Bizarre Patents
A vest or belt is integrally formed with tubular, pet receiving passageways which extend around the wearer's body and terminate in pocket-like chambers for feeding and retrieval.
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.
| Number | Title | Issue Date |
| 7473047 | Applicator device A device for applying a liquid or gel-like product, in particular a cosmetic product, comprising a rotatably supported ball serving as an applicator element, and a storage chamber for the product to be applied on a side of the ball in opposite relationship to an app... | 01/06/2009 |
| 7435029 | Liquid application system A liquid application system for applying an insect repellent to skin of an animal or a person includes a tube receiving a liquid to be applied to skin. The tube is graspable to facilitate manipulation of the system. A yoke is coupled to a first end of the tube. The ... | 10/14/2008 |
| 7296944 | Marking instruments and methods of manufacturing marking instruments A handheld marking instrument includes a body having a substantially flat shape, a first chamber formed within the body and having an inner surface configured to receive and contain a marking substance within the body, and a first marking device configured to delive... | 11/20/2007 |
| 7179008 | Applicator pen A device for applying liquid adhesive to seal a variety of parcel post items such as, containers, packages, boxes, envelopes and stamps. The device includes a hand-held pen-shaped housing having a roller ball therein for dispensing the adhesive. The device further i... | 02/20/2007 |
| 7163350 | Liquid container In a liquid container, it is made possible to store liquid that is overflowed by fluctuations in atmospheric pressure and thereby to prevent liquid leaks, and the whole quantity of the stored liquid is enabled to be used. The liquid container is provided with a body... | 01/16/2007 |
| 7037015 | Roller ball pen for pigmented inks A free ink roller ball pen for dispensing low viscosity inks containing pigments that are prone to sedimentation. The instrument contains an ink reservoir chamber, a nib chamber provided with a roller ball socket assembly, a pressure equalization overflow chamber fo... | 05/02/2006 |
| 7004661 | Ballpoint pen nib provided with a stem with communication flutes A ballpoint pen (1) nib (2) housing the ball (3) and having a stem (6), at least one part of which is inserted coaxially into a hole (5) in the lower end (4f) of a hollow barrel (4) forming part of the ballpoin... | 02/28/2006 |
| 6926458 | Ball-point pen refill For producing a pressurized ball-point pen refill the ball-point pen refill includes a tip, an ink storage tube and a tail plug, wherein ink is filled in the space of the ink storage tube relatively near to the tip, and a pressuring gas is filled in the space of the... | 08/09/2005 |
| 6866439 | Marking instruments and methods of manufacturing marking instruments A handheld marking instrument includes a body having a substantially flat shape, a first chamber formed within the body and having an inner surface configured to receive and contain a marking substance within the body, and a first marking device configured to delive... | 03/15/2005 |
| 6648539 | Free ink writing instrument with nano technology A writing instrument has a housing containing an ink reservoir. The writing instrument further has a writing nib in communication with one (or both) end of the ink reservoir by an ink induction device. In connection with the ink reservoir, there is also a... | 11/18/2003 |
| 6464420 | Liquid ink writing pen with visible tip A writing pen of the type employing low viscosity liquid ink retained in a reservoir in the pen body by means of a capillary collector element. The nib of the patent is color coded to correspond with the color of ink contained within the pen. A closure ca... | 10/15/2002 |
| 6435747 | Double ended direct-feed type writing implement A direct-feed type writing implement having two ends includes an ink tank and a pair of writing points, arranged at opposite ends of the ink tank. An ink collector is provided for each writing point. An air/liquid exchanger adjusts the internal pressure i... | 08/20/2002 |
| 6391927 | Method for manufacturing ink follower for water base ballpoint pens Dispersibility of thickener is constant for every lot and viscosity difference is little. Fine bubbles existing in the thicker in ink follower are removed. A step of homogenizing the thickener at any temperature within a range of 40° C. to 130° C. is in... | 05/21/2002 |
| 6376560 | Ink follower for water-base ballpoint pens and method of manufacturing the same This invention relates to ink follower for a water-base ballpoint pen with its bubbles removed, time-dependent stability, less oil separation, and greatly reduced lot-to-lot viscosity difference and associated performance difference, and a method for manu... | 04/23/2002 |
| 6179505 | Venting roll-on applicator A roll-on applicator which allows venting of gases between the inside and the outside of said applicator. This applicator comprises a ball within a dispensing opening and a flexible and resilient support means for said ball. Said flexible and resilient su... | 01/30/2001 |
| 6010269 | Writing implement Ink and a follower advancing with consumption of the ink are stored directly in the inside of a barrel having a pen point at its forward end. An outer tail plug constituted by a closed-end cylinder is fitted to a rear outer surface of the barrel. An air c... | 01/04/2000 |
| 5984559 | Ballpoint pen refill and fabrication method thereof A ballpoint pen refill which can be applied to a retractable ballpoint pen is provided. An ink 2 endowed with a thixotropic property and an ink follower 3 at the rear of this ink are contained within an ink tube 1 comprising a tip holder member 9 and an i... | 11/16/1999 |
| 5929135 | Low-viscosity aqueous ink for a ball-point pen and a ball-point pen This invention provides a ball-point pen suited to low-viscosity aqueous ink. This ball-point pen includes a ball-point pen refill in which an ink reservoir communicates with a tip for holding a tip ball via a joint, wherein the ink reservoir is filled wi... | 07/27/1999 |
| 5735624 | Relating to writing instruments A container for ink for a writing instrument including a reservoir for containing ink, an ink feed for connection to a writing tip of a writing instrument for conveying ink from the reservoir to the writing tip, and a valve between the reservoir and the i... | 04/07/1998 |
| 5415487 | Vented plug for ink cartridges The subject invention is directed to a cartridge for a writing instrument. In particular, the writing instrument includes a surface against which the cartridge abuts. The cartridge includes a tubular body for containing ink which has a front end including... | 05/16/1995 |
| 5352052 | Device for applying writing, drawing, printing and painting fluids onto a surface A device for applying writing, drawing, printing and painting fluids onto a surface is provided. The device comprises a fluid container, a respective applicating tip, an air inlet tube that connects an interior of the fluid container to the surrounding at... | 10/04/1994 |
| 5299878 | Binder for reservoir tubes This invention relates to a binder for reservoir tubes and in particular to one including a conical head formed with a longitudinal through hole at the center and a plurality of longitudinal blind holes around the longitudinal through hole at the center, ... | 04/05/1994 |
| 5211495 | Tubular writing instrument with suction vent A writing or drawing instrument wherein a housing (1), is provided with a writing point (2) and a writing fluid reservoir (3) within an interior space of the housing. A capillary pressure equalization system (5), that connects the reservoir with the ambie... | 05/18/1993 |
| 5207524 | Ball point pen refill adapter An adapter device is provided for varying the length of a ball point pen refill cartridge to enable the cartridge to be used in a variety of ball point pen housings. The adapter consists of a barrel which slips over the distal end of a refill cartridge an... | 05/04/1993 |
| 5199470 | Method and apparatus for refilling ink cartridges A method and apparatus for refilling an ink cartridge include a device for clearing a hole in the cartridge to facilitate the dispensing of ink thereto. The device comprises a handle to which a bit is rigidly affixed so that torque applied to the handle i... | 04/06/1993 |
| 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 |
| 5150979 | Ball point pen with liquid ink A barrel, and a hollow cup-shape insert in the front end thereof, forming a capillary space between itself and the barrel. The insert has a closed front end, the tip portions of the insert and the barrel form a ball seat in which the writing ball is posit... | 09/29/1992 |
| 4954002 | Writing instrument with membrane vent and their manufacture In a writing instrument including an ink reservoir and an air hole, the air hole is spanned by a barrier formed as a porous non-absorbent ink repellent membrane of substantially uniform pore size. The barrier is non-porously sealed, for example by direct ... | 09/04/1990 |
| 4940350 | Fluid ball applicator with vent tube A fluid applicator includes a fluid container having a collar mounted at an open top end. A base is mounted in the collar and is shaped to conform to the shape of a porous, spherical applicator member rotatably mounted in the collar, with a portion of the... | 07/10/1990 |
| 4937594 | Large volume pen A large volume recording pen suitable for use in graphic recorders and the like includes an elongated cylindrical body defining an internal ink reservoir. A cap is secured to the upper portion of the cylindrical body while the lower portion defines a tape... | 06/26/1990 |
| 4929109 | Ink cartridge An ink cartridge comprising sealing members sealing openings of both ends of the cartridge body, a holder cap fitted around the upper end of the cartridge body; a seal opener connected to the lower end of an operating shaft inserted through a guide hole i... | 05/29/1990 |
| 4812069 | Writing implement having built-in paper dispenser A writing implement such as a ballpoint pen combines a mechanism for selectively advancing and retracting a writing tip with a built-in roll of paper which can be dispensed and torn off. The paper roll can be mounted in a disposable cartridge which lessen... | 03/14/1989 |
| 4770558 | Ink writing or drawing instrument In an ink writing instrument, the ink storage space is divided into individual chambers that are inside the housing and are arranged axially one behind one another. The chambers are connected with the writing point by an ink guide. The ink-filled chambers... | 09/13/1988 |
| 4712937 | Plotter stylus with cap covered vent The plotter stylus has a writing point (10) which is connected to the ink cartridge (50) via the ink duct (40). The ink duct (40) is surrounded by a pressure compensator (20) and connected thereto. In the pressure compensator a compensator element (21) is... | 12/15/1987 |
| 4700448 | Process for the manufacture of a stick push-up device A process for manufacturing a wax-like cosmetic stick having an improved contour on its upper surface, by filling at the open bottom of the case with the stick material in a molten state, the case having a cap which provides the contour, allowing the stic... | 10/20/1987 |
| 4671692 | Writing pen holder with three wicks A writing pen having good ink flow control to a tip suitable for fine writing over a wide range of atmospheric pressure and ambient temperature. The pen has a flow-regulator composed of first, second and third ink supply rods connected in series. The flow... | 06/09/1987 |
| 4669906 | Ball-point pen venting arrangement A ball-point pen for water-soluble ink having a barrel with a vent hole, a cylindrical ink reservoir covered except at its exposed front and rear ends, and an ink feed core for supplying ink from the reservoir to a ball at the pen writing tip is provided ... | 06/02/1987 |
| 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 |
| 4565463 | Aqueous ink cartridge with two part vent plug A projectable or push-out type writing instrument cartridge, such as a projectable cartridge for a ball point pen, has a filler impregnated with an aqueous ink, a writing point at its one end, a device for feeding the ink to the writing point, and an end ... | 01/21/1986 |
| 4544297 | Ball point pen venting An improvement in a ballpoint pen having an ink cartridge with a writing nib slidably mounted in the body of the pen and translatable between a resting position wherein the nib is retracted within the body of the pen and a writing position wherein the nib... | 10/01/1985 |
