...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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 |
| 6423948 | Microtiter plate with integral heater A microtiter plate system includes an integral heater. In an embodiment, the integral heater includes a heater plate. In another embodiment, the integral heater includes resistive heater wires positioned beneath and/or between the wells of a microtiter pl... | 07/23/2002 |
| 6414274 | Electrical heater lid The Electrical Heater Lid is a cover-type food cooking and warming apparatus that provides surface cooking by evenly passing intense heat over the food being cooked in a pot, pan, or skillet. Many foods require surface heat to eliminate flipping the food ... | 07/02/2002 |
| 6399526 | Heat treating apparatus using quartz glass A quartz glass which would not become a source for the contamination even if it contains metallic impurities. This quartz glass includes a region where a concentration of E' center as measured by means of an. electron spin resonance analysis is 3×10... | 06/04/2002 |
| 6369364 | Electric thermo pot An electric thermo pot provided with a coating layer formed on the inner surface of the vessel containing powdered charcoal. Electric thermo pot of the present invention improves quality of liquid kept therein. It is generally believed that the liquid qua... | 04/09/2002 |
| 6362460 | Warmer-holder for body applied liquids A warmer-holder for use with body applied liquids has a small volume open topped receptacle able to receive a few ounces of the liquid, the receptacle supported by prongs inserted into a wall outlet. A low power heater element is energized when the holder... | 03/26/2002 |
| 6355911 | Method of securing articles and an electric kettle made by such a method There is disclosed a method of securing a stainless steel housing (12) for a kettle (10), a polypropylene or polycarbonate water gauge (14), and a polypropylele or polycarbonate backing element (16A, 16B, 16C, 16D, 16E), including the steps of (a) welding... | 03/12/2002 |
| 6316750 | Apparatus for warming medical pads An insulated case designed to keep medical pads warm and in a condition ready for application over a period of hours. The case typically includes a cover, multiple internal containers and a source of controlled heat to warm the pads. The pads, after being... | 11/13/2001 |
| 6310325 | Steamer oven with controlled condensing of steam A hollow pressure cooking vessel comprises a bottom, a top and sides. A steam reservoir is provided in the bottom and radiant heaters are provided in the top. The interior of the top is a dome or has sloped sides and radiant heaters are spaced externally ... | 10/30/2001 |
| 6255627 | Thermal treatment system and method for maintaining integrity and ensuring sterility of surgical drapes used with surgical equipment A thermal treatment system warming basin for warming a sterile liquid or medium includes a heating pad disposed on the exterior surface of the basin floor in various configurations (e.g., spiral, `I`, `X` or serpentine configurations, multiple heating pad... | 07/03/2001 |
| 6180925 | Heating element with regions of high/low density A heating element for a liquid heating vessel, comprises a metal substrate, an insulating layer provided over the substrate, and an electrically conductive heating track provided over the insulating layer. The heating track comprises a path extending betw... | 01/30/2001 |
| 6172340 | Structure of a hot water bottle A hot water bottle includes a bottle bottom, a bottle body, and a bottle cover. The bottle body is made of transparent glass which allows the level of water to be seen clearly from the outside of the bottle. A plurality of protective strips, with proper d... | 01/09/2001 |
| 6155159 | Safety device for electric cooking appliance having a removable bowl A safety device for an electric cooking appliance, the appliance having a case forming a housing provided to receive a removable bowl and a unit for heating the bowl. The safety device is composed of an element for sensing the presence of the bowl in the ... | 12/05/2000 |
| 6140614 | Electric drinking cup for vehicles An electric drinking cup for use while driving a vehicle comprised of a plastic inner liner, a metal outer shell, and an insulation-filled space therebetween. A heating element is associated with the bottom portion of the inner liner, and is electrically ... | 10/31/2000 |
| 6137089 | Heating element A heating element comprises a thermally conductive substrate, an electrically insulating layer provided over the substrate, and a heating track deposited on the insulating layer. The heating element has a dished portion defining a concave face on one side... | 10/24/2000 |
| 6121585 | Electrically heated beverage cup and cupholder system A beverage cup and cupholder system made in accordance with the principles of the present invention includes a beverage cup 10 and a cupholder 50. The beverage cup 10 includes a sleeve 13, a liner 19, and a base 20. The base 20 includes an O-ring 22, a pl... | 09/19/2000 |
| 6121586 | Liquid heating vessel The base (10) of a plastics liquid heating vessel (2) is formed by a heated stainless steel plate having a peripheral channel (16) engaging over a bead (32) lower end portion (22) of the vessel wall. A silicone rubber sealing ring (19) is clamped between ... | 09/19/2000 |
| 6118102 | Immersion heating element sandwiched between two substrates An immersion heating element comprises first and second heat conducting substrates defining top and bottom surfaces of the heating element. An electrically insulating layer is provided on one side of each substrate, and the two substrates are mounted toge... | 09/12/2000 |
| 6114667 | Integral rivet for attachment of parts including an annular recess Device for attaching together parts of a household electric appliance, one of which parts is a metal assembling part in the form of a sheet or plate having opposed first and second major faces, the device being composed of an assembling and retaining elem... | 09/05/2000 |
| 6107607 | Heated driptray The present invention relates to drinks dispense equipment having an ice dispensing capability. A drip tray is secured to such a dispenser and the drip tray has an electrical heating element secured directly to a bottom surface thereof. The heating elemen... | 08/22/2000 |
| 6097004 | Multipurpose pan A multipurpose pan includes a plurality of supports mounted on an inner bottom side of a housing and a heating plate mounted on the supports. The heating plate is made of stone or metal and includes a recess on its outer bottom side for mounting on the he... | 08/01/2000 |
| 6089145 | Cooking apparatus The invention concerns an apparatus for cooking food. There is a plastic housing with air flow holes, heating elements, a metal conductive pan with additional holes to allow airflow to enter the cooking chamber, a cylindrical riser, and a lid.... | 07/18/2000 |
| 6091058 | Thermal treatment system and method for maintaining integrity and ensuring sterility of surgical drapes used with surgical equipment A thermal treatment system warming basin for warming a sterile liquid or medium includes a heating pad disposed on the exterior surface of the basin floor in various configurations (e.g., spiral, `I`, `X` or serpentine configurations, multiple heating pad... | 07/18/2000 |
| 6080968 | Liquid heating vessels A control for engagement with the external base of a liquid heating vessel comprises a carrier mounting two bimetallic actuators at opposite ends thereof. The actuators operate at the same temperature. Attached to the carrier is a moulding which provides ... | 06/27/2000 |
| 5935468 | Insulated electrically heated pot and manufacturing method therefor The present invention relates to an insulated electrically heated pot which is provided with an insulated container and an electric heating apparatus disposed therewithin, into which insulated container a liquid such as water or the like is introduced and... | 08/10/1999 |
| 5927181 | Deep fat fryer with removable vessel Cooking apparatus having a removable vessel (3) intended to contain a cooking medium (9) and food to be cooked, comprising a frame (1) in which is provided a housing (2) intended to receive the vessel (3), heating device (4) disposed at the bottom of said... | 07/27/1999 |
| 5914063 | Liquid heating vessels The base of a plastics liquid heating vessel is formed by a heated stainless steel plate having a peripheral channel engaging over a bead lower end portion of the vessel wall. A silicone rubber sealing ring is clamped between the vessel wall and the chann... | 06/22/1999 |
| 5908570 | Electric kettle with metal heater plate An electric kettle includes a plastics material tank side wall structure for liquid to be heated and a heating arrangement including an electrical element associated with a metal heater plate mounted at the bottom of the side wall structure with its top f... | 06/01/1999 |
| 5892204 | Vacuum coffee maker A vacuum coffee maker has a starved electric heating arrangement having a solid body providing a reservoir. The chamber is covered by a circular lid that prevents flow of steam directly vertically up a tube from the chamber. At the end of a normal heating... | 04/06/1999 |
| 5865098 | Multiple container slow cooker device A multiple container slow cooker device that includes a manual disabling mechanism for manually disabling the cooking element of one of the food cooking containers and an automatic cooking element disabling mechanism for disconnecting the cooking element ... | 02/02/1999 |
| 5847363 | Hair removal wax device A hair removal wax device comprising at least one tank (9) linked to a heating means (11) and a detachable instrument, independent from the tank (9), designed for sampling from the tank (9) a quantity of molten wax, with a means (12) for transferring of a... | 12/08/1998 |
| 5786573 | Heater for shaving cream containers enabling vertical adjustment of the heater relative to the container A heater for conventional shaving cream containers is described which includes a dome- or ring-shaped heating element. The ring-shaped heating element can be either a donut-shaped heater that fits around the outer surface at the upper region of the shavin... | 07/28/1998 |
| 5782165 | Multi-purpose cooking apparatus A multi-purpose cooking appliance comprising: a self-supporting base, a lid mountable on the base, a cooking chamber defined between the base and the lid, a heat conductive pan within the cooking chamber, a heat source connected to the heat conductive pan... | 07/21/1998 |
| 5778768 | In or relating to woks A wok having an electric heating element a first portion of which extends in the area of the underside of the central portion of the wok and a second portion continuous with the first portion which extends circumferentially on the underside of the wok in ... | 07/14/1998 |
| 5741532 | Apparatus for introducing additives into a grid spinning system An apparatus for melting particulate polymeric material includes a melting grid and a molten polymer reservoir beneath the grid. The apparatus has a lateral cross-sectional contour defined by walls. Further included is a distribution device having upper a... | 04/21/1998 |
| 5712465 | Insulated electrically heated pot and manufacturing method therefor An insulated electrically heated pot is provided with an insulated container and an electric heating apparatus disposed within the container. A liquid such as water is introduced and heated in the insulated container, and the temperature of the liquid is ... | 01/27/1998 |
| 5659874 | Device for conducting chemical operations Device for conducting chemical operations, comprising a working chamber (1) delimited by a top (2), a bottom (3), side walls (4, 5) and a door, a microwave energy generator (6) for the chamber, and a reactor (7) having at least one neck (8) and resting in... | 08/19/1997 |
| 5656188 | Stackable skillet with extendable side and adjustability features The stackable skillet has an open ring which is removeably attached to the upper edge of the skillet to extend the skillet upwardly thereby creating a deeper cavity. Removable and pivotable support structures are attached to the open ring and support remo... | 08/12/1997 |
| 5651905 | Heating device for a small appliance Disclosed is a new heating device for an appliance such as a coffee urn. Such device has a main heating element and a spaced-apart warming element, both of which are embedded in a common casting. The device may be mounted to and removed from an appliance ... | 07/29/1997 |
| 5582754 | Heated tray A heated tray which can be activated to release a frozen liquid from compartments thereof. The tray includes an electrically insulative body having one or more compartments for receiving a liquid to be frozen. The tray also includes an electrically conduc... | 12/10/1996 |
| 5555997 | Pressure compensating water heater A water heater storage tank including a rigid outer shell having ports connected for water flow into and out from the storage tank. The water heater storage tank also has a flexible container within the outer shell having a wall and fittings connected to ... | 09/17/1996 |