DIFFERENTIAL DYNAMICS, INC.

Organization

ST. PAUL, MN, US

Organizations

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Voltage converter-controlled damless hydrokinetic river turbines
- Patent number 11,111,898
- Issue date Sep 7, 2021
- Differential Dynamics Corporation
- Kyung Soo Han
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
River and tidal turbine with power control
- Patent number 10,982,645
- Issue date Apr 20, 2021
- Differential Dynamics Corporation
- Kyung Soo Han
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Expandable power marine hydrokinetic turbines, pumps, compressors a...
- Patent number 10,947,956
- Issue date Mar 16, 2021
- Differential Dynamics Corporation
- Kyung Soo Han
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Electro-magnetic ratchet control apparatus and method
- Patent number 10,948,058
- Issue date Mar 16, 2021
- Differential Dynamics Corporation
- Kyung Soo Han
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Speed converter-controlled river turbines
- Patent number 10,941,749
- Issue date Mar 9, 2021
- Differential Dynamics Corporation
- Kyung Soo Han
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Concentric wing turbines
- Patent number 10,815,968
- Issue date Oct 27, 2020
- Differential Dynamics Corporation
- Kyung Soo Han
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Commutator-less and brush-less direct current generator and applica...
- Patent number 10,378,506
- Issue date Aug 13, 2019
- Differential Dynamics Corporation
- Kyung Soo Han
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Renewable energy marine hydrokinetic or wind turbine
- Patent number 9,912,209
- Issue date Mar 6, 2018
- Differential Dynamics Corporation
- Kyung Soo Han
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Three variable and four variable transgear assemblies
- Patent number 9,506,534
- Issue date Nov 29, 2016
- Differential Dynamics Corporation
- Kyung Soo Han
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Adjustable assembly of rotor and stator and applications thereof wi...
- Patent number 9,490,736
- Issue date Nov 8, 2016
- Differential Dynamics Corporation
- Kyung Soo Han
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Marine hydrokinetic turbine
- Patent number 9,476,401
- Issue date Oct 25, 2016
- Differential Dynamics Corporation
- Kyung Soo Han
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
One-stroke internal combustion engine
- Patent number 9,371,775
- Issue date Jun 21, 2016
- Differential Dynamics Corporation
- Kyung Soo Han
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Three variable and four variable transgear assemblies
- Patent number 9,303,733
- Issue date Apr 5, 2016
- Differential Dynamics Corporation
- Kyung Soo Han
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
One-stroke internal combustion engine
- Patent number 9,169,772
- Issue date Oct 27, 2015
- Differential Dynamics Corporation
- Kyung Soo Han
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Run-of-the-river or ocean current turbine
- Patent number 9,151,269
- Issue date Oct 6, 2015
- Differential Dynamics Corporation
- Kyung Soo Han
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Infinitely variable motion control (IVMC) for generators, transmiss...
- Patent number 9,017,208
- Issue date Apr 28, 2015
- Differential Dynamics Corporation
- Kyung Soo Han
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Infinitely variable pumps and compressors
- Patent number 8,992,370
- Issue date Mar 31, 2015
- Differential Dynamics Corporation
- Kyung Soo Han
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Infinitely variable direction control
- Patent number 8,986,149
- Issue date Mar 24, 2015
- Differential Dynamics Corporation
- Kyung Soo Han
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Infinitely variable motion control (IVMC) for a transmission with a...
- Patent number 8,702,552
- Issue date Apr 22, 2014
- Differential Dynamics Corporation
- Kyung Soo Han
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Infinitely variable motion control (IVMC) for generators, transmiss...
- Patent number 8,641,570
- Issue date Feb 4, 2014
- Differential Dynamics Corporation
- Kyung Soo Han
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Infinitely variable motion control (IVMC) for river turbines
- Patent number 8,485,933
- Issue date Jul 16, 2013
- Differential Dynamics Corporation
- Kyung Soo Han
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
System and method for providing a constant output from a variable f...
- Patent number 8,388,481
- Issue date Mar 5, 2013
- Differential Dynamics Corporation
- Kyung Soo Han
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Variable motion control devices for transmission and other implemen...
- Patent number 7,731,616
- Issue date Jun 8, 2010
- Differential Dynamics Corporation
- Kyung Soo Han
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Variable motion control device and method of use
- Patent number 7,731,619
- Issue date Jun 8, 2010
- Differential Dynamics Corporation
- Kyung Soo Han
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Variable motion control device and method of use
- Patent number 7,462,124
- Issue date Dec 9, 2008
- Differential Dynamics Corporation
- Kyung Soo Han
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
CONVERTING VARIABLE RENEWABLE ENERGY TO CONSTANT FREQUENCY ELECTRIC...
- Publication number 20230011200
- Publication date Jan 12, 2023
- DIFFERENTIAL DYNAMICS CORPORATION
- Kyung Soo Han
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
VOLTAGE CONVERTER-CONTROLLED DAMLESS HYDROKINETIC RIVER TURBINES
- Publication number 20210180559
- Publication date Jun 17, 2021
- DIFFERENTIAL DYNAMICS CORPORATION
- Kyung Soo Han
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
Speed Converter-Controlled River Turbines
- Publication number 20200095974
- Publication date Mar 26, 2020
- DIFFERENTIAL DYNAMICS CORPORATION
- Kyung Soo Han
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
Expandable Power Marine Hydrokinetic Turbines, Pumps, Compressors a...
- Publication number 20200088156
- Publication date Mar 19, 2020
- DIFFERENTIAL DYNAMICS CORPORATION
- Kyung Soo Han
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
ELECTRO-MAGNETIC RATCHET CONTROL APPARATUS AND METHOD
- Publication number 20190242467
- Publication date Aug 8, 2019
- DIFFERENTIAL DYNAMICS CORPORATION
- Kyung Soo Han
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
RIVER AND TIDAL TURBINE WITH POWER CONTROL
- Publication number 20190048845
- Publication date Feb 14, 2019
- DIFFERENTIAL DYNAMICS CORPORATION
- Kyung Soo Han
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
CONTROL APPARATUS AND METHOD FOR VARIABLE RENEWABLE ENERGY
- Publication number 20180195582
- Publication date Jul 12, 2018
- DIFFERENTIAL DYNAMICS CORPORATION
- Kyung Soo Han
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
COMMUTATOR-LESS AND BRUSH-LESS DIRECT CURRENT GENERATOR AND APPLICA...
- Publication number 20180038340
- Publication date Feb 8, 2018
- DIFFERENTIAL DYNAMICS CORPORATION
- Kyung Soo Han
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
RENEWABLE ENERGY MARINE HYDROKINETIC OR WIND TURBINE
- Publication number 20170030326
- Publication date Feb 2, 2017
- DIFFERENTIAL DYNAMICS CORPORATION
- Kyung Soo Han
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
THREE VARIABLE AND FOUR VARIABLE TRANSGEAR ASSEMBLIES
- Publication number 20160169353
- Publication date Jun 16, 2016
- DIFFERENTIAL DYNAMICS CORPORATION
- Kyung Soo Han
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
ONE-STROKE INTERNAL COMBUSTION ENGINE
- Publication number 20160025001
- Publication date Jan 28, 2016
- DIFFERENTIAL DYNAMICS CORPORATION
- Kyung Soo Han
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
MARINE HYDROKINETIC TURBINE
- Publication number 20160010620
- Publication date Jan 14, 2016
- DIFFERENTIAL DYNAMICS CORPORATION
- Kyung Soo Han
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
ADJUSTABLE ASSEMBLY OF ROTOR AND STATOR AND APPLICATIONS THEREOF WI...
- Publication number 20150357951
- Publication date Dec 10, 2015
- DIFFERENTIAL DYNAMICS CORPORATION
- Kyung Soo Han
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
THREE VARIABLE AND FOUR VARIABLE TRANSGEAR ASSEMBLIES
- Publication number 20150204421
- Publication date Jul 23, 2015
- DIFFERENTIAL DYNAMICS CORPORATION
- Kyung Soo Han
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
ONE-STROKE INTERNAL COMBUSTION ENGINE
- Publication number 20140290616
- Publication date Oct 2, 2014
- DIFFERENTIAL DYNAMICS CORPORATION
- Kyung Soo Han
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
RUN-OF-THE-RIVER OR OCEAN CURRENT TURBINE
- Publication number 20140241855
- Publication date Aug 28, 2014
- DIFFERENTIAL DYNAMICS CORPORATION
- Kyung Soo Han
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
INFINITELY VARIABLE PUMPS AND COMPRESSORS
- Publication number 20140137676
- Publication date May 22, 2014
- DIFFERENTIAL DYNAMICS CORPORATION
- Kyung Soo Han
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
INFINITELY VARIABLE DIRECTION CONTROL
- Publication number 20140141927
- Publication date May 22, 2014
- DIFFERENTIAL DYNAMICS CORPORATION
- Kyung Soo Han
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
INFINITELY VARIABLE MOTION CONTROL (IVMC) FOR GENERATORS, TRANSMISS...
- Publication number 20140094338
- Publication date Apr 3, 2014
- DIFFERENTIAL DYNAMICS CORPORATION
- Kyung Soo Han
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
INFINITELY VARIABLE MOTION CONTROL (IVMC) FOR A TRANSMISSION WITH A...
- Publication number 20130274056
- Publication date Oct 17, 2013
- DIFFERENTIAL DYNAMICS CORPORATION
- Kyung Soo Han
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
SYSTEM AND METHOD FOR PROVIDING A CONSTANT OUTPUT FROM A VARIABLE F...
- Publication number 20120115662
- Publication date May 10, 2012
- DIFFERENTIAL DYNAMICS CORPORATION
- Kyung Soo Han
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
VARIABLE MOTION CONTROL DEVICE AND METHOD OF USE
- Publication number 20090137359
- Publication date May 28, 2009
- Differential Dynamics Corporation
- Kyung-Soo Han
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Variable motion control devices for transmission and other implemen...
- Publication number 20070082779
- Publication date Apr 12, 2007
- Differential Dynamics Corporation
- Kyung-Soo Han
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Trademarklast 30 trademarks

Information Trademark
86864483 - TRANSGEAR
- Serial number 86864483
- Filing date Jan 4, 2016
- Differential Dynamics Corporation
- 7 - Machines and machine tools
Information Trademark
72338762 - INFI-DRIVE
- Serial number 72338762
- Registration number 923453
- Filing date Sep 24, 1969
- DIFFERENTIAL DYNAMICS, INC.
- 7 - Machines and machine tools

DIFFERENTIAL DYNAMICS, INC.

Organization

Patents Grantslast 30 patents

Voltage converter-controlled damless hydrokinetic river turbines

River and tidal turbine with power control

Expandable power marine hydrokinetic turbines, pumps, compressors a...

Electro-magnetic ratchet control apparatus and method

Speed converter-controlled river turbines

Concentric wing turbines

Commutator-less and brush-less direct current generator and applica...

Renewable energy marine hydrokinetic or wind turbine

Three variable and four variable transgear assemblies

Adjustable assembly of rotor and stator and applications thereof wi...

Marine hydrokinetic turbine

One-stroke internal combustion engine

Three variable and four variable transgear assemblies

One-stroke internal combustion engine

Run-of-the-river or ocean current turbine

Infinitely variable motion control (IVMC) for generators, transmiss...

Infinitely variable pumps and compressors

Infinitely variable direction control

Infinitely variable motion control (IVMC) for a transmission with a...

Infinitely variable motion control (IVMC) for generators, transmiss...

Infinitely variable motion control (IVMC) for river turbines

System and method for providing a constant output from a variable f...

Variable motion control devices for transmission and other implemen...

Variable motion control device and method of use

Variable motion control device and method of use

Patents Applicationslast 30 patents

CONVERTING VARIABLE RENEWABLE ENERGY TO CONSTANT FREQUENCY ELECTRIC...

VOLTAGE CONVERTER-CONTROLLED DAMLESS HYDROKINETIC RIVER TURBINES

Speed Converter-Controlled River Turbines

Expandable Power Marine Hydrokinetic Turbines, Pumps, Compressors a...

ELECTRO-MAGNETIC RATCHET CONTROL APPARATUS AND METHOD

RIVER AND TIDAL TURBINE WITH POWER CONTROL

CONTROL APPARATUS AND METHOD FOR VARIABLE RENEWABLE ENERGY

COMMUTATOR-LESS AND BRUSH-LESS DIRECT CURRENT GENERATOR AND APPLICA...

RENEWABLE ENERGY MARINE HYDROKINETIC OR WIND TURBINE

THREE VARIABLE AND FOUR VARIABLE TRANSGEAR ASSEMBLIES

ONE-STROKE INTERNAL COMBUSTION ENGINE

MARINE HYDROKINETIC TURBINE

ADJUSTABLE ASSEMBLY OF ROTOR AND STATOR AND APPLICATIONS THEREOF WI...

THREE VARIABLE AND FOUR VARIABLE TRANSGEAR ASSEMBLIES

ONE-STROKE INTERNAL COMBUSTION ENGINE

RUN-OF-THE-RIVER OR OCEAN CURRENT TURBINE

INFINITELY VARIABLE PUMPS AND COMPRESSORS

INFINITELY VARIABLE DIRECTION CONTROL

INFINITELY VARIABLE MOTION CONTROL (IVMC) FOR GENERATORS, TRANSMISS...

INFINITELY VARIABLE MOTION CONTROL (IVMC) FOR A TRANSMISSION WITH A...

SYSTEM AND METHOD FOR PROVIDING A CONSTANT OUTPUT FROM A VARIABLE F...

VARIABLE MOTION CONTROL DEVICE AND METHOD OF USE

Variable motion control devices for transmission and other implemen...

Trademarklast 30 trademarks

86864483 - TRANSGEAR

72338762 - INFI-DRIVE