Procedure of expoitation of waste energy roof structures and coverings, sewagw, wall construction flements, openings, garage doors, barriers and fencing
HU0700579D0
Dual air circuit, double-piston, two-stroke hybrid engine
HU0700169D0
Heat recovery systems
HU0600351D0
Lubricating system for gear drives of vehicles
HU0600329D0
Process and arrangement for mitigation of energy consumption of refrigerators and air conditioners with use of outer air lower temperature of the graund, and the utilization of heat produced by large cooling compressors and heat exchangers
HU0600328D0
Heat recovering of internal exhaust gases of combustion engines
HU0600288D0
Mashine for several purposes like dealing with communal waste and forestry
HU0600279D0
Heat loss reducing of boilers, furnaces, fireplaces and elimination its danger of fire
HU0600266D0
Health-giving dietary supplement
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Method for heat recovery and fuel enrichment of double cycle, air cooled engines
HU0600173D0
Method for heat recovery and elongating of expansion at 4-stroke engines
