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The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 7434390 | Air-gap-insulated exhaust manifold The present invention relates to an air-gap-insulated exhaust manifold (1) of an internal combustion engine, in particular in a motor vehicle, having a collecting line (2) that extends in a longitudinal direction (3), an outlet opening (4... | 10/14/2008 |
| 7434658 | Muffler The present invention relates to a muffler for a line conveying gas and airborne sound, in particular for an exhaust system of an internal combustion engine, preferably in a motor vehicle. The muffler has a housing in which there are at least two inside pipes for ca... | 10/14/2008 |
| 7367183 | Internal combustion engine with a fuel reformer and ammonia generator The present invention relates to an internal combustion engine which is used in particular in motor vehicle having a reformer for generating hydrogen, whereby the reformer has a single operating mode in which it generates as much reformate as needed or even more for... | 05/06/2008 |
| 6540150 | Fuel-operated air heater A fuel-operated air heater (1) is disclosed, especially an air heater for automobiles that is operated independent from the motor. The inventive heater comprises a burner (2), a combustion chamber (3) and a heat exchanger (4). Hot air (5) is circulated th... | 04/01/2003 |
| 6247552 | Air gap-insulated exhaust manifold An air gap-insulated exhaust manifold with a double-walled design provided only in the area of the collection pipe, while only a single-walled design is provided in the area of the individual pipes. The outer pipe includes two half shells, while the gas-c... | 06/19/2001 |
| 6164554 | Pressure atomizing type burner for an engine independent heating system in a vehicle The present invention pertains to a present atomizing type burner (1) for an engine independent heating system in a vehicle, comprising a pump (2) for feeding liquid fuel (4) through the fuel pipe (5) to the spray nozzle (3), a ventilator (6) for feeding ... | 12/26/2000 |
| 6158547 | Process for manufacturing an absorption muffler To prepare an absorption muffler for motor vehicles with a sound-absorbing material arranged in a hollow space of an exhaust muffler body in the form of glass wool (2), which is introduced into the hollow space in the form of an expanded, endless glass fi... | 12/12/2000 |
| 6142728 | Side channel blower, in particular for supplying combustion air to the auxiliary heater of a motor vehicle A side channel blower (1), in particular for supplying combustion air to the auxiliary heater (2) of a motor vehicle, has a body (3) axially connected to an impeller wheel (4). The blower body (3) has an inlet channel (5), an outlet channel (6), a curved ... | 11/07/2000 |
| 6071071 | Side-channel fan, in particular for supplying combustion air in an independent heater of a motor vehicle A side-channel fan (1), especially for feeding combustion air in a parking heater (2) of a motor vehicle, with a fan body part (3) in an axial connection to an impeller (4), wherein the fan body part (3) has an inlet channel (5) and an outlet channel (6) ... | 06/06/2000 |
| 6027334 | Evaporation burner for a heater In an evaporation burner with a combustion chamber (1) for a heater or the like with a peripheral boundary wall (29), a front boundary wall (6) and an air-supply nozzle (8) projecting coaxially into the combustion chamber (1) with radial air outlets (9) t... | 02/22/2000 |
| 6006997 | Heating appliance, in particular for heating a motor vehicle passenger compartment The invention concerns a heating appliance which is protected against overheating in that the temperature increase during operation of the appliance is monitored. If the temperature increases too rapidly, the heating operation is stopped. According to the... | 12/28/1999 |
| 5983841 | Heat exchanger In a heat exchanger in the shape of a pot, with a frontal connector for a burner or the like, a lateral water inlet in the base and a water outlet in the region of the frontal connector, water flows through both the base and the jacket of the pot during o... | 11/16/1999 |
