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| Number | Title | Issue Date |
| 6018138 | Floor-heating method and radiating pipe for use in floor heating A radiating pipe disposed in a floor for heating the floor includes an outer pipe and an inner pipe, a heating cable passing through the inner pipe and the space between the inner pipe and the outer pipe being an empty air space. Optionally, materials suc... | 01/25/2000 |
| 4787210 | Bus air conditioning unit An air conditioning unit (12) for a bus (10) which includes a roof mounted evaporator (36) having first and second transversely spaced evaporator sections (38, 40). Head room in the bus (10) is preserved while reducing noise in a passenger compartment (28... | 11/29/1988 |
| 4537349 | Motor vehicle with an internal-combustion engine and with means for heating a payload space The invention relates to a motor vehicle with an internal-combustion engine, with a heatable payload space and with a pipe flowed by air and leading into the atmosphere, which is divided into two pipe branches. A first heat exchanger flowed by the waste g... | 08/27/1985 |
