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Class Information
Number: 60/641.13
Name: Power plants > Utilizing natural heat > Solar > With single state working substance
Description: Apparatus wherein the heat heats a substance (solid or liquid) for producing work, the substance remaining in its solid or fluid state at all times.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7340898 |
Solar-thermal powered generator |
Mar. 11, 2008 |
| 5809784 |
Method and apparatus for converting radiation power into mechanical power |
Sep. 22, 1998 |
| 5284628 |
Convection towers |
Feb. 8, 1994 |
| 4646523 |
Wire engine for water pumps |
Mar. 3, 1987 |
| 4622949 |
Floating solar pond and associated power plant |
Nov. 18, 1986 |
| 4602614 |
Hybrid solar/combustion powered receiver |
Jul. 29, 1986 |
| 4551978 |
Bimetallic solar engine |
Nov. 12, 1985 |
| 4475535 |
Segregated solar pond |
Oct. 9, 1984 |
| 4397150 |
Power generating apparatus using radiant energy |
Aug. 9, 1983 |
| 4339626 |
Solar pond power plant |
Jul. 13, 1982 |
| 4337622 |
Energy storage |
Jul. 6, 1982 |
| 4307571 |
Device driven by heat energy |
Dec. 29, 1981 |
| 4283914 |
Solar energy system |
Aug. 18, 1981 |
| 4236377 |
Heat expansion machine |
Dec. 2, 1980 |
| 4231720 |
Pump for fluid media having different temperatures |
Nov. 4, 1980 |
| 4177019 |
Heat-powered water pump |
Dec. 4, 1979 |
| 4175381 |
Electromagnetic reactor engine system-apparatus and method |
Nov. 27, 1979 |
| 4173123 |
Optically driven solar engine |
Nov. 6, 1979 |
| 4150923 |
Reciprocating pump powered by solar and wind energy |
Apr. 24, 1979 |
| 4141218 |
Buoyancy operated Sunmill |
Feb. 27, 1979 |
| RE29833 |
Tubular solar cell devices |
Nov. 14, 1978 |
| 4094751 |
Photochemical diodes |
Jun. 13, 1978 |
| 4079249 |
Solar energy operated motor apparatus |
Mar. 14, 1978 |
| 4075847 |
Direct conversion of solar energy to mechanical energy |
Feb. 28, 1978 |
| 4055956 |
High torque solar motor |
Nov. 1, 1977 |
| 4044752 |
Solar collector with altitude tracking |
Aug. 30, 1977 |
| 4027480 |
Hydraulic engine |
Jun. 7, 1977 |
| 4023368 |
High density-third dimension geometry solar panels |
May. 17, 1977 |
| 4022024 |
Thermosiphon engine and method |
May. 10, 1977 |
| 4012911 |
Engine powered by low boiling liquid |
Mar. 22, 1977 |
| 4006594 |
Solar power plant |
Feb. 8, 1977 |
| 3998056 |
Solar energy apparatus and method |
Dec. 21, 1976 |
| 3989417 |
Apparatus for converting solar energy into mechanical energy |
Nov. 2, 1976 |
| 3984985 |
Solar engine |
Oct. 12, 1976 |
| 3983704 |
Solar operated thermodynamic drive |
Oct. 5, 1976 |
| 3934573 |
Spherical system for the concentration and extraction of solar energy |
Jan. 27, 1976 |
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