2021
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Invention
|
Hot air engine having a step piston. According to an embodiment of a hot air engine, the hot air ... |
2018
|
G/S
|
Electric power supplies [generators] (terms considered too
vague in the opinion of the Internati... |
|
G/S
|
Electrical power supplies in the nature of electricity generators; motors, other than for land ve... |
|
G/S
|
Motors, other than for land vehicles; engines for the
generation of electricity; electric genera... |
|
G/S
|
Motors, other than for land vehicles; engines for the generation of electricity; electric generat... |
|
Invention
|
Hot gas engine having a step piston. A Stirling engine is described which, in accordance with a f... |
|
Invention
|
Hot air engine with step piston. A Stirling engine is described which, in accordance with a first... |
|
G/S
|
Motors, other than for land vehicles; Engines for the generation of electricity; Electric generat... |
|
G/S
|
Electric power supplies [generators]; Motors, other than for land vehicles; Engines for the gener... |
2017
|
G/S
|
Electric power supplies in the nature of electrical generators; motors, other than for land vehic... |
|
G/S
|
Electric power supplies [generators]; motors, other than for
land vehicles; engines for the gene... |