Douglas M. Johnston

Person

Winchester, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Selecting an earpiece based on dynamic data
- Patent number 9,448,061
- Issue date Sep 20, 2016
- Massachusetts Institute of Technology
- Douglas P. Hart
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Three dimensional scanning using membrane with optical features
- Patent number 9,291,565
- Issue date Mar 22, 2016
- Massachusetts Institute of Technology
- Douglas P. Hart
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Digital dentistry
- Patent number 9,208,531
- Issue date Dec 8, 2015
- 3M Innovative Properties Company
- Joseph Boerjes
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Evaluating fit of an earpiece based on dynamic data
- Patent number 9,175,945
- Issue date Nov 3, 2015
- Massachusetts Institute of Technology
- Douglas P. Hart
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Inflatable membrane with hazard mitigation
- Patent number 9,170,200
- Issue date Oct 27, 2015
- Massachusetts Institute of Technology
- Douglas P. Hart
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Enhanced sensors in three dimensional scanning system
- Patent number 9,170,199
- Issue date Oct 27, 2015
- Massachusetts Institute of Technology
- Douglas P. Hart
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Inflatable membrane having non-uniform inflation characteristic
- Patent number 9,140,649
- Issue date Sep 22, 2015
- Massachusetts Institute of Technology
- Douglas P. Hart
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Positioning an input transducer for an earpiece based upon dynamic...
- Patent number 9,013,701
- Issue date Apr 21, 2015
- Massachusetts Institute of Technology
- Douglas P. Hart
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Simulating earpiece fit based upon dynamic data
- Patent number 8,874,404
- Issue date Oct 28, 2014
- Massachusetts Institute of Technology
- Douglas P. Hart
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Integrated otoscope and three dimensional scanning system
- Patent number 8,845,526
- Issue date Sep 30, 2014
- Massachusetts Institute of Technology
- Douglas P. Hart
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Using dynamic data to determine a material profile for earpiece
- Patent number 8,743,377
- Issue date Jun 3, 2014
- Massachusetts Institute of Technology
- Douglas P. Hart
- G01 - MEASURING TESTING
Information Patent Grant
Imaging shape changes in ear canals
- Patent number 8,493,574
- Issue date Jul 23, 2013
- Massachusetts Institute of Technology
- Douglas P. Hart
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Digital dentistry
- Patent number 8,454,365
- Issue date Jun 4, 2013
- 3M Innovative Properties Company
- Joseph Boerjes
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Dynamic three-dimensional imaging of ear canals
- Patent number 8,384,916
- Issue date Feb 26, 2013
- Massachusetts Institute of Technology
- Douglas P. Hart
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Ventilator control system and method
- Patent number 6,158,432
- Issue date Dec 12, 2000
- Cardiopulmonary Corporation
- James W. Biondi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Ventilator control system and method
- Patent number 5,931,160
- Issue date Aug 3, 1999
- Cardiopulmonary Corporation
- Don Gilmore
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Pneumatic system
- Patent number 5,664,563
- Issue date Sep 9, 1997
- Cardiopulmonary Corporation
- Gary Schroeder
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Cardiac synchronous ventilation
- Patent number 5,377,671
- Issue date Jan 3, 1995
- Cardiopulmonary Corporation
- James W. Biondi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
DIGITAL DENTISTRY
- Publication number 20160051348
- Publication date Feb 25, 2016
- 3M Innovative Properties Company
- Joseph Boerjes
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
SIMULATING EARPIECE FIT BASED UPON DYNAMIC DATA
- Publication number 20130197888
- Publication date Aug 1, 2013
- Massachusetts Institute of Technology
- Douglas P. Hart
- G01 - MEASURING TESTING
Information Patent Application
EVALUATING FIT OF AN EARPIECE BASED ON DYNAMIC DATA
- Publication number 20130191084
- Publication date Jul 25, 2013
- Massachusetts Institute of Technology
- Douglas P. Hart
- G01 - MEASURING TESTING
Information Patent Application
USING DYNAMIC DATA TO DETERMINE A MATERIAL PROFILE FOR EARPIECE
- Publication number 20130184846
- Publication date Jul 18, 2013
- Massachusetts Institute of Technology
- Douglas P. Hart
- G01 - MEASURING TESTING
Information Patent Application
POSITIONING AN INPUT TRANSDUCER FOR AN EARPIECE BASED UPON DYNAMIC...
- Publication number 20130182882
- Publication date Jul 18, 2013
- Massachusetts Institute of Technology
- Douglas P. Hart
- G01 - MEASURING TESTING
Information Patent Application
SELECTING AN EARPIECE BASED ON DYNAMIC DATA
- Publication number 20130179120
- Publication date Jul 11, 2013
- Massachusetts Institute of Technology
- Douglas P. Hart
- G01 - MEASURING TESTING
Information Patent Application
IMAGING SHAPE CHANGES IN EAR CANALS
- Publication number 20130152670
- Publication date Jun 20, 2013
- Douglas P. Hart
- G01 - MEASURING TESTING
Information Patent Application
CAMERA CONFIGURATION FOR THREE-DIMENSIONAL IMAGING OF INTERIOR SPACES
- Publication number 20130027516
- Publication date Jan 31, 2013
- Douglas P. Hart
- G01 - MEASURING TESTING
Information Patent Application
ENHANCED SENSORS IN THREE DIMENSIONAL SCANNING SYSTEM
- Publication number 20130002426
- Publication date Jan 3, 2013
- Douglas P. Hart
- G01 - MEASURING TESTING
Information Patent Application
THREE DIMENSIONAL SCANNING USING MEMBRANE WITH OPTICAL FEATURES
- Publication number 20130003078
- Publication date Jan 3, 2013
- Douglas P. Hart
- G01 - MEASURING TESTING
Information Patent Application
INTEGRATED OTOSCOPE AND THREE DIMENSIONAL SCANNING SYSTEM
- Publication number 20130002824
- Publication date Jan 3, 2013
- Douglas P. Hart
- G01 - MEASURING TESTING
Information Patent Application
INFLATABLE MEMBRANE HAVING NON-UNIFORM INFLATION CHARACTERISTIC
- Publication number 20120327426
- Publication date Dec 27, 2012
- Douglas P. Hart
- G01 - MEASURING TESTING
Information Patent Application
INFLATABLE MEMBRANE WITH HAZARD MITIGATION
- Publication number 20120327427
- Publication date Dec 27, 2012
- Douglas P. Hart
- G01 - MEASURING TESTING
Information Patent Application
DIGITAL DENTISTRY
- Publication number 20120231421
- Publication date Sep 13, 2012
- 3M Innovative Properties Company
- Joseph Boerjes
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
DYNAMIC THREE-DIMENSIONAL IMAGING OF EAR CANALS
- Publication number 20110290005
- Publication date Dec 1, 2011
- Douglas P. Hart
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
DIGITAL DENTISTRY
- Publication number 20090298017
- Publication date Dec 3, 2009
- 3M INNIVATIVE PROPERTIES COMPANY
- Joseph Boerjes
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Ventilator control system and method
- Publication number 20020026941
- Publication date Mar 7, 2002
- James W. Biondi
- G06 - COMPUTING CALCULATING COUNTING

Douglas M. Johnston

Person

Patents Grantslast 30 patents

Selecting an earpiece based on dynamic data

Three dimensional scanning using membrane with optical features

Digital dentistry

Evaluating fit of an earpiece based on dynamic data

Inflatable membrane with hazard mitigation

Enhanced sensors in three dimensional scanning system

Inflatable membrane having non-uniform inflation characteristic

Positioning an input transducer for an earpiece based upon dynamic...

Simulating earpiece fit based upon dynamic data

Integrated otoscope and three dimensional scanning system

Using dynamic data to determine a material profile for earpiece

Imaging shape changes in ear canals

Digital dentistry

Dynamic three-dimensional imaging of ear canals

Ventilator control system and method

Ventilator control system and method

Pneumatic system

Cardiac synchronous ventilation

Patents Applicationslast 30 patents

DIGITAL DENTISTRY

SIMULATING EARPIECE FIT BASED UPON DYNAMIC DATA

EVALUATING FIT OF AN EARPIECE BASED ON DYNAMIC DATA

USING DYNAMIC DATA TO DETERMINE A MATERIAL PROFILE FOR EARPIECE

POSITIONING AN INPUT TRANSDUCER FOR AN EARPIECE BASED UPON DYNAMIC...

SELECTING AN EARPIECE BASED ON DYNAMIC DATA

IMAGING SHAPE CHANGES IN EAR CANALS

CAMERA CONFIGURATION FOR THREE-DIMENSIONAL IMAGING OF INTERIOR SPACES

ENHANCED SENSORS IN THREE DIMENSIONAL SCANNING SYSTEM

THREE DIMENSIONAL SCANNING USING MEMBRANE WITH OPTICAL FEATURES

INTEGRATED OTOSCOPE AND THREE DIMENSIONAL SCANNING SYSTEM

INFLATABLE MEMBRANE HAVING NON-UNIFORM INFLATION CHARACTERISTIC

INFLATABLE MEMBRANE WITH HAZARD MITIGATION

DIGITAL DENTISTRY

DYNAMIC THREE-DIMENSIONAL IMAGING OF EAR CANALS

DIGITAL DENTISTRY

Ventilator control system and method