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 |
| 4531372 | Cryogenic pump having maximum aperture throttled part A low-temperature pump having a throttling valve formed by tilting radially disposed vanes in side-by-side relation, capable of fully opening a pump port to a process chamber. Motion from one vane can be coupled to the next through shims which support the... | 07/30/1985 |
| 4393896 | Radial vane gas throttling valve for vacuum systems A gas flow control valve wherein radially disposed vanes are mounted within an annular flange with rotationally mounted shims connecting the radial vanes to the inner peripheral surface of a flange. The shims are disposed in a rim-to-rim configuration wit... | 07/19/1983 |
| 4187879 | Flow regulator A flow regulator for regulating a gas flow passing through a tubular casing containing a plurality of radial shafts, each carrying a pivotably adjustable blade and being fixedly secured at one end to said casing and at the other end to a concentric interi... | 02/12/1980 |
