHNSTON
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
PLANAR TRANSFORMERS HAVING REDUCED TERMINATION LOSSES
- Publication number 20140104028
- Publication date Apr 17, 2014
- Covidien LP
- MARK A. JOHNSTON
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PLANAR TRANSFORMERS HAVING REDUCED TERMINATION LOSSES
- Publication number 20140107641
- Publication date Apr 17, 2014
- Covidien LP
- MARK A. JOHNSTON
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
System and Method for DC Tissue Impedance Sensing
- Publication number 20130053840
- Publication date Feb 28, 2013
- TYCO Healthcare Group LP
- James E. Krapohl
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
System and Method for Detecting and Suppressing Arc Formation Durin...
- Publication number 20120220997
- Publication date Aug 30, 2012
- TYCO Healthcare Group LP
- Mark A. Johnston
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Current-Fed Push-Pull Converter with Passive Voltage Clamp
- Publication number 20110319881
- Publication date Dec 29, 2011
- Tyco Healthcare Group LP
- Mark A. Johnston
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

MARK A. JOHNSTON

Person

Patents Grantslast 30 patents

Thermal cutting elements, electrosurgical instruments including the...

Control systems for electrosurgical generator

Thermal cutting elements, electrosurgical instruments including the...

Control systems for electrosurgical generator

Electrosurgical generators and sensors

System and method for high frequency leakage reduction through sele...

System and method for detecting and supressing arc formation during...

Planar transformers having reduced termination losses

Electrosurgical generators and sensors

Electrosurgical generators and sensors

Electrosurgical generators and sensors

Systems and methods for improving efficiency of electrosurgical gen...

Systems and methods for improving efficiency of electrosurgical gen...

Current-fed push-pull converter with passive voltage clamp

Methods of manufacturing planar transformers

System and method for detecting and suppressing arc formation durin...

Planar transformers having reduced termination losses

System and method for DC tissue impedance sensing

Current-fed push-pull converter with passive voltage clamp

Patents Applicationslast 30 patents

THERMAL CUTTING ELEMENTS, ELECTROSURGICAL INSTRUMENTS INCLUDING THE...

CONTROL SYSTEMS FOR ELECTROSURGICAL GENERATOR

MULTIPLEXED HAND SWITCHES FOR USE WITH ELECTROSURGICAL GENERATORS

MULTIPLEXED HAND SWITCHES FOR USE WITH ELECTROSURGICAL GENERATORS

CONTROL SYSTEMS FOR ELECTROSURGICAL GENERATOR

THERMAL CUTTING-ASSISTED TISSUE RESECTION DEVICES AND SYSTEMS

THERMAL CUTTING ELEMENTS, ELECTROSURGICAL INSTRUMENTS INCLUDING THE...

THERMAL CUTTING ELEMENTS, ELECTROSURGICAL INSTRUMENTS INCLUDING THE...

ELECTROSURGICAL GENERATORS AND SENSORS

SYSTEM AND METHOD FOR HIGH FREQUENCY LEAKAGE REDUCTION THROUGH SELE...

PLANAR TRANSFORMERS HAVING REDUCED TERMINATION LOSSES

CONTROL SYSTEMS FOR ELECTROSURGICAL GENERATOR

SYSTEM AND METHOD FOR DETECTING AND SUPRESSING ARC FORMATION DURING...

ELECTROSURGICAL GENERATORS AND SENSORS

ELECTROSURGICAL GENERATORS AND SENSORS

ELECTROSURGICAL GENERATORS AND SENSORS

SYSTEM AND METHOD FOR DC TISSUE IMPEDANCE SENSING

SYSTEMS AND METHODS FOR IMPROVING EFFICIENCY OF ELECTROSURGICAL GEN...

SYSTEMS AND METHODS FOR IMPROVING EFFICIENCY OF ELECTROSURGICAL GEN...

CURRENT-FED PUSH-PULL CONVERTER WITH PASSIVE VOLTAGE CLAMP

PLANAR TRANSFORMERS HAVING REDUCED TERMINATION LOSSES

PLANAR TRANSFORMERS HAVING REDUCED TERMINATION LOSSES

System and Method for DC Tissue Impedance Sensing

System and Method for Detecting and Suppressing Arc Formation Durin...

Current-Fed Push-Pull Converter with Passive Voltage Clamp