U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5508049

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.

Newsletter  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.

 

Attorney: Brady; John A.


Number of patents: 446
Last date: April 15, 2008

1                      
NumberTitleIssue Date
7358017Photoconductor with ceramer overcoat
A polyurethane-silica hybrid, or polyurethane-silica/silsesquioxane hybrid overcoat improves the life of the photoconductor drum without significantly altering the electrophotographic properties of the PC drum. Wear can be caused by a variety of factors, which inclu...
04/15/2008
7288350Photoconductor member with bound silicone oil
A charge transfer layer system that encapsulates or surrounds high viscosity silicone oils (polysiloxanes) using silicone microspheres, fluoropolymers such as polytetrafluoroethylene or inorganic particles such as silica, or metal soaps (zinc stearate). The encapsul...
10/30/2007
7195850Photoconductor with light fatigue additives
A photoconductor having a charge generation layer and a charge transport layer, the charge transport layer having hydrazone or aryl amine charge transport molecules and also having as room light protective additives acetosol yellow 5GLS and tetraphenylcyclopentadien...
03/27/2007
7187460Host control of printer ready
Printer has a standby state in which the motor driving the laser scanning mirror is turned off immediately after a print job when another page is not ready. To increase operating speed, a signal to the printer starts a timer (Ready timer). When a page is printed, th...
03/06/2007
7126611Dithered quantization using neighborhood mask array to approximate interpolate
Methods and image forming systems for approximating the value of a function given specified values of input data using a sparse lookup table. Individual samples are quantized and rounded up or down to an adjacent lattice point of the lookup table. Rather than perfor...
10/24/2006
7041809Metal complex dyes for inkjet inks
A light-resistant, metal complex dye for inkjet printing comprising a substituted 8-heterocyclic azo-5-aminoquinoline of the following structural formula: ...
05/09/2006
7040746Inkjet ink having yellow dye mixture
An inkjet ink of exceptional overall color characteristics having about 4% by weight Direct Yellow 132 in acid form, about 1% by weight Acid Yellow 17 in acid form in water, also having a humectant, a penetrant and other generally known additives. The ink having chr...
05/09/2006
7006250Method of setting laser power and developer bias in an electrophotographic machine based on an estimated intermediate belt reflectivity
A method of calibrating an electrophotographic machine having an image-bearing surface includes estimating a reflectivity of the image-bearing surface based upon an amount of usage of the electrophotographic machine. At least one electrophotographic condition is adj...
02/28/2006
7001936Pigmented inkjet ink
The present invention provides pigmented inks comprising self-dispersing pigment and an amino-containing compound. The addition of an amino-containing compound to the self-dispersing pigment can improve the reliability and performance of the ink in an inkjet printhe...
02/21/2006
6991886Closed air circulation toner rounding
Toner is rounded by vigorously mixing less than about 5 percent by weight of particulate silica to the total weight of a starting toner in a closed, recirculating air system. The starting toner contains at least about 4.5 percent by weight of the starting toner of a...
01/31/2006
6991884Chemically prepared toner and process therefor
A chemically prepared toner for electrophotographic printers and method therefor using a unique polymeric dispersant. The chemically prepared toner includes agglomerated polymeric dispersant stabilized pigment particles, a fuser release agent, a charge control agent...
01/31/2006
6989853Method of margin alignment and plane-to-plane registration in a tandem color electrophotographic machine
A method of correcting registration in an electrophotographic machine includes the steps of adjusting one of a right margin and a left margin by setting a time delay, determining a longest line length of a calibration pattern, and adjusting an other of the right mar...
01/24/2006
6989852Method of margin alignment and plane-to-plane registration in a tandem color electrophotographic machine
A method of correcting plane-to-plane registration in an electrophotographic machine having a plurality of color planes includes the steps of printing a calibration pattern using each of the color planes; measuring at least one misregistration between the color plan...
01/24/2006
6984701Polymeric dispersants to improve smear in printing
This invention relates to polymeric dispersants useful in ink jet ink compositions. The graft polymers comprise monomers having electron rich functional groups, which exhibit favorable interactions with the surface of pigment particles thereby better stabilizing the...
01/10/2006
6978997Recovery from double media feed
Control (P) of imaging device (1) senses the period of time sensor (17) senses media (5) at input feed roller (16a). When a too-long-over-sensor condition is sensed, drive of input feed roller (16a) is terminated by o...
12/27/2005
6960741Large area alumina ceramic heater
A large area heater used, for example, in a laser printer belt fuser or as cooking surface, has an alumina substrate in which two bowed parts of alumina ceramic having opposed concave regions are formed together as a laminate. Electrical resistors are deposited on t...
11/01/2005
6954606Polyurethane coatings and drive rollers including the same
A drive roller having a polyurethane coating that has a coefficient of friction with respect to a belt effective to drive the belt over the operative life of the belt. The drive roller may be included in an image-forming device to drive a belt. ...
10/11/2005
6935734Apparatus and method for printing using a coating solid
An apparatus for ink-jet printing including an ink-jet print head to jet ink, a coating solid, and a coating holder to support the coating solid, wherein the coating holder transfers a portion of the coating solid onto a medium to form a coating solid layer. The coa...
08/30/2005
6933960Collimation assembly and methods and apparatus for calibrating collimation and pre-scan assemblies in a laser scanning unit
A collimation assembly for use in a laser scanning unit is provided. Methods for aligning collimation and pre-scan assemblies in a laser scanning unit are further provided. Also provided are alignment structures for use in aligning collimation and pre-scan assemblie...
08/23/2005
6902161Sheet feeder avoiding sheet sag
An entrance guide for externally fed sheet (4) to printer (1) is configured to bow the sheets. In one embodiment guides (5a, 5aa) within slot 7 have upper and lower configurations which force sheet into a bow. In one ...
06/07/2005
6897752Magnetic roller and methods of producing the same
A magnetic roller for electrophotography comprises a foamed resin magnetic material. A method of producing a magnetic roller comprises the steps of providing magnetic filler, a resin binder and a foaming agent in a closed mold; activating the foaming agent in the cl...
05/24/2005
6896724Pigmented inks and methods to improve ink performance
The present invention relates to a pigment dispersion and a method of producing a pigment dispersion by grinding a grind mixture comprising a pigment, a humectant, water, and a polymeric dispersant. The invention also relates to an ink composition comprising an aque...
05/24/2005
6888654Laser scanning unit and method and apparatus for calibrating a post-scan assembly in a laser scanning unit
A laser scanning unit is provided comprising a housing; a scanning assembly including a scanning device; a first light beam source directing a first light beam toward the scanning device; a second light beam source directing a second light beam toward the scanning d...
05/03/2005
6881272Selective removal of photoreceptor coatings by ultrasonification
A method for recycling photoconductors is disclosed. In this method, the charge transport layer is selectively removed from the photoconductor without adversely affecting the electrical properties of the charge generating layer. The recycled drum may then be recoate...
04/19/2005
6867883Method and apparatus for expanding a color gamut
A color gamut in a first color space is expanded to utilize a larger gamut in a second color space. The gamut in the first color space is first converted by black generation or geometric distortion to a gamut in a second color space. The gamut in the second color sp...
03/15/2005
6867286Yellow dyes and ink compositions
Provided are novel yellow azo dyes which are useful in ink compositions, especially ink jet compositions. The dyes and ink compositions of the present invention exhibit a good balance of optical density, print reliability, water fastness and light fashion and exhibi...
03/15/2005
6863719Ink jet ink with improved reliability
An ink composition comprising: a self-dispersing carbon black, a binder, a stabilizing dye comprising at least as many groups comprising CO2H or COSH as groups comprising SO3H, and an aqueous vehicle. The stabilizing dye can improve the reliabi...
03/08/2005
6843838Inkjet ink, dye set, ink set, and method of use thereof
The present invention provides inkjet inks, dye sets, and inkjet ink sets for use in inkjet printing methods. The inkjet inks and inkjet ink sets of the present invention can provide excellent photo-realistic print quality while achieving a high level of lightfastne...
01/18/2005
6840514Media alignment mechanism
A media alignment mechanism of a printer having duplex capabilities has two spaced elements (33, 34) defining a predetermined return feed path. Two reference edge segments (50, 61) are disposed between the spaced elements and separated from each other ...
01/11/2005
6836280Collimation assembly and methods and apparatus for calibrating collimation and pre-scan assemblies in a laser scanning unit
A collimation assembly for use in a laser scanning unit is provided. Methods for aligning collimation and pre-scan assemblies in a laser scanning unit are further provided. Also provided are alignment structures for use in aligning collimation and pre-scan assemblie...
12/28/2004
6833937Methods and apparatus for color mapping
A method and apparatus for mapping a color space to a colorant space. The method comprises an operation for selecting a color value from a color space, identifying a color value in a colorant space that minimizes a function parameterized to the color value selected ...
12/21/2004
6822672Printhead and fuser standby management
A laser printer having a rotating mirror (116) and a heat fuser (220) is operated with a sequence of standby conditions. At the end of a print job mirror (116) is continued to be rotated at printing speed while the temperature of fuser (220
11/23/2004
6818290Belt fuser belt
This invention comprises a fuser belt (1) of polyimide incorporating surface-oxidized boron nitride. The resulting enhanced flexibility provides continuing strength without physical damage during use of the belt in a belt fuser while thermal conductivity is p...
11/16/2004
6819884Determining toner usage
Toner transfer in an imaging device having a developer roller (5) that applies toner to a photoconductive roller 7 is determined by counting pels (38) and by counting operating cycles (56). Additionally in the embodiment, various device f...
11/16/2004
6814793Bleed control using cationic dyes as dispersant in pigment dispersions
An ink system comprising a first aqueous ink comprising a cationic pigment dispersion comprising a cationic dye and a pigment, and a second aqueous ink comprising an anionic dispersion comprising an anionic dispersant. The ink system reduces bleed between the two in...
11/09/2004
6816692Support assembly for roller including roller body and support shaft
Gear (52) and resin body (2) supported on shaft (1) and between frame members (14a) and (14b) are protected from contacting a frame member. Frame (14a) has a partial hole (22) with an opening (...
11/09/2004
6810229Non-contact fusing roller/media separation apparatus and method for its use
An improved fuser subassembly is provided for electrophotographic printers, in which the detack fingers that separate print media from the fuser hot roll do not make physical contact with that hot roll, and thus are “non-contact” detack fingers. A maximum cleara...
10/26/2004
6809740Dithered quantization using neighborhood mask array to approximate interpolate
Methods and image forming systems for approximating the value of a function given specified values of input data using a sparse lookup table. Individual samples are quantized and rounded up or down to an adjacent lattice point of the lookup table. Rather than perfor...
10/26/2004
6792218Method of compensating for low toner consumption
Artificial toner consumption is triggered to minimize the incidence of “conditioned” toner when a comparison of the rate of toner consumption to the mechanical activity of the electrophotographic printing device indicates that the toner consumption rate is too l...
09/14/2004
6787276Dual layer photoconductors with charge transport layer including styrene-acrylic resin
Charge transport layers comprise a charge transport compound and binder including styrene-acrylic resin. Dual layer photoconductors comprise a substrate, a charge transport layer as described, and a charge generation layer. ...
09/07/2004
1                      
 
Sign InRegister
Username  
Password   
forgot password?