HW

Herbert L. Williams

OL Openhydro Group Limited: 2 patents #2 of 4Top 50%
OL Openhydro Ip Limited: 1 patents #7 of 8Top 90%
Overall (All Time): #236,197 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
11536511 Method and system for liquifying a gas 2022-12-27
9188108 Floating wind farm 2015-11-17
8884458 Floating wind farm 2014-11-11
8864439 Tidal flow hydroelectric turbine 2014-10-21
8801363 Wind turbine with pulley transfer box apparatus 2014-08-12
8556586 Turbine blade 2013-10-15
8430634 System and method for improving wind turbine efficiency by adjusting blade pitch in response to localized wind speed 2013-04-30
8343008 Variable speed drive apparatus 2013-01-01
8308422 Submerged hydroelectric turbines having buoyancy chambers 2012-11-13
7399162 Wind turbine 2008-07-15
7378750 Tidal flow hydroelectric turbine 2008-05-27
7258523 Means to regulate water velocity through a hydro electric turbine 2007-08-21
D543495 Open center turbine 2007-05-29
7190087 Hydroelectric turbine and method for producing electricity from tidal flow 2007-03-13
6957947 Hydroelectric turbine 2005-10-25
6729840 Hydroelectric powerplant 2004-05-04
RE38336 Hydroelectric powerplant 2003-12-02
6648589 Hydroelectric turbine for producing electricity from a water current 2003-11-18
5592816 Hydroelectric powerplant 1997-01-14