...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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 |
| 7264141 | Fluid dispenser with passive pressurization A fluid dispenser from which fluid may be dispensed upon passive pressurization of a fluid reservoir therein. Upon exposing a nib of the fluid dispenser to the surroundings, either by disengagement of a cap or extension or contraction of the fluid dispenser, the flu... | 09/04/2007 |
| 7210869 | Cartridge type stationery product In a cartridge type stationery product including a body and a cartridge attachable to and detachable from the body, the cartridge is capable of being inserted from an opening of the body, a locking groove is formed on the body, and a locking protrusion which is inse... | 05/01/2007 |
| 6361232 | Input pen A input pen for a portable information processing terminal device with an input tip (12) biased axially forward by pressure applied thereto by a return spring (13). The pressure applied to the input tip (12) is optionally adjustable. A front barrel 10 is ... | 03/26/2002 |
| 6283663 | Paint applicator system A paint applicator system utilizing a paint reservoir which is connected to a movable nib which permits paint to pass through the reservoir to the exterior of the nib. The paint composition is placed in the reservoir and is predetermined to possess a visc... | 09/04/2001 |
| 5971648 | Pen for applying a color or correction liquid A pen for applying a color liquid whose sleeve part (1) includes an outlet port (3) for the color liquid, closable by a valve. The valve comprises a spring means incorporating at least one leaf spring (6, 6') or a disk spring, and a guiding element (4) pr... | 10/26/1999 |
| 5846012 | Writing tool A writing tool including: a cylindrical shell containing ink of a solid-liquid separation type and a stirring piece; an ink flow-out control mechanism disposed in the cylindrical shell, which includes a valve main body having an ink introducing port aroun... | 12/08/1998 |
| 5746529 | Container for a fluid product A container for a free-flowing product, in particular typographic correction fluid, includes a tubular neck with an application aperture with a valve closure for the controlled application of metered quantities of the fluid to a substrate. The container r... | 05/05/1998 |
| 5568990 | Shoe polish applicator A liquid applicator provides for a self-sealing feature, which applicator comprises a housing, a valve member and a spring member. The housing has an aperture through its top wall and an annular sleeve projecting inwardly from an edge of the top wall in a... | 10/29/1996 |
| 5516223 | Correction fluid An aqueous, correction fluid that includes a suspending agent, a binding resin, water, and an opacifying pigment. The suspending agent is preferably a gum or hydrocolloid, e.g., xanthan gum, and the composition preferably has a shear-thinning index (n) of... | 05/14/1996 |
| 5482393 | Corrector A dispenser for applying correction liquid to writing errors. The dispenser includes a valving rotary ball which controls the dispensing, with the rotary ball being normally biased against a spring member via an elongated biasing element, to shut off disp... | 01/09/1996 |
| 5420615 | Unitary body plotter pen A unitary plotter pen construction useful as a disposable plotter pen. A writing tube is provided centrally and at the front end of a unitary hard plastic body element that defines a writing tube nib; a housing for a soft plastic pressure equalization cha... | 05/30/1995 |
| 5387046 | Applying implement having an application tip shiftable independently of a valve member An applying implement including: a main body having an application fluid storage; a head cylinder having a front end portion having an opening, a rear end portion having a communication hole communicating to the application fluid storage, and a tapered po... | 02/07/1995 |
| 5261755 | Fluid dispenser A dispenser for depositing a liquid correction fluid onto a print medium is formed of an elongated tubular body having a valve means at one end and closed at the opposite end for retaining the fluid therein. The tubular body is substantially circular in c... | 11/16/1993 |
| 5242234 | Drawing pen The present invention pertains to a drawing pen for applying viscous coating materials, with an essentially cylindrical grip part, a storage chamber arranged in the front section of the grip part for a cartridge containing the coating material, and a valv... | 09/07/1993 |
| 5172995 | Plotter pen with coaxial reservoir A stylo pen tip, in particular for use in drafting plotters, has a writing tube (5) in the front end, into which a cleaning wire (6) extends from the rear, which is fixed at the front end of a drop weight body (7) which is movable back and forth axially t... | 12/22/1992 |
| 5073058 | Implement for applying liquid An implement for applying a liquid includes a container for holding liquid, the container having a front end which is open and a front tube mounted on the front end of the container. The front tube has a forward outlet opening. A hollow accommodating memb... | 12/17/1991 |
| 5056949 | Correction fluid dispenser with ball valve A correction fluid dispenser comprising a body member adapted to retain a correction fluid and a barrel disposed at one end thereof for delivery of the fluid to a surface. The barrel terminates in an orifice formed by a circular rim with a spherical ball ... | 10/15/1991 |
| 4938620 | Writing point or tracing element The housing (1') of a writing point (1) or tracing element for manual ink writing or drawing instruments or for plotter or similar automatic or mechanical tracing machines is or can be linked with a shaft (40) that contains the ink and/works as a holder a... | 07/03/1990 |
| 4923317 | Brushless white-out correcting fluid applicator A brushless white-out correcting fluid applicator for use in applying white-out fluid to paper without using a brush. The white-out fluid is a suspension including a substantial proportion of white or substantially white particles, such as titanium dioxid... | 05/08/1990 |
| 4917521 | Pen type container for correction fluid with daubing function A pen type dispenser structure attachable to a container for ink correction liquid. The dispenser includes a frusto-conical liner wall formed into a spiral configuration; a shaft extends from the small end of the liner wall into a liquid discharge opening... | 04/17/1990 |
| 4848947 | Liquid applicator device with tilt valve An improved applicator device is disclosed for applying an applicator liquid such as a chemical, a coating, a solvent or other suitable liquids to a surface. The device comprises a container for containing the applicator liquid and a tilt valve secured to... | 07/18/1989 |
| 4813463 | Instantly applicable correction fluid container structure An instantly applicable correction fluid container structure is provided with a threaded cap which can semi-automatically dispense the contents via a port on the top of the cap by pressing down the upper conical portion of a spring-biased mounted control ... | 03/21/1989 |
| 4812071 | Correction fluid pen A correction fluid pen for applying a correction fluid, the correction fluid being of the type containing an opaque covering pigment and a volatile solvent. The pen includes a barrel with a manually squeezable plastic wall portion and an applicator with a... | 03/14/1989 |
| 4776718 | Writing implement A writing implement having at its front end a small writing tube and a writing wick axially slidable in it. The writing wick at its inner end has an enlarged head which engages a restoring spring. The restoring spring is part of a retaining ring which hol... | 10/11/1988 |
| 4761090 | Tubular writing pen tip with adjustment means An improved tubular writing pen having a writing pen body (3) and a forepart (1) joined to it that holds in a forward direction a writing tube (5). The forepart (1) is revolvable, yet is installed axially non-dislocatably in the pen body (3) and in the la... | 08/02/1988 |
| 4728214 | Ink duct for tubular styluses The invention relates to an ink duct for tubular styluses on writing implements with a compensating system and with an air access and escape system and consists substantially of a connecting system between writing tube and ink storage tank comprising capi... | 03/01/1988 |
| 4712571 | Nail polish compositions and means for applying same A novel nail polish composition having a low viscosity, i.e. not greater than about 200 cps comprising from about 3.0% to about 24.0% a shade paste, suitable film former and thinner and a pen-like means for applying said nail polish having a substantially... | 12/15/1987 |
| 4685820 | Applicator device An improved applicator device is disclosed for applying an applicator material such as a liquid or a flowable solid to a surface. The device comprises a material container and a surface applicator for applying the applicator material to the surface. A val... | 08/11/1987 |
| 4662769 | Tubular writing pen tip with adjustment means In a tip of a tubular writing pen having a writing tube (2) secured in a forepart a (1) joined to a pen body and an axially movable fluid conductor (3) extending into the writing tube, of the type wherein the projecting length of a writing fluid conductor... | 05/05/1987 |
| 4626120 | Resilient writing nib with offset flattened portion A writing instrument having a needle-like longitudinal writing nib, longitudinally slidably positioned in a nib holder pipe. The writing nib has flex portions and/or a flattened portion, for facilitating a longitudinal movement thereof when a writing pres... | 12/02/1986 |
| 4605331 | Pressurized writing device with needle weight having valve means The invention relates to a writing device comprising a storage tank for Indian ink or another writing medium, a housing which is open in the direction of the tank, a tubular pen which is arranged on the housing, a needle which is axially displaceable in t... | 08/12/1986 |
| 4588319 | Marking instrument The flow of ink in a marking pen is metered by an internal flow restriction. The pen is of the type having a housing, including an ink reservoir, and a marking tip which draws ink from the ink reservoir by capillary action. The reservoir is vented to allo... | 05/13/1986 |
| 4573820 | Applicator tip assembly for a pen-like instrument An applicator tip assembly including a body adapted to be secured to a fluid filled housing and having a through opening through which the fluid is dispensed and an applicator member positioned within the through opening and normally biased by a coil spri... | 03/04/1986 |
| 4572691 | Pen-like instrument for applying correction fluid A pen-like instrument for dispensing correction fluid comprising an elongate housing, a bag of thin flexible polymeric film material containing correction fluid within a cavity in the housing, and an applicator tip assembly comprising a body secured to th... | 02/25/1986 |
| 4543005 | Container for instantaneous adhesive having means to protect bias spring The invention relates to a container for an instantaneous adhesive and more particularly to an arrangement of a so-called pencil-type container which contains the instantaneous adhesive therein. Through use of the present invention, an appropriate small a... | 09/24/1985 |
| 4541552 | Apparatus for metering liquids or semiliquids A device for metering and dispensing liquid or semiliquid mediums, such as adhesives, paints, lacquers, oils, and anaerobic plastics, comprising a tube having a discharge port and a first valve seat with a conical taper thereto inside of the tube adjacent... | 09/17/1985 |
| 4511273 | Correction fluid dispenser having a retractable and lockable sealing tip A correction fluid dispenser comprising a body member adapted to retain correction fluid, a barrel member received by the body member, a core portion extending axially of the body and barrel members, and a tip seal member disposed in a recess in the core ... | 04/16/1985 |
| 4461408 | Dispenser A dispenser is intended to be used with a container of glue that enables pressurized outflow of the glue from an upstanding neck that is threaded to receive the dispenser. A cap threads upon the neck and has an annular top wall. A hollow snout of resilien... | 07/24/1984 |
| 4271982 | Glue dispenser The glue dispenser comprises a collapsible tube having an externally threaded spout. A nozzle assembly comprises an internal nozzle threaded onto the spout and a external nozzle mounted on the internal nozzle. A nozzle valve registers with the opening of ... | 06/09/1981 |
| 4217994 | Glue dispenser in form of a bottle A glue dispenser in form of a bottle consisting of elastic material with a self-closing valve. A cylindrical rod is movable in a round bore which opens the valve when engaging the object to be provided with the glue. The glue flows through the space betwe... | 08/19/1980 |