Did You Know...
...that when IBM conducted a market study of Chester Carlson's invention in 1959, the company concluded that it would take only 5000 units of his new product to saturate the market? IBM therefore declined to be part of the new product introduction. Too bad for IBM. Carlson's invention was the xerography process, and his new product was the beginning of the Xerox Corporation. It is estimated that every day, worldwide, 3,000,000,000 copies are made!!
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7762102 | Soft freeze assembly for a freezer storage compartment A soft freeze assembly for a refrigerator including a freezer storage compartment having a first temperature includes a second storage compartment positioned within the freezer storage compartment. A heat source is positioned with respect to the second storage compa... | 07/27/2010 |
| 7377125 | Walk-in refrigerator/freezers and wine coolers for home use Walk-in refrigerator/freezers and walk-in refrigerator/wine coolers for home use include walk-in refrigerator sections, reach-in freezer sections, pullout pantries and pullout refrigerated drawers, and wine cooler/humidor sections that may include one or two separat... | 05/27/2008 |
| 7350374 | Consumer refrigerator A proposed refrigerator embodiment comprises a body enclosing a lower fresh-food compartment at above-freezing temperatures; a freezer disposed above the lower compartment, an intermediate-temperature compartment disposed above the freezer both operating at below-fr... | 04/01/2008 |
| 7334851 | Transparent top for a refrigerator A refrigeration appliance with a cabinet having a front wall, a rear wall, side walls and a top enclosing a refrigerated space. A front panel in the front wall is openable to provide access to the refrigerated space. The cabinet walls are sized to fit below a standa... | 02/26/2008 |
| 7322209 | Refrigerator A refrigerator, and more particularly, a refrigerator equipped with a machinery chamber door, which is provided to open or close a machinery chamber formed at an upper portion of a body of the refrigerator. The refrigerator includes a body with a storage chamber, an... | 01/29/2008 |
| 7251954 | Modular refrigeration unit and refrigerator A modular refrigeration unit has a condenser assembly, an evaporator assembly, and a bulkhead assembly positioned between the condenser assembly and the evaporator assembly. The refrigeration cabinet includes a condenser chamber adapted for receiving the condenser a... | 08/07/2007 |
| 7216492 | Portable refrigeration unit A portable refrigeration unit for cooling a refrigerated space, the unit comprising an evaporator unit that is separable from a condensing unit, the evaporator unit and condenser unit being connected by extended lengths of flexible hosing, such that the evaporator u... | 05/15/2007 |
| 7089681 | Method and apparatus for filtering and drying a product The present invention relates to a method and apparatus for filtering and drying a product. In a preferred embodiment, the apparatus comprises a container having a plurality of porous walls and a plurality of solid walls that divide the container into a plurality of... | 08/15/2006 |
| 7051539 | Convertible refrigerator-freezer A refrigerator freezer having an upper refrigerator compartment and a lower below freezing freezer compartment. The upper compartment can be a convertible compartment selectively operable by the user as an above freezing refrigerator compartment or as a below freezi... | 05/30/2006 |
| 7040114 | Storage unit A storage unit having at least one storage compartment, to store various food and beverage at respective optimum temperatures, and to allow various food and beverage to be conveniently stored in and removed from the at least one storage compartment. The storage unit... | 05/09/2006 |
| 6802367 | Rethermalization system and method for use with food trays having a hot food side and a cold food side A rethermalization system for food trays having a hot food side and a cold food side, the system includes a first thermal system having a heating source, a refrigeration coil and a blower; a second thermal system having first and second refrigeration coils and a blo... | 10/12/2004 |
| 6742353 | Refrigerator A refrigerator is improved in storage environment by suppressing drying and oxidation and enhanced in volume efficiency and cooling efficiency. The refrigerator includes a refrigerating chamber, a vegetable chamber, and a freezing chamber in order from its top to it... | 06/01/2004 |
| 6658879 | Direct cooling type refrigerator A direct cooling type refrigerator includes: a main body with a certain space for keeping food items; a freezing chamber formed at an upper portion of the main body and keeping frozen food items; a refrigerating chamber sectioned by a barrier with the fre... | 12/09/2003 |
| 6637235 | Fridge-freezer A refrigerator which may allow vegetables kept more fresh by minimizing temperature fluctuations in a vegetable compartment. The refrigerator minimizes dehydration in food stored in the vegetable compartment, so that vegetables are kept fresh longer. The ... | 10/28/2003 |
| 6574967 | Cooling and heating apparatus using thermoelectric module A cooling and heating apparatus using a thermoelectric module, in which the thermoelectric module, a heat emitting member and a heat conducting block are integrated into a single unit, to improve the performance and durability of the thermoelectric module... | 06/10/2003 |
| 6474094 | Refrigerator having freezer compartment A refrigerator having a freezer compartment enabling a storage space of the freezer compartment to be efficiently utilized by improving the structure of an automatic ice-making system is disclosed. The freezer compartment is divided into a first section f... | 11/05/2002 |
| 6209342 | Refrigerator evaporator housing A refrigerator cabinet has an exterior cabinet shell and a plastic liner insert defining a fresh food compartment and a freezer compartment where foamed in place insulation extends between the exterior cabinet shell and the interior liner. The liner has a... | 04/03/2001 |
| 5960641 | Cold air circulation device of refrigerator A cold air circulation device and method for a refrigerator, the refrigerator including a refrigerating compartment, a first door for providing access to the refrigerating compartment, a freezing compartment, a second door for providing access to the free... | 10/05/1999 |
| 5881568 | Refrigerator A refrigerator having a freezing compartment, a fresh food compartment, and a damper for opening/closing a freezing compartment passage and a fresh food compartment passage through which a cooling air via an evaporator flows, including a freezing compartm... | 03/16/1999 |
| 5787725 | Refrigerator and method for circulating cold air therein A refrigerator and a method for circulating cold air in the refrigerator are provided for blocking the backward stream of cold air within a freezing chamber and a main cold air duct into a cold chamber regardless of occurrence of a pressure difference cau... | 08/04/1998 |
| 5505046 | Control system for thermoelectric refrigerator Apparatus including a power supply (202) and control system is provided for maintaining the temperature within an enclosed structure (40) using thermoelectric devices (92). The apparatus may be particularly beneficial for use with a refrigerator (20) havi... | 04/09/1996 |
| 5501084 | Air sterilizer and deodorizer for a refrigerator A refrigerator includes a freezing chamber and a refrigerating chamber located beneath the freezing chamber and separated therefrom by a partition. An evaporator is disposed in the partition for cooling air received from the freezing and refrigerating cha... | 03/26/1996 |
| 5285655 | Refrigerator with freezer air directed over cooler compartment shelf A refrigerator includes a freezing compartment and a refrigerating compartment located therebelow. A front door to the refrigerating compartment carries vertically spaced shelves for storing food. An air path extends from the freezing compartment to the r... | 02/15/1994 |
| 5159973 | Dual temperature maintenance food serving compartment with pre-cooled cooling modules and heat storage pellets An improved food serving cart of the type having a compartment for holding multiple trays of prepared foods having both hot and cold food and/or beverage portions thereon, the improvement including a vertically disposed cold reservoir for holding replacea... | 11/03/1992 |
| 5156015 | Method and apparatus for circulating cold air for an indirect-cooling type refrigerator A cold air circulating method and apparatus for an indirect-cooling type refrigerator which supplies the whole cold air from an evaporator only to a freezer compartment, discharges most of the cold air circulated within the freezer compartment into a fres... | 10/20/1992 |
| 4916921 | Ice maker with vertical cooling member An ice maker employing a relatively thin ice tray with sealed ice cube receptacles and having a freezing chamber of relatively small volume cooled by a high capacity cooling plate. The ice cube receptacles are sealed by a frangible cover to keep liqid wat... | 04/17/1990 |
| 4722200 | Segregated air supply for an accurately temperature controlled compartment A refrigerator is provided with a separately cooled compartment having an air flow independent and segregated from an air flow which cools the main refrigerator compartment. A plate is positioned adjacent to the evaporator and one side of the plate forms ... | 02/02/1988 |
| 4602827 | Island-type chest freezer with hinged cover panels An island-type chest freezer for the display of food products to the public. The chest includes a base and a rectangular container provided with an evaporator for receiving the products as well as cover panels. The chest freezer includes a beam disposed l... | 07/29/1986 |
| 4590773 | Heat exchanger for refrigerator A heat exchanger adapted to be mounted as required in the freezing chamber of a refrigerator so as to effect a rapid freezing. The heat exchanger comprises a heat exchanger body constituted by a pair of plates bonded by rolling to each other, the plate be... | 05/27/1986 |
| 4509335 | Pre-assembled cooling and air circulating module for a household refrigerator A refrigerator including two compartments, one of which is maintained at a temperature above freezing and the other of which is maintained at a below freezing temperature. The refrigerator cabinet is divided into the two compartments by a divider that is ... | 04/09/1985 |
| 4483151 | Car air conditioner with a freezer/refrigerator This invention provides a freezer/refrigerator system which has a compressor driven by an engine of a vehicle to equally supply a refrigerant under pressure to a cooler unit and a freezer/refrigerator unit. An electromagnetic valve is disposed in a refrig... | 11/20/1984 |
| 4229945 | Household refrigerator air flow control and method A refrigerator having a freezer compartment on top and a fresh food compartment below with an air duct connecting the two compartments. A temperature control system and method of controlling is provided and includes a temperature sensing element located a... | 10/28/1980 |
| 4223538 | Refrigerator compartment divider mounting An improved refrigerator partition bottom closure support frame assembly comprising a pair of side wall sections and a rear wall section whereby the closure may be slidably removed and reinstalled without removal of the closure support. The support frame ... | 09/23/1980 |
| 4198222 | Condensation preventing arrangement for interior of a household refrigerator A combination refrigerator has a fresh food compartment and a freezer compartment separated by a partition. To prevent unsightly moisture droplets from forming on the partition surface facing the fresh food compartment, the partition surface is coated wit... | 04/15/1980 |
