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Williams Herbert: Bi-directional tidal flow hydroelectric turbine. Openhydro Group, January 16, 2008: EP1878913-A1 (23 worldwide citation)

A hydroelectric turbine for the production of electricity from tidal flow forces (99), the turbine having a rotor with an open center such that the blades (34) are mounted between an inner rim (32) and outer rim (33), wherein retaining members (22,23) and anti-friction members (71,72) are provided t ...


2
Herbert L Williams: Tidal flow hydroelectric turbine. Openhybro Group, Thomas C Saitta, May 27, 2008: US07378750 (21 worldwide citation)

A hydroelectric turbine for the production of electricity from tidal flow forces, the turbine having a rotor preferably with an open center such that the blades are mounted between an inner rim and outer rim, wherein retaining members and anti-friction members are provided to limit movement of the r ...


3
Herbert Williams: Tidal flow hydroelectric turbine. OpenHydro IP, Gardner Linn Burkhart & Flory, October 21, 2014: US08864439 (1 worldwide citation)

A hydroelectric turbine for the production of electricity from tidal flow forces, the turbine having a rotor with an open center such that the blades are mounted between an inner rim and outer rim, wherein retaining members and anti-friction members are provided to limit movement of the rotor relati ...


4
Murray Smith: Water turbine. Davis & Bujold PLLC, Michael J Bujold, April 4, 2017: US09611828

A water turbine includes a base and an axle extending upwardly relative to the base. A body is provided having an axle receiving bore positioned along a longitudinal rotational axis. The axle is positioned in the axle receiving bore, such that the body rotates about the longitudinal rotational axis. ...


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Herbert L Williams: Tidal flow hydroelectric turbine. Rogers Towers Pa, January 25, 2007: US20070018460-A1

A hydroelectric turbine for the production of electricity from tidal flow forces, the turbine having a rotor preferably with an open center such that the blades are mounted between an inner rim and outer rim, wherein retaining members and anti-friction members are provided to limit movement of the r ...


7
Herbert Williams: Tidal flow hydroelectric turbine. Van Dyke Gardner Linn & Burkhart, November 12, 2009: US20090278357-A1

A hydroelectric turbine for the production of electricity from tidal flow forces, the turbine having a rotor with an open center such that the blades are mounted between an inner rim and outer rim, wherein retaining members and anti-friction members are provided to limit movement of the rotor relati ...


8
Williams Herbert: Bi-directional tidal flow hydroelectric turbine. Openhydro Group, Williams Herbert, O NEILL Brian, January 17, 2008: WO/2008/006602

A hydroelectric turbine for the production of electricity from tidal flow forces, the turbine having a rotor with an open center such that the blades (34) are mounted between an inner rim (32) and outer rim (33), wherein retaining members (22, 23) and anti-friction members (7, 72) are provided to li ...


9
Williams Herbert: Bi-directional tidal flow hydroelectric turbine. Openhydro Group, Zhang Shegao, Wu Guimeng, September 16, 2009: CN200780026527

A hydroelectric turbine for the production of electricity from tidal flow forces (99), the turbine having a rotor with an open center such that the blades (34) are mounted between an inner rim (32) and outer rim (33), wherein retaining members (22,23) and anti-friction members (71,72) are provided t ...


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WILLIAMS HERBERT: TURBINE HYDROELECTRIQUE HOULOMETRIQUE BIDIRECTIONNEL, BI-DIRECTIONAL TIDAL FLOW HYDROELECTRIC TURBINE. OPENHYDRO GROUP, OPENHYDRO GROUP, BLAKE CASSELS & GRAYDON, May 12, 2015: CA2657562

A hydroelectric turbine for the production of electricity from tidal flow forces, the turbine having a rotor with an open center such that the blades (34) are mounted between an inner rim (32) and outer rim (33), wherein retaining members (22, 23) and anti-friction members (7, 72) are provided to li ...