The first commercial microwave oven was nearly 6 feet tall and weighed in at 750 pounds.
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 |
| 6994254 | Tape indicia on clear film media A print medium is encoded with information bearing indicia. A transparent layer or substrate which receives the printed information during printing has a first surface, a second surface and a leading edge. A strip of tape is applied to the first surface. A machine r... | 02/07/2006 |
| 6969549 | Techniques to prevent leakage of fluorescing signals through print media or indicia tape A substrate structure encoded with information bearing indicia includes a substrate having a first surface and a second surface. Formed on the first surface is a first information bearing indicia defined by a fluorescent material. A second information bearing indici... | 11/29/2005 |
| 6565657 | Hand device for transferring a film from a backing strip to a substrate, with a return lock A hand device for transferring a film, of, for example, adhesive, covering, or colored material, from a backing strip to a substrate. A supply spool and a take-up spool for the backing strip are rotatably mounted in a housing. An applicator tip is arrange... | 05/20/2003 |
| 6521045 | Clutch mechanism of coat film transfer tool and coat film transfer tool A clutch mechanism having an easy-to-manufacture and inexpensive constitution, by making use of frictional engaging force in thrust direction, in a coat film transfer tool of automatic winding type. At least at the feed reel side, a clutch mechanism is pr... | 02/18/2003 |
| 6500259 | Coat film transfer tape cartridge and coat film transfer tool A refill type coat film transfer tool, specifically a tape cartridge for a coat film transfer type having a support main body of lightweight and simple structure, capable of replacing a coat film transfer tape easily, securely and promptly. The support ma... | 12/31/2002 |
| 6454856 | Structure of winding correction tape in correction tape adhesive A device for winding correction tape in a corrective film dispenser comprising a supplying reel and winding reel arranged between upper and lower cases and a tape guider projected through the front ends of the cases through which a correction tape with a ... | 09/24/2002 |
| 6171397 | Paint film transfer device A film (e.a., a paint film) transfer device includes case, a supply reel around which paint film transfer tape is wound, and a take-up reel for taking-up used tape which is supplied from the supply reel and used. The supply and take-up reels are rotatably... | 01/09/2001 |
| 6125903 | Adhesive transfer device An adhesive transfer device is provided, which can lead a separable paper sheet after adhesive transfer to the outside of its case so that the separable paper sheet is not collected therein, is not consumable but capable of being re-used by renewing a tap... | 10/03/2000 |
| 5942036 | Correction tape roller device A correction tape roller device which can be easily refilled is provided. It is difficult to shorten the distance between the first and second shafts in the conventional tape roller device of the prior art thereby causing the prior art device to be of a r... | 08/24/1999 |
| 5785437 | Tape cartridge for coating film transfer tool and coating film transfer tool A tape cartridge detachably attached to a refill type coating film transfer tool that allows replacement of coating film transfer tapes, and formed in a compact size and simple structure using fewer components. The tape cartridge has a compact size and si... | 07/28/1998 |
| 5759270 | Correction tape adhesiver for correcting mistyped letters This invention relates to a correction tape adhesiver for correcting a mistyped letter comprising a rotatable tape guider which may turn its direction according to the gripping posture and/or using direction of the user. Said tape guider is formed separat... | 06/02/1998 |
| 5709487 | Ribbon cassette with guide member A printer is provided with a platen having a sloping plane platen surface, a medium guide path for smoothly guiding paper along the plane including the platen surface, a transparent open/close paper guide positioned above the medium guide path, and two pa... | 01/20/1998 |
| 5568986 | Printer device A printer device is provided with an erasing portion for erasing recorded items of a medium on which characters or figures have been recorded, and a recording portion for printing or copying the surface of the medium having passed through the erasing port... | 10/29/1996 |
| 5529408 | Thermal transfer recording method including preheating thermal transfer recording medium A thermal transfer recording and correction method, in which a thermal transfer ink layer is placed in contact with a transfer-receiving medium and is heated by heat generating elements of a thermal head in a pattern corresponding to a recording signal, i... | 06/25/1996 |
| 5350247 | Printer having erasing mechanism for repeated erasure A printer capable of completely erasing printed characters while reducing noise which may be generated during the erasure. After an erase key is manipulated and the holder member is moved to its erase position, a motor is energized and driven at a motor c... | 09/27/1994 |
| 5269865 | Thermal transfer material and thermal transfer recording method There are provided a "self-correctable" thermal transfer material and a thermal transfer recording method using the transfer material. The thermal transfer material comprises a support, a first ink layer, a second ink layer and a third ink layer disposed ... | 12/14/1993 |
| 5028157 | Printer having an erasing mechanism A printer has a mechanism for erasing a printed character by impacting a type through an erasing ribbon, and a stepping motor for rotating a type wheel to select a character. In an erasing operation, the type wheel is rotated by the stepping motor by a sm... | 07/02/1991 |
| 5024545 | Multi-impact character erasing apparatus with control of correction ribbon feed In a printed character printed with a printing apparatus provided with a plurality of type elements and a print hammer, the specified left or right edge portion thereof has ink adhered heavily on the paper, and this specified edge portion is difficult to ... | 06/18/1991 |
| 4950536 | Pressure-activatible lift-off correcting tape An invention relates to a pressure-activatible correcting tape, which has a conventional carrier and a lift-off layer for removing typed or printed type images, the lift-off layer containing a wax, a binder and optionally further additives. This correctin... | 08/21/1990 |
| 4923315 | Printer with print head releasable after predetermined amount of successive printing or erasing A printer having a print head adapted to be pressed against or released from a print paper mounted on a platen, wherein a print operation or an erase operation is performed by moving the print head in press contact with the print paper through an ink ribb... | 05/08/1990 |
| 4913566 | Spell check device with display Disclosed is a typing device wherein relational data such as correct spelling word may substitute the printed word. When the printed data is substituted by the relational data, the succeeding printed data posterior to said printed data to be substituted i... | 04/03/1990 |
| 4900171 | Ink ribbon and correction tape cassette compatibility A means for assuring ink ribbon and correction tape compatibility in a device which utilizes a first cassette having an ink ribbon therein and second cassette having a correction tape therein including a switch means in the device that controls the on-off... | 02/13/1990 |
| 4891260 | Multilayer flexible transfer ribbon A transfer ribbon for applying a film of a cover material to a substrate, especially a paper substrate provided with markings to be covered or to be provided with a stripe of color from a coloring agent contained in the cover material, has a carrier-foil ... | 01/02/1990 |
| 4836106 | Direct offset master by resistive thermal printing This invention describes a direct master for offset printing. The master comprises a thin metal layer, a thermoplastic layer disposed on the metal layer, and a conductive oxide layer evaporated on the metal layer. When this master is subjected to electric... | 06/06/1989 |
| 4804283 | Ribbon feed device including tensioning control means The invention provides a ribbon feed device wherein a ribbon take-up mechanism located on a ribbon frame which is mounted for up and down pivotal motion on a carrier and carrying thereon an elongated ribbon along a platen takes up the ribbon in response t... | 02/14/1989 |
| 4786195 | Erasing means for thermal transfer printer A thermal transfer printer which can simply and assuredly erase a symbol recorded in error with thermal transfer ink on record paper. The printer comprises, in addition to a printing transfer ribbon and a printing thermal head, an erasing ribbon carrying ... | 11/22/1988 |
| 4773778 | Fabric printer ribbon comprising a liquid vehicle containing a decolorizable Lewis acid/Lewis base complex A fabric printer ribbon impregnated with a transfer medium comprised of a vehicle liquid and coloring agent dispersed in the vehicle liquid. The fabric printer ribbon may further contain property-improving additives. As the coloring agent, the ribbon cont... | 09/27/1988 |
| 4762431 | Modified thermal printing using a heated roller and with lift-off correction Roller 1 is heated to a temperature at which correctable thermal printing is caused to be better fixed to the paper and to be darker, while lift-off correction may be subsequently conducted. Roller 1 is spaced from printhead 3 a distance sufficient to per... | 08/09/1988 |
| 4749289 | Printing device for attribute printing In a printer for printing an attributed character by printing a character part and an attribute part separately, the invented printer or typewriter is so constructed that only an attribute part, e.g., an underline part or a bold face part, is printed in c... | 06/07/1988 |
| 4746933 | Thermal record-erase head A thermal head has heating resistors for thermal image recording and a lift-off heating resistor for ink lift-off. In image recording, both resistors are energized to maintain the ink adhesive to a recording sheet until an ink ribbon is separated from the... | 05/24/1988 |
| 4746388 | Correction method A lift-off tape capable of being used many times which comprises a foundation and an adhesive layer provided on one major surface of the foundation, said adhesive layer containing a plasticizer capable of plasticizing a polyamide resin which is a main com... | 05/24/1988 |
| 4724445 | Thermal printer erasure system A thermal transfer printer erases previously recorded characters by applying heating energy of higher surface density than that used to originally transfer thermally fusible material onto a recording sheet. A thermal transfer tape made of a polyester film... | 02/09/1988 |
| 4700200 | Thermal printer A thermal printer wherein a character or symbol printed on record paper by transfer can be corrected or erased by suitably controlling the printing energy applied to a thermal head, without the necessity of provision of a specific mechanism for correcting... | 10/13/1987 |
| 4671687 | Eraser of characters etc. An eraser of the present invention comprises a magazine having set therein a carriage means for mounting a freely turning first reel loaded with an erasing ink transfer tape and a second reel for winding up the used erasing ink transfer tape and a head fo... | 06/09/1987 |
| 4654674 | Thermal lift-off correctible record and erase printer A thermal printer for thermal transfer printing, adapted to use a printing ribbon carrying a fusible ink layer and an erasing ribbon carrying a thermoadhesive resin layer. The thermal head of the thermal printer has a printing heating unit disposed opposi... | 03/31/1987 |
| 4651162 | Thermal printer erasure method A printing method for a thermal printer having a heat-sensitive recording medium containing a coloring material interposed between a recording paper laid on a platen and a thermal head. For printing, the coloring material is transferred from the recording... | 03/17/1987 |
| 4637744 | Actuation device for two typewriter functions A cartridge for a typing ribbon and spools for a correcting ribbon are mounted on a common frame which can tilt about a spindle. In a lowered position of the frame the typing line behind a daisy wheel is visible. The frame is raised by a first stroke to t... | 01/20/1987 |
| 4634629 | Lift-off tape usable many times A lift-off tape capable of being used many times which comprises a foundation and an adhesive layer provided on one major surface of the foundation, said adhesive layer containing a plasticizer capable of plasticizing a polyamide resin which is a main com... | 01/06/1987 |
| 4572687 | Repetitive mode for thermal printing lift-off correction Ribbon (22) in thermal printing has an outer layer which adheres to printed characters of intermediate temperatures, lower than printing temperatures. The printhead (7) has a column of electrodes (9) which sweep across the character area. Erase mode selec... | 02/25/1986 |
| 4547088 | Correctable thermal transfer printing ribbon The ink layer of a thermal transfer printing ribbon is overcoated with a hold-off layer which serves to make the resulting printing more easily correctable. The hold-off layer operates by preventing penetration by the ink layer into the substrate being pr... | 10/15/1985 |