The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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 |
| 8172375 | Valve and actuator employing capillary electrowetting phenomenon A valve includes: a passage having a first passage which communicates an atmosphere-communicating passage and outside of a cartridge body, and a second passage which branches from the first passage; an electrode provided on a wall surface forming the second passage;... | 05/08/2012 |
| 8157360 | Injection apparatus and a valve device provided in a passage An ink jet type recording apparatus comprises a connection member which has a passage for leading ink to a recording head from an ink cartridge. In the passage, a valve member having a magnetic body is provided. A rotation member has a permanent magnet and is rotata... | 04/17/2012 |
| 8152285 | Ink jet head and ink supplying method thereof An Inkjet head according to an exemplary embodiment of the present invention includes an ink storage unit including an inner storage space, a head unit connected to the ink storage unit, and a plurality of nozzles discharging the ink, wherein the floors of the inner... | 04/10/2012 |
| 8147042 | Ink jet recorder and ink filling method An ink jet recorder that includes line heads (4) having a plurality of nozzle heads (41), main tanks (13) placed outside of the line heads (4) to store ink; an ink supply passage (13a, 49a, 49c) t... | 04/03/2012 |
| 8096645 | Installing fluid container in fluid ejection device A fluid ejection device ejecting a fluid, the fluid ejection device includes: a fluid ejection unit; a main chassis case; a fluid-containing pack; a container case; and a plurality of holders. The fluid ejection unit ejects a fluid onto an ejection target. The main ... | 01/17/2012 |
| 8091993 | Ink containment system and ink level sensing system for an inkjet cartridge An ink containment system for an inkjet cartridge, for storing ink for printing, comprises a housing having a plurality of walls. A rigid basin member and a rigid moveable plate are disposed within the housing. A flexible membrane is affixed to a surface of the basi... | 01/10/2012 |
| 8083332 | Dual seating quick connect valve A valve includes a stem, a cap, and a deformable lip. The stem includes a first sealing portion and has a longitudinal axis. The cap is connected to the stem and includes a passageway. The deformable lip extends from a periphery of the cap and includes a second seal... | 12/27/2011 |
| 8079678 | Inkjet printhead with nozzles supplied through apertures in the chassis An inkjet printhead has an elongate chassis, an ink distribution unit for connection to an ink supply, and a plurality of printhead modules supported along the elongate chassis. The printhead modules each define an elongate array of ink ejection nozzles. During use,... | 12/20/2011 |
| 8075109 | Ink jet printer An inkjet printer, comprises a plurality of recording heads to jet ink onto a recording medium; an ink distributing device to distribute ink to the plurality of recording heads and having a damping action to the ink, the ink distributing device including, an ink cha... | 12/13/2011 |
| 8075111 | Printhead with ink distribution through aligned apertures An inkjet printhead that has an elongate chassis, first groups of apertures spaced along the elongate chassis, an ink distribution unit defining a plurality of ink distribution passages and second groups of apertures in fluid communication with respective ink distri... | 12/13/2011 |
| 8075108 | Installing fluid container in fluid ejection device A fluid ejection device ejecting a fluid, the fluid ejection device includes: a fluid ejection unit, a main chassis case, a fluid-containing pack, and a container case. The fluid ejection unit ejects a fluid onto an ejection target. The main chassis case houses the ... | 12/13/2011 |
| 8075110 | Refill unit for an ink storage compartment connected to a printhead through an outlet valve A refill unit for refilling an ink storage compartment for a printhead assembly. The ink storage compartment is fluidically connected to the printhead assembly via an outlet valve. The refill unit a variable volume container for holding a quantity of ink and a valve... | 12/13/2011 |
| 8052254 | Manifold for a printhead A printhead assembly is described including multiple printheads, a manifold and multiple inlet tubes. The printheads each include: a fluid inlet to receive fluid into the printhead; and a set of one or more nozzles to deposit fluid on a substrate. The manifold is co... | 11/08/2011 |
| 8047639 | Refill unit for incremental millilitre fluid refill A refill unit for a fluid container is providing. The refill unit has a housing defining a fluid path in fluid communication with an outlet and configured to be operatively engaged with the fluid container, a fluid reservoir having an ejection port arranged in fluid... | 11/01/2011 |
| 8042920 | Fluid supply apparatus and image forming apparatus A fluid supply apparatus enables the direction of movement of a fluid to be changed easily while maintaining high barrier property and durability. The fluid supply apparatus includes an upper cylinder having a first and a second supply/discharge opening for supplyin... | 10/25/2011 |
| 8042921 | Valve device provided in a passage forming member An ink jet type recording apparatus comprises a connection member which has a passage for leading ink to a recording head from an ink cartridge. In the passage, a valve member having a magnetic body is provided. A rotation member has a permanent magnet and is rotata... | 10/25/2011 |
| 8042922 | Dispenser unit for refilling printing unit A dispenser unit for dispensing ink to refill a supply of printing fluid in a printing unit includes a body assembly; a plurality of ink outlets provided on a bottom side of the body assembly, the plurality of ink outlets each for engaging with respective ink inlets... | 10/25/2011 |
| 8038266 | Air bubble trapping apparatus, liquid transporting apparatus, and ink-jet recording apparatus An air babble trapping apparatus which traps an air bubble in ink includes: a filter having through holes formed in the substrate and an insulating layer with a low wettability formed in a surface of the substrate; and an electric potential control unit which contro... | 10/18/2011 |
| 8007083 | Refill unit for incrementally filling fluid container A refill unit for a fluid container is provided. The unit has a housing defining a fluid path in fluid communication with an outlet and configured to be operatively engaged with the fluid container, a fluid reservoir having an ejection port arranged in fluid communi... | 08/30/2011 |
| 8002393 | Print engine with a refillable printer cartridge and ink refill port A print engine for a printhead assembly includes a refillable cartridge having a body defining a plurality of fluid chambers, the body having a lid assembly with a plurality of ink refill ports leading to respective fluid chambers, the lid assembly having an actuato... | 08/23/2011 |
| 8002394 | Refill unit for fluid container A refill unit for a fluid container is provided. The unit has a housing defining a fluid path in fluid communication with an outlet and configured to be operatively engaged with the fluid container, a fluid reservoir having an ejection port arranged in fluid communi... | 08/23/2011 |
| 8002392 | Ink supply unit, print head assembly and image forming apparatus A printhead assembly, an image forming apparatus and an ink supply unit supply color inks to a plurality of printheads which are arranged in a direction transverse to an advancing direction of a printing medium. The ink supply unit may include a first channel member... | 08/23/2011 |
| 7988265 | Air detection in inkjet pens An inkjet pen includes a standpipe plenum, a printhead in fluid communication with the standpipe plenum, and a detector for detecting the amount of air in the standpipe plenum. A printing system including such an inkjet pen further includes structure for removing ai... | 08/02/2011 |
| 7988266 | Ink cartridge for inkjet printer A valve core of an ink cartridge includes an elastic valve sheet having an inner portion and an outer portion. The outer portion extends outwards from the inner portion and protrudes towards an upstream side of the valve core. The outer portion is adapted to sealing... | 08/02/2011 |
| 7988269 | Liquid droplet ejecting device The present invention provides a liquid droplet ejecting device including a liquid droplet ejecting head; a liquid storage unit that stores a liquid; a first flow path and a second flow path that connect the liquid droplet ejecting head and the liquid storage unit, ... | 08/02/2011 |
| 7988268 | Ink tube non-contact image forming apparatus An image forming apparatus comprises a printing head that ejects one or more ink drops onto a medium. The print head is mounted on a carriage and is supplied with ink via a supply tube. A sheet like member keeps the supply tube apart from the medium when the printin... | 08/02/2011 |
| 7988267 | Ink jet printer A buffer tank mounted on a head holder has a plurality of air discharge valves for discharging the air accumulated in inks to the outside. The air discharge valve includes a valve body for opening and closing the passage bore and a valve rod provided extending from ... | 08/02/2011 |
| 7976137 | Print cartridge having enlarged end reservoirs A print cartridge is provided having an elongate body defining a number of printing fluid reservoirs along the elongate length with end reservoirs being larger than reservoirs interposed between the end reservoirs, a lid covering the body to seal the reservoirs, and... | 07/12/2011 |
| 7959267 | Liquid ejection apparatus A liquid ejection apparatus having a liquid ejection head and a switching device is provided. The switching device includes a first supply passage through which first liquid flows, a second supply passage through which second liquid different from the first liquid f... | 06/14/2011 |
| 7959268 | Installing fluid container in fluid ejection device A fluid ejection device ejecting a fluid, the fluid ejection device includes: a fluid ejection unit; a main chassis case; a fluid-containing pack; a container case; and a plurality of holders. The fluid ejection unit ejects a fluid onto an ejection target. The main ... | 06/14/2011 |
| 7950784 | Compressible ink refill cartridge An ink refill cartridge is provided for refilling an ink ejection printhead cartridge. The refill cartridge includes a receptacle configured to receive a collapsible ink container storing ink. The receptacle is further configured to engage with an ink refill port of... | 05/31/2011 |
| 7938519 | Refill unit for refilling one of a number of ink compartments An ink refill unit is provided for refilling a printer ink cartridge unit. The ink refill unit includes a base assembly that has ink refilling components and outlets for engaging a docking member connected to the ink storage compartments. Each outlet corresponds to ... | 05/10/2011 |
| 7938518 | Ink refill unit for an ink reservoir A refill unit for an ink reservoir that has an inlet valve for receiving refill ink and an outlet valve for fluid communication with an inkjet printhead. The refill unit has a docking assembly for docking with the ink reservoir, an ink bag for storing ink, a valve a... | 05/10/2011 |
| 7926922 | Ink-jet head and valve An ink-jet head of the present invention includes a discharge valve that includes a valve chamber and an opening/closing mechanism. The valve chamber has an ink supply port through which ink is supplied from outside, an outside discharge port through which ink is di... | 04/19/2011 |
| 7922306 | Print ink transport mechanism for selectively transporting different colored inks A print ink transport mechanism includes a first ink pipe for transporting a first colored ink, and a second ink pipe for transporting a second colored ink, a rotary module including a first protruding component with a first cavity disposed in a position correspondi... | 04/12/2011 |
| 7914131 | Inkjet printhead assembly having releasably attached printhead modules An inkjet printhead assembly includes an elongate ink feed structure defining a plurality of longitudinally extending ink supply passages and a plurality of spaced apart sets of ink outlets in fluid communication with respective ink supply passages. A plurality of p... | 03/29/2011 |
| 7905583 | Ink supply system The present invention comprises at least a reservoir tank which stores an ink supplied from an ink supply section, and an ink chamber which distributes and supplies the ink supplied from the reservoir tank to each recording head in a recording head group, wherein th... | 03/15/2011 |
| 7887165 | Sealing structure A sealing structure includes a first and a second passage-forming member, and an elastic member interposed between the surfaces and including: a plate-like body which has an inlet-side and an outlet-side surface and through which through-holes are perpendicularly fo... | 02/15/2011 |
| 7883187 | Ink jet printing apparatus In ink supply to a print head including: a common liquid chamber having an ink flow-in port into which the ink flows, and an ink flow-out port for returning the ink; discrete liquid chambers for each supplying the ink to a ejection port from the common liquid chambe... | 02/08/2011 |
| 7878632 | Liquid ejection apparatus and liquid supply method The liquid ejection apparatus has: a head which ejects liquid; a carriage which conveys the head; a sub tank which is mounted on the carriage, accommodates the liquid to be supplied to the head, and has an elastic film deforming elastically in accordance with supply... | 02/01/2011 |