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 |
| 7335244 | Air-purifying device for a front-opening unified pod An air-purifying device for a front-opening unified pod to purify the air in it is provided. The air in the front-opening unified pod 51 is sucked through one of its breathing holes 58a and directed into an air-purifying device (M) that includes... | 02/26/2008 |
| 7300485 | Cooling fan for electronic devices An apparatus includes a rigid housing having a plurality of sides removably engaged with the electronic device and a plurality of passageways for effectively channeling air through first and second directions. The apparatus further includes at least one rotary fan m... | 11/27/2007 |
| 7261241 | Heating and cooling energy saving device A system for regulating the temperature of multiple areas within a facility using multiple energy savings devices (ESD) that each regulate the temperature of individual rooms or areas within a facility having a central heating and cooling plant. The device includes ... | 08/28/2007 |
| 7040978 | Sliding door device The invention concerns a sliding door device (10) comprising at least a mobile sliding door (11) and separating elements (12) for maintaining and guiding the mobile and removable sliding door (11). The latter enables automatic opening and... | 05/09/2006 |
| 6960129 | Conditioned vestibule for a cold storage doorway A conditioned vestibule for a cold storage doorway is disclosed. The vestibule includes a frame that supports inner and outer moveable door-forming members. The vestibule also includes a heater that circulates air between the inner and outer door-forming members and... | 11/01/2005 |
| 6840974 | Self-cleaning filter A self-cleaning filter and cooling system are disclosed for filtering ambient air used to cool the interior of an equipment enclosure. The system includes an enclosure for housing predetermined equipment to be cooled, the enclosure including an air intake port and a... | 01/11/2005 |
| 6770109 | Substrate transport container A substrate transport container having a carrier box including a container body and a door hermetically sealably covering an opening provided in the front of the container body. Partitions form a circulating flow path in the carrier box. The circulating flow path ha... | 08/03/2004 |
| 6758876 | Substrate transport apparatus, pod and method A method of using a substrate transport pod is provided, which is suitable for manufacturing semiconductor devices with copper wiring and low dielectric insulating film having dielectric constants of less than 3. The method is based on loading the substrates into a ... | 07/06/2004 |
| 6752144 | Smoke guiding machine A smoke guiding machine includes a front machine, and left and right machines, and is installed around a gas stove, thereby omnidirectionally isolating smoke produced. Tracks at two ends of the front machine are assembled to protrusions at left and right machines, a... | 06/22/2004 |
| 6660055 | Compartment for maintaining a clean production environment The invention relates to a compartment 10 having a space 32 segregated from air outside the compartment and capable of housing a product apparatus for assembly of, for example, semiconductor devices and integrated circuit packages in a "clean" environment... | 12/09/2003 |
| 6565035 | Apparatus and method for forming an air curtain for use with an aircraft A system and method for providing an air curtain for impeding the entry of dust, dirt, debris, smoke, insects and other airborne particulate matter into an interior area of an aircraft without the need for disposing heavy, bulky and high power consuming b... | 05/20/2003 |
| 6450879 | Air curtain generator An air curtain generator includes a casing with a fan received therein so as to blow an air curtain from opening of the casing. Two arms are pivotally connected to two end members on two ends of the casing. and each arm is pivotally connected to a fixed m... | 09/17/2002 |
| 6226995 | Frost control system for a door A frost control system for preventing the accumulation of frost on components of a freezer door assembly is disclosed. The system comprises a movable door disposed between a cold space and a warm space, and a header assembly. The header assembly comprises... | 05/08/2001 |
| 6110244 | Clean air system A clean air system a fan and a filter assembly for producing a flow of clean air and for discharging the clean air from an outlet towards a clean area. A Coanda effect device is located adjacent to the filter assembly about the whole or part of its periph... | 08/29/2000 |
| 6106387 | Conditioned and controlled air vestibule for refrigerated warehouse An improved, low-cost conditioned air vestibule for use on a doorway of a refrigerated storage room permits unobstructed passage of vehicles while effectively reducing the exchange of air through the doorway and substantially eliminating precipitation bot... | 08/22/2000 |
| 6050891 | Vacuum processing system with turbo-axial fan in clean-air supply system of front end environment A turbo-axial fan assembly is provided for a clean-air supply system of a substrate handling module of a vacuum processing system. The turbo-axial fan assembly has one or more turbo-axial fans for generating airflow through the substrate handling environm... | 04/18/2000 |
| 5843196 | Ultra-clean transport carrier A transport carrier for transporting x-ray masks, wafers and the like, from an ultra-clean environment to another through a lesser clean environment. The apparatus includes a box that is sealed from the outside by an access door, one or more fans, at leas... | 12/01/1998 |
| 5830058 | Arrangement relating to a ventilation installation mounted to a ceiling A ceiling-mounted ventilation system assembly, where ventilation air from the ventilation system is directed down towards a working area, and where air is supplied to the ventilation system from indoor air (RL) and/or from external ventilation equipment (... | 11/03/1998 |
| 5788568 | Fan A fan comprising: blowing units, each including a squarely hollow casing, an electric motor incorporated into the casing and an axial impeller coupled to the motor for generating an air flow from an inlet toward nozzles; the casing having one end opened t... | 08/04/1998 |
| 5306209 | Contaminant shield for viewing ports A dirt shield for viewing ports of contaminated environments which includes the formation of a cone of flowing gas disposed in front of the window of the port combined with a flow of ionized gas under pressure in front of the window between the window and... | 04/26/1994 |
| 5285771 | Make-up air control system apparatus The apparatus is adapted to provide for the controlling of incoming replacement or make up air in a cooking equipment ventilation system. The apparatus is dependent upon an air plenum surrounding the hood or an enclosure which contains the incoming, uncon... | 02/15/1994 |
| 5149299 | Room-air interceptor device A stairwell, in a split or multi level home provides access to and air communication with lower-level, mid-level and upper-level rooms, resulting in a chimney effect of continuously drawing higher temperature and highest temperature room air from the lowe... | 09/22/1992 |
| 4979432 | Air diffuser with rotatably adjustable louvres, especially for an air curtain generator An air diffuser is provided, preferably for an air curtain generator, which consists of a frame within which are located a plurality of louvres. The louvres are striated and rotatably adjustable about respective axes of rotation. To provide for this rotat... | 12/25/1990 |
| 4902313 | Apparatus and method of reducing pollution for tire buffing equipment An apparatus and a method of reducing pollution for tire buffing equipment by which a narrow air stream curtain is directed across the cutting width of a rasp immediately ahead of the tread grinding area to contain dust or other small tread materials part... | 02/20/1990 |
| 4801312 | Laminar air flow hazardous materials abatement method and system A work space for removing hazardous materials within an occupied building is made safe both for the workers working within the work space and others outside the work space by defining a decontamination space having a plurality of rooms and air locks betwe... | 01/31/1989 |
| 4162764 | Personnel air cooling device This air cooling device includes a waist belt worn under the clothing of the wearer and having an apertured, waist-encircling air tube attached thereto. The air tube is connected to an air supply by means of an extension air line having an air pressure re... | 07/31/1979 |
| 4074620 | Device for preventing the flow of air through an opening between two rooms or spaces An air barrier device for an opening in a wall including air flow generating members arranged at opposite boundary edges of the opening on both sides of the opening and arranged to direct individual curtains of air obliquely towards each other and into th... | 02/21/1978 |
| 4016809 | Clean air workbench Apparatus providing a work area at which one or several people can perform tasks requiring ultra-high efficient air filtration. The work area includes an air passageway throughwhich laminar flow of air occurs from a HEPA filter. The apparatus has a leadin... | 04/12/1977 |
