Inventor
David J. Hall
Inventor
Pittsburgh, PA, US
Overview
Patents· 20 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Bprimary
A61BDiagnosis25%
G01NInvestigating or analysing materials by determining their chemical or physical properties15%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters8%
C30BSingle-crystal growth5%
H02KDynamo-electric machines5%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation5%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution5%
B64FGround or aircraft-carrier-deck installations specially adapted for use in connection with aircraft3%
B66BElevators3%
F03HProducing a reactive propulsive thrust, not otherwise provided for3%
PatentTitleYear
9,306,444'Harmonic neutralized frequency changer (HFNC) control system and a HFNC including the same'20168,788,022'N-time-gate data-type for TPSF-based optical imaging'20148,084,755'Time-domain method and apparatus for determining the depth and concentration of a fluorophore in a turbid medium'20118,076,881'System and method for controlling an electric motor'20118,021,914'Manufacture of cadmium mercury telluride'20117,960,707'Time-domain method and apparatus for determining the depth and concentration of a fluorophore in a turbid medium'20117,892,879'Manufacture of cadmium mercury telluride on patterned silicon'20117,832,385'Ripple reduction in electromagnetic launcher current from pulsed alternators'20107,720,525'Method and apparatus for combining continuous wave and time domain optical imaging'20107,286,869'Choice of wavelengths for multiwavelength optical imaging'20077,047,057'Simultaneous multiwavelength TPSF-based optical imaging'20067,019,421'Modular linear electric motor with limited stator excitation zone and stator gap compensation'20066,992,762'Method and apparatus for time resolved optical imaging of biological tissues as part of animals'20066,954,663'Continuous wave optical imaging assuming a scatter-law'20056,952,086'Linear position sensing system and coil switching methods for closed-loop control of large linear induction motor systems'20056,758,440'Electromagnetic aircraft arrestor system'20046,694,159'Choice of wavelengths for multiwavelength optical imaging'20046,095,989'Optical recognition methods for locating eyes'20005,473,301'Energy storage inductor apparatus'19955,142,861'Nonlinear electromagnetic propulsion system and method'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–2016Patents assigned to HALL DAVID J (3)· patent assignee history
1992–2016Based in Pittsburgh, PA, US· patent location history
2004–2007Patents assigned to ART ADVANCED RES TECHNOLOGIES (5)· patent assignee history
2004–2010Patents assigned to CURTISS WRIGHT ELECTRO MECHANI (4)· patent assignee history
2005–2010Based in Montreal, CA· patent location history
2006–2014Based in Montréal, CA· patent location history
2011–2016Patents assigned to CURTISS WRIGHT ELECTRO MECHANICAL CORP (2)· patent assignee history
2011–2014Patents assigned to HALL DAVID JONATHAN (2)· patent assignee history
2011Based in San Diego, CA, US· patent location history
2011Based in Malvern, GB· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ART ADVANCED RES TECHNOLOGIES | 5 | 2004–2007 |
| CURTISS WRIGHT ELECTRO MECHANI | 4 | 2004–2010 |
| HALL DAVID Jself | 3 | 1992–2016 |
| CURTISS WRIGHT ELECTRO MECHANICAL CORP | 2 | 2011–2016 |
| HALL DAVID JONATHANself | 2 | 2011–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Pittsburgh, Pennsylvania, US | 8 | 1992–2016 |
| Montréal, CA | 3 | 2006–2014 |
| San Diego, California, US | 2 | 2011 |
| Malvern, GB | 2 | 2011 |
| Montreal, CA | 2 | 2005–2010 |