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 |
| 7231744 | Roof venting system for improved interior air quality and hot water and electricity production A roof venting system comprising a second roof layer disposed above a first roof layer with a spacer disposed therebetween to provide an air flow channel between the two roof layers. A gap is provided in the upper roof layer at or near the top end of the roof and a ... | 06/19/2007 |
| 7166023 | Vent assembly with single piece cover A vent assembly has a base and a single piece cover that is attached to the base to form a housing. A partition inside the housing forms an upper compartment that communicates with an outlet at the rear of the cover and a lower compartment that communicates with an ... | 01/23/2007 |
| 7140959 | Vent assembly with single piece cover A vent assembly has a base and a single piece cover that is attached to the base to form a housing. A partition inside the housing forms an upper compartment that communicates with an outlet at the rear of the cover and a lower compartment that communicates with an ... | 11/28/2006 |
| 6247191 | Locomotive sanitation apparatus and method of protecting the same from freezing A sanitary system for a locomotive wherein the treatment tank is protected from freezing by the use of the heat available in the exhaust air removed from the toilet compartment. A sealed and insulated compartment is formed around the treatment tank, and a... | 06/19/2001 |
| 5261855 | Smoke removal system for vehicles A smoke removal system for a vehicle includes a primary smoke exit vent and a secondary smoke exit vent associated with passenger locations inside a passenger compartment of a vehicle. Each exit vent is individually, selectively operable such that only th... | 11/16/1993 |
| 4633769 | Roof vent fan assembly A power roof vent fan assembly having a motor and fan mounted in a body spanning an opening in the roof of an enclosure. The motor is mounted in H-shaped cross brace assembly having reinforcing ribs for vibration dampening. A shroud is secured to the body... | 01/06/1987 |
| 4051770 | Ventilators for mobile homes, and the like Ventilators for mobile homes, and the like, particularly of the type which have an attic space beneath the roof and above the ceiling of the mobile home interior. The ventilator has an intermediate air intake for ventilation of the attic space, so that th... | 10/04/1977 |
