...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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.
| Application No. | Application Title | Issue Date |
| 20120014704 | CHARGE DIRECTOR INJECTION SYSTEM A charge director injection system includes a charge director tank, a liquid toner tank, a charge director pump to pump charge director from the charge director tank into the liquid toner tank, and a control system configured to measure a change in charge density per am... | 01/19/2012 |
| 20110286757 | ARRANGEMENT TO REGULATE THE PROPORTIONS OF TWO COMPONENTS TO BE MIXED IN A MIXING UNIT BASED ON PREDETERMINED DESIRED VALUES In a method or system for regulation of real values of toner concentration and fill level in a mixing unit to predetermined desired values in a developer station of an electrographic printing apparatus, the real value of the toner concentration in the mixing unit is adj... | 11/24/2011 |
| 20110206397 | IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD An image forming apparatus comprising a latent image carrier for supporting a latent image, a charging unit for charging the latent image carrier, a developing unit for developing the latent image supported by the latent image carrier which has a developing member for s... | 08/25/2011 |
| 20110116820 | DEVELOPER CONCENTRATION ADJUSTMENT APPARATUS, METHOD FOR ADJUSTING DEVELOPER CONCENTRATION, AND IMAGE FORMING APPARATUS USING THE SAME This invention provides a developer concentration adjustment apparatus, a method for concentration adjustment, and an image forming apparatus, in which concentration adjustment is performed by use of a stirring load as a substitute characteristic of viscosity which repr... | 05/19/2011 |
| 20110058837 | DETECTING COLORANTS WITHIN CARRIER LIQUID A detecting apparatus is to at least assist in determining the concentration of colorants within a carrier liquid. The colorants at least absorb light and/or diverge light. The detecting apparatus includes one or more light sources to emit light, and one or more light d... | 03/10/2011 |
| 20110020023 | TONER CONCENTRATION ADJUSTING SYSTEM AND IMAGE FORMING APPARATUS USING THE SAME The present invention provides a toner concentration adjusting system and an image forming apparatus which can accurately adjust toner concentration by controlling the supply of a concentrated developer even if a production lot of the concentrated developer is different... | 01/27/2011 |
| 20100124428 | Image forming apparatus and method for image forming A developing device using a liquid developer removes developer using the contact-rotation between rollers such as a developing roller and thin layer forming roller when an image is not formed, and includes a contact pressure modification section that modifies the contac... | 05/20/2010 |
| 20100111553 | Developing Device and Image Forming Apparatus A developing device includes a developer storage portion that stores a liquid developer including toner and carrier liquid. A first coating member rotates and coats the liquid developer stored in the developer storage portion. A second coating member contacts the first ... | 05/06/2010 |
| 20100104302 | Developing Device, Image Forming Apparatus, and Developing Method A developing device includes: a developer storage portion which stores a liquid developer including toner and carrier liquid; a first coating member which rotates and coats the liquid developer stored in the developer storage portion; a second coating member which comes... | 04/29/2010 |
| 20100080595 | Image Forming Apparatus, Developing Method, and Image Forming Method An image forming apparatus includes: a latent image carrier on which a latent image is formed; a charging unit that charges the latent image carrier; an exposing unit that exposes the latent image carrier charged by the charging unit and forms the latent image; a develo... | 04/01/2010 |
| 20090324269 | LIQUID DEVELOPERS WITH UV CURABLE ADDITIVES AND METHODS FOR THEIR PREPARATION A method for printing a substrate by liquid developer electrography, the method comprising: (a) developing a latent image with liquid developer comprising toner particles dispersed in a carrier liquid, said toner particles comprising UV-curable additive; (b) transferrin... | 12/31/2009 |
| 20090297193 | DENSITY DETECTION DEVICE AND IMAGE FORMING APPARATUS In a density detection device, a casing includes an internal space. An inflow path is communicated with the internal space through an inlet facing the internal space. An outflow path is communicated with the internal space through an outlet facing the internal space. A ... | 12/03/2009 |
| 20090175642 | TONER SUPPLIER APPARATUS A toner supplier apparatus 1 is provided for stabilizing the concentration of toner reserved in a main tank. A concentration sensor for measuring the concentration of the toner is provided in a toner-feeding pipeway for supplying liquid toner from a main tank for... | 07/09/2009 |
| 20090142085 | VARIABLE VOLUME TONER REPLENISHER DISPENSER FOR TIPP SYSTEMS A printing fluid dispenser system for multi-printer engine assembly is disclosed. The system includes a first dispenser that is adjacent to the print engine that is configured to pass printing fluid to an associated printing engine, a second dispenser adjacent to the fi... | 06/04/2009 |
| 20090123167 | Liquid Developer Collecting System and Image Forming Apparatus Including the Same A liquid developer collecting system. A collection section collects liquid developer from a photosensitive body. A storage section stores liquid developer collected by the collection section. A first feed unit feeds liquid developer from the storage section to a concent... | 05/14/2009 |
| 20090110423 | Liquid Developer Collecting System and Image Forming Apparatus Including the Same A liquid developer collecting system includes a developing roller cleaning unit that collects liquid developer on a developing roller; a developer storage unit that stores the liquid developer collected by the developing roller cleaning unit; and a concentration control... | 04/30/2009 |
| 20090110424 | Liquid Developer Collecting System and Image Forming Apparatus Including the Same A liquid developer collecting system. A developing unit has a developing roller. A developing roller cleaning unit collects liquid developer on the developing roller. A concentration control unit stores liquid developer collected by the developing roller cleaning unit a... | 04/30/2009 |
| 20090060546 | Liquid Measuring Device, Liquid Developer Storing Apparatus, and Image Forming Apparatus A liquid measuring device includes a floating member that is moved in accordance with a liquid surface, a first magnetic field generator that is disposed in the floating member and positions its north (N) pole to face a first direction, a second magnetic field generator... | 03/05/2009 |
| 20090035670 | Hard imaging methods, liquid marking agent monitoring methods, and hard imaging devices Hard Imaging Methods, Liquid Marking Agent Monitoring Methods, and Hard Imaging Devices are described. According to one embodiment, a hard imaging method includes forming a plurality of latent images using a hard imaging device, using the hard imaging device, developing... | 02/05/2009 |
| 20090035003 | Hard imaging methods and hard imaging devices Hard imaging methods and hard imaging devices are described. According to one embodiment, a hard imaging method includes forming a plurality of latent images, using a development assembly, developing the latent images using a liquid marking agent, transporting the liqui... | 02/05/2009 |
| 20080317489 | Apparatus and method for adjusting concentration of liquid developer In order to conform a specific correction table to the characteristics of a liquid developer to be used, the specific correction table is created by calibrating a standard correction table stored in advance by using a viscosity property value of a liquid developer for c... | 12/25/2008 |
| 20080267647 | CONCENTRATION DETECTION DEVICE AND IMAGE FORMING DEVICE A concentration detection device includes a tubular member, a light-emitting member, and a light-receiving member. The tubular member includes a liquid developer inlet that inlets liquid developer, and a liquid developer outlet that discharges the liquid developer. A li... | 10/30/2008 |
| 20080205921 | Apparatus and method for measuring or controlling concentration of liquid developer Provided are an apparatus and method for measuring the concentration of liquid developer, and an apparatus and method for controlling the concentration of liquid developer in which the concentration of a highly concentrated developer is easily and accurately measured or... | 08/28/2008 |
| 20080138101 | Color Image Forming Apparatus and Color Image Forming Method A color image forming apparatus includes, for each of liquid developers of plural colors, a photosensitive member, a developing roller, an agitating device that agitates a liquid developer having a viscosity characteristic dependent on a shearing force, and a developer ... | 06/12/2008 |
| 20080112719 | Liquid volume detector, liquid mixture supplying system adopting such liquid volume detector and image forming apparatus A liquid volume detector for detecting the volume of a liquid in a container is provided with a liquid level detecting member which is arranged at a specified height position in the container and on which a load acts by the liquid when the liquid level in the container ... | 05/15/2008 |
| 20070286626 | SOLID-CONCENTRATION MEASURING APPARATUS AND METHOD THEREOF, AND SOLID-CONCENTRATION SYSTEM A solid-concentration measuring apparatus includes an ultrasonic transmitter, an ultrasonic receiver, and a response-time integrator. The ultrasonic transmitter transmits a single-pulse ultrasonic wave to a liquid toner. The ultrasonic receiver receives the single-pulse... | 12/13/2007 |
| 20070280712 | Apparatus and method for monitoring marking liquid A method and apparatus for monitoring marking liquid including a carrier liquid having solid particles therein. A transmitter emits an ultrasonic signal into the marking liquid. The ultrasonic signal is received by a receiver and processed by a controller to determine a... | 12/06/2007 |
| 20070098425 | Methods for moderating variations in writing parameters in liquid toner printing A method of maintaining at least one writing parameter within a range during printing in a liquid toner printing system, comprising: setting an acceptable range for the at least one writing parameter; and, determining if the at least one writing parameter is within the ... | 05/03/2007 |
| 20060188279 | Image forming apparatus and method using liquid development A CPU 113 executes a control program stored in a memory 116 thereby forming a plurality of patch images with a developing bias increased for each of the patch images; detecting a density of each of the patch images by means of a patch sensor 17; and... | 08/24/2006 |
| 20060188278 | Liquid toner concentration detecting device, and image forming apparatus and method of controlling concentration of liquid toner A first container is operable to accommodate a liquid toner, and provided with a window. A reflector is disposed in the first container. A light emitter is operable to emit light to the reflector through the window and the liquid toner. A light receiver is operable to r... | 08/24/2006 |
| 20060153585 | Controlling apparatus for developing roller, image forming device having the same, and developer controlling method thereof A image forming apparatus having a developer controlling apparatus for a developing roller is provided to uniformly control an amount of developer deposited on the developing roller and a developer controlling method thereof. The apparatus includes a sensing part having... | 07/13/2006 |
| 20060078343 | Wet-type image forming apparatus, a toner concentration sensing method, and a method for controlling wet-type image forming apparatus A wet-type image forming apparatus and method is provided to sense and maintain a toner concentration level of a developer, and includes a counter for counting the number of dots of input print data, a memory for storing an average coverage of a print medium which corre... | 04/13/2006 |
| 20060045552 | Toner temperature adjustment method and device for liquid-development electrophotographic device Liquid toner which remains on the surface of a photosensitive drum 2 after transfer of a toner image to an intermediate transfer member 1 is collected in a collection pot 6a. The collected liquid toner is led to a carrier pot 20, and i... | 03/02/2006 |
| 20060045553 | Wet-type electrophotographic image forming apparatus and method for controlling collection of developer A wet-type electrophotographic image forming apparatus includes a development unit for developing an image on a photosensitive medium, a developer cartridge for supplying a developer to the development unit, a developer collection unit disposed between the development u... | 03/02/2006 |
| 20060018677 | Detector for detecting abnormality in developer passage, image forming device having the same, and detection method thereof A detector for detecting an abnormality in the developer passage includes a sensing unit for detecting a rotational speed of the developer pump, a rotational speed storage for storing rotational speed reference of the developer pump, and a controller for controlling the... | 01/26/2006 |
| 20050141910 | System and method for measuring charge/mass and liquid toner conductivity contemporaneously A method measures the conductivity (σ) of a liquid or paste electrophotographic toner by providing two parallel plane conductive plates with a uniform separation (d) between the plates to form a space between the plates; filling the space between the plates with liquid... | 06/30/2005 |
| 20050129422 | Developer supply and recovery system used with wet electro-photographic image forming apparatus, and method thereof A developer supply and recovery system used with a wet electro-photographic image forming apparatus includes a supply pump installed on a supply line to supply a developer from an ink cartridge to a development bath, a recovery pump installed on a recovery line to recov... | 06/16/2005 |