Quotables
"What can be more palpably absurd than the prospect held out of locomotives traveling twice as fast as stagecoaches?"
The Quarterly Review ; March edition, 1825
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 |
| 7093994 | Dosing device and writing implement with a dosing device A dosing device for demand-dosing a liquid includes a primary container, a point of release for releasing the liquid, a main liquid channel between the primary container and the point of release and a vented secondary container, wherein the secondary container is co... | 08/22/2006 |
| 6863460 | Reservoir pens and ink cartridges therefor An ink cartridge (1) for a reservoir pen has a body (2) which encloses an ink-chamber (3) that is initially sealed near the front end of the cartridge by a closure formed by a plug (4). The plug (4) sealingly engages in an axial bo... | 03/08/2005 |
| 6789975 | Pen A reservoir pen includes a nib, a feed bar defining an ink channel and having an ink port, and a valve for controlling flow of ink from the ink port to an underside of the nib. The valve includes a seat, a valve member, and a resilient element engaging the valve mem... | 09/14/2004 |
| 6474895 | Writing instrument and method of producing the same A writing instrument has an accurate operation and simple structure in a mechanism for controlling ink supply by air enclosed in an ink passage, and a method of producing the same. The ink is blocked by the air enclosed in a blocking chamber (11), the blo... | 11/05/2002 |
| 6261019 | Ball point pen In a free-ink type low-viscosity water-based ball point pen, the low viscosity water based ink 17 contains 40% or more of water as a main solvent and has a viscosity of 1.5 cps to 60 cps at a normal temperature. A collector 6 has a slender, slit-like ink ... | 07/17/2001 |
| 6176633 | Marking instrument A marking insturment having a fluid reservoir (1) and an application tip. A valve (7, 12, 18) controls flow of fluid from the reservoir (1) to the tip. A transfer chamber (21) is located between the reservoir and tip and is assocaited with the reserovir h... | 01/23/2001 |
| 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 |
| 5888008 | Writing instrument with refillable reservoir A writing instrument has a supply chamber connected to reserve chamber by a refilling valve actuated by a plunger which is controlled by a push button formed with a self-closing membrane type valve through which the reserve chamber can be filled from a re... | 03/30/1999 |
| 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 |
| 5222824 | Regulated ink flow control system for pen A reservoir pen includes a valve operated by the pen nib (4) to allow ink to pass to the nib, the ink flow rate being controlled by a flow restricting device (8) located between a primary ink reservoir chamber (2) enclosed within the pen barrel (1) and a ... | 06/29/1993 |
| 4973180 | Pen with slide plug and valve A tool for applying a liquid to a predetermined portion is disclosed. The tool has a main ink reservoir and a sub-ink reservoir. The sub-ink reservoir communicates with a pen body. The main ink reservoir communicates with the sub-ink reservoir through a v... | 11/27/1990 |
| 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 |
| 4686246 | Shock resistant ink compositions and writing instruments including the compositions Novel, improved aqueous based, shock resistant, shear-thinning ink compositions and writing instruments including the ink compositions. The ink compositions comprise a substantially uniform dispersion of colorant(s), a water dispersible polymeric shear-th... | 08/11/1987 |
| 4474487 | Pen point with lips extending over slit A pen point for writing with an ink, having a pen nib with two nib points separated by a slit. The surfaces of the nib points perpendicular to the slit have, over a part of their length, a film chemically inert to the ink and wettable thereby, thus formin... | 10/02/1984 |
| 4350458 | Fountain pen with battery operated supply detector and ink pressurizing device A fountain pen in which ink is supplied to the tip of the pen under the control of a motor-actuated ink delivery device. An ink holder is formed covering the slit formation region of the pen tip to form an ink pool between the holder and pen tip. A detect... | 09/21/1982 |
