Bizarre Patents
Pizza Pie With Concentric Rings of Crust
A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.
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| Number | Title | Issue Date |
| 5896746 | Engine assembly comprising an internal combustion engine and a steam engine An engine assembly that includes an internal combustion engine and a steam engine both designed to operate at speeds of optimal efficiency at normal engine driving conditions. A heat exchanger recovers heat losses from the internal combustion engine's exh... | 04/27/1999 |
| 5875635 | Arrangement of a steam engine power plant An arrangement for a steam engine power plant with a steam generator, a steam buffer, and a timing valve for a steam engine of a displacement type with a range of cut-offs and motion in both driving and braking directions. Engine braking to the steam engi... | 03/02/1999 |
| 5867989 | Steam buffer for a steam engine power plant Disclosed is a steam buffer for use in a steam engine power plant with a closed system and designed to alternately accumulate and emit steam under high pressure and temperature. The steam buffer improves upon conventional steam accumulators which contain ... | 02/09/1999 |
