04816697 is referenced by 41 patents and cites 8 patents.

The present apparatus is a hydroelectric power device for generating energy from currents of water. It includes a blade spiraling about a spindle or shaft which is connected to a generator. The rotation of the blade and shaft is converted by the generator into energy.

Title
Portable hydroelectric power unit
Application Number
7/11305
Publication Number
4816697
Application Date
February 5, 1987
Publication Date
March 28, 1989
Inventor
Harutyun G Nalbandyan
all 4421 Melbourne #5, Los Angeles, 90027
CA, US
Grigor A Nalbandyan
all 4421 Melbourne #5, Los Angeles, 90027
CA, US
Nikolaes A Nalbandyan
all 4421 Melbourne #5, Los Angeles, 90027
CA, US
Agent
Ladas & Parry
IPC
F03B 3/04
View Original Source