Differential Dynamics Corporation

United States of America

 
Total IP 25
Total IP Rank # 58,702
IP Activity Score 1.7/5.0    8
IP Activity Rank # 115,492

Patents

Trademarks

18 0
2 0
5 0
0
 
Last Patent 2023 - Converting variable renewable en...
First Patent 1990 - Variable speed gearing assembly

Latest Inventions, Goods, Services

2023 Invention Converting variable renewable energy to constant frequency electricity by a voltage regulated spe...
2020 Invention Voltage converter-controlled damless hydrokinetic river turbines. A river, tidal, wave or ocean c...
2019 Invention Mechanical speed converter-controlled wind and hydrokinetic turbines. A wind or water flow ...
Invention Scalable and efficient mechanical speed converter-controlled wind and hydrokinetic turbines. A wi...
Invention Speed converter-controlled river turbines. A river turbine for harnessing a predetermined minimum...
Invention Concentric wing turbines. A harnessing module for harnessing renewable wind and water energy has ...
Invention Electro-magnetic ratchet control apparatus and method. A speed converter converting infinitely va...
2018 Invention Expandable power marine hydrokinetic turbines, pumps, compressors and transmissions. A marine hyd...
Invention River and tidal turbine with power control. A river or tidal turbine for generating a minimum pre...
Invention Control apparatus and method for variable renewable energy. Three variable gear assemblies called...
2017 Invention Commutator-less and brush-less direct current generator and applications for generating power to ...
2016 Invention Renewable energy marine hydrokinetic or wind turbine. Three controls, three variable gear assembl...
Invention Three variable and four variable transgear assemblies. Infinitely variable motion control (IVMC) ...
2015 Invention One-stroke internal combustion engine. One-stroke internal combustion engines may comprise recipr...
Invention Marine hydrokinetic turbine. A marine hydrokinetic electric power generator comprises one of a st...
Invention Adjustable assembly of rotor and stator and applications thereof with a variable power generator....
Invention Three, four, five and n variable transgear assemblies. Infinitely variable motion control (IVMC) ...
2014 Invention Run-of-the-river or ocean current turbine. A run-of-the-river or ocean current turbine may compri...
Invention Infinitely variable direction control. Infinitely variable motion control (IVMC) provides motion ...
Invention Infinitely variable pumps and compressors. Infinitely variable motion control (IVMC) provides mot...
2013 Invention Infinitely variable motion control (ivmc) for generators, transmissions and pumps/compressors. In...
Invention Infinitely variable motion control (ivmc) for a transmission with a differential. Infinitely vari...
2012 Invention Infinitely variable motion control (ivmc) for river turbines. Infinitely variable motion control ...
2010 Invention System and method for providing a constant output from a variable flow input. A system and method...
2008 Invention Variable motion control device and method of use. Variable motion control devices and methods of ...
2006 Invention Variable motion control devices for transmission and other implementations and methods of use the...
2000 Invention Variable speed transmission systems and rotary motion controls. An arrangement of interlinking ge...
1999 Invention Variable speed transmission system and differential. An arrangement of multiple gears forming a t...
1992 Invention Variable speed drive transmission. A mechanical arrangement of multiple gears forming a transmiss...
1991 Invention Constant/variable speed gear assembly. A mechanical arrangement of multiple gears with an auxilia...
Invention Variable drive transmission. A mechanical transmission device for selective gear speed and direct...
1990 Invention Variable speed gearing assembly. A mechanical transmission device to provide selective gear speed...