Celebrity Inventors
Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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 |
| RE39535 | Method of making fused silica by decomposing siloxanes This invention relates to the production of high purity fused silica glass through oxidation or flame hydrolysis of a vaporizable silicon-containing compound. More particularly, this invention is directed to the use of vaporizable, halide-free compounds in said prod... | 04/03/2007 |
| 7155934 | Method for the production of borosilicate glass with a surface suitable for modification glass obtained according to said method and the use thereof The method of making borosilicate glass with a surface having reactive SiOH groups on it includes preparing a borosilicate glass melt and dissolving at least 30 mMol per liter of water in the borosilicate glass melt. The borosilicate glass contains from 70 to 87 per... | 01/02/2007 |
| 7003981 | Low phonon energy gain medium and related active devices Using sol-gel techniques, an optical gain medium has been fabricated comprising a glass ceramic host material that includes clusters of crystalline oxide material, especially tin oxide, and that is doped with active ions concentrated at the clusters. The active ions... | 02/28/2006 |
| 6890873 | Glass prepared from pyrogenically prepared silicon dioxide Pyrogenically prepared silicon dioxide with the following physicochemical properties: 1. Average particle size (D50 value) D50≧150 nm (dynamic light scattering, 30 wt %) 2. Viscosity (5 rpm,... | 05/10/2005 |
| 6743339 | Use of a transfer belt for a soft tissue paper machine Use of an essentially impermeable transfer belt (16) for a soft tissue paper machine for conducting a soft tissue web (1) through a shoe press nip in the press section of the paper machine, and from the shoe press nip to a Yankee cylinder (5) in... | 06/01/2004 |
| 6588229 | Method for controlling heat treatment in process of fabricating high purity silica glass Disclosed is a method for controlling a heat treatment in the process of fabricating a high purity silica glass via a sol-gel process using a low temperature heater having an inhalation line and an exhaust line. Accordingly, the method includes the steps ... | 07/08/2003 |
| 6442977 | Sol-gel process for fabricating germanium-doped silica article A sol-gel process for fabricating bulk, germanium-doped silica bodies useful for a variety of applications, including core rods, substrate tubes, immediate overcladding, pumped fiber lasers, and planar waveguides, is provided. The process involves the ste... | 09/03/2002 |
| 6360564 | Sol-gel method of preparing powder for use in forming glass A sol-gel method of preparing a powder for use in forming a glass is provided, along with methods of preparing glasses and glass fibers from the powder. The inventive method allows for the incorporation of a wide range of elements and compositions into a ... | 03/26/2002 |
| 6250108 | Glass-making method In a method of making a high-quality silica glass, a rare earth element that is a substance making a great contribution to the index of refraction is introduced therein together with aluminum for stabilizing the glass. An alkoxide of aluminum or its deriv... | 06/26/2001 |
| 6223563 | Process for fabricating fluorine-doped sol-gel article The invention reflects discovery of a liquid phase doping technique that, unlike previous techniques, exhibits very little fluorine depletion upon subsequent heating. The invention involves the steps of providing a silica sol comprising a tetraalkylammoni... | 05/01/2001 |
| 6113722 | Microscopic tube devices and method of manufacture The invention comprises devices composed of at least one microscopic hollow tube having a wall of single or multiple layers with a thickness of at st one nanometer and a diameter of at least 5 nanometers. The walls of the tubes can be formed from a wide... | 09/05/2000 |
| 5944866 | Fabrication including sol-gel processing The invention provides an alternative to conventional sol-gel methods that utilize undesirably high amounts of a stabilizing agent such as TMAH and a gelling agent such as methyl formate. The method involves the steps of (a) providing a colloidal silica d... | 08/31/1999 |
| 5922099 | Apparatus and method for fabricating tube-shaped glass monolith using sol-gel process There are provided tube-shaped glass monolith fabricating apparatus and method using a sol-gel process. In the tube-shaped glass monolith fabricating method using a tube-shaped glass monolith fabricating apparatus which has an upper mold including cylindr... | 07/13/1999 |
| 5837025 | Method of producing fine-particle multicomponent glass powders for use as a glass flow for producing layers and decorations on glass, glass ceramic or ceramic The invention is directed to a method for producing low sintering fine-particle multicomponent glass powder having a particle size of the primary particle in the nanometer range. The method utilizes microemulsion techniques with subsequent separation of t... | 11/17/1998 |
| 5817160 | UV absorbing glass UV absorbing glass is prepared by mixing ultrafine colloidal cerium oxide with glass-forming substances during the fabrication of the glass. An aqueous colloidal dispersion containing 1-20 weight percent 10-20 nm cerium oxide particles, optionally includi... | 10/06/1998 |
| 5686365 | Method for dissolution and stabilization of silica-rich fibers A method for dissolving silica-rich fibers such as borosilicate fibers, fiberglass and asbestos to stabilize them for disposal. The method comprises (1) immersing the fibers in hot, five-weight-percent sodium hydroxide solution until the concentration of ... | 11/11/1997 |
| 5683480 | Method of bonding two prisms with a hydrolysis product A method of manufacturing an optical element which is a beam splitter. A first and a second prism, the second prism having a beam splitting film formed on the surface, are contacted together with the hydrolysis product of a metal or silicon alcoholate, th... | 11/04/1997 |
| 5364427 | Manufacture of optical fiber using sol-gel Bent sol-gel produced tubing is straightened by drawing, with tensile force and operating temperature to result in minimal plastic flow, so that size reduction is small. The method is usefully applied to reject recovery in the preparation of overclad tube... | 11/15/1994 |
| 5356447 | Manufacture of high proof-test optical fiber using sol-gel Incidence of breakage in optical fiber drawn from sol-gel produced preforms is reduced by treatment of the still-porous glass by use of a chlorine-containing, oxygen-free gas mixture. Improved satisfaction of proof-rest requirements to at least 100 kpsi i... | 10/18/1994 |
| 5344475 | Manufacture of high proof-test optical fiber using sol-gel Optical fiber drawn from preforms including sol-gel-derived glass is found to contain small refractory particles of the order of a micron in size. These particles initiate fiber breaks with the result that fiber may not meet proof-test tensile strength re... | 09/06/1994 |
| 5314518 | Method for producing glass preform for optical fiber A glass preform for an optical fiber containing a dopant in a core portion at a high concentration is produced by providing a glass tube, forming a coating film of a sol-gel solution containing a dopant compound on an inner wall of the glass tube, vitrify... | 05/24/1994 |
| 5294237 | Process for producing flakes of glass A process for producing flakes of glass. The process is started by applying a solution containing an organic metal compound to a substrate. The solution is dried and peeled from the substrate. The resultant film is sintered. There is also disclosed an app... | 03/15/1994 |
| 5254148 | Method of manufacturing distributed index optical elements A method of manufacturing distributed index optical elements is disclosed. The method comprises a step of preparing silica sol including at least one of metal dopants, a step of dipping, after subjecting the silica sol to a gelling treatment, the silica g... | 10/19/1993 |
| 5250096 | Sol-gel method of making multicomponent glass Relatively large bodies of low-alkali silicate and other glass can be prepared conveniently by a particulate sol-gel process. The glass comprises at least 85 mole % SiO2, 1-12 mole % oxide of one or more of Li, Na, K, Rb, Cs, Ti and Zr, 0-6 mol... | 10/05/1993 |
| 5246475 | Method for preparing a fused silica glass body co-doped with a rare earth element and aluminum A novel method is proposed for the preparation of a transparent fused silica glass body co-doped with a rare earth element and aluminum each in a high uniformity of the dopant distribution. The method comprises the steps of: (a) flame-hydrolyzing a silico... | 09/21/1993 |
| 5242647 | Method of casting aerogels The invention describes a method for making monolithic castings of transparent silica aerogel with densities in the range from 0.001 g/cm3 to 0.6 g/cm3. Various shapes of aerogels are cast in flexible polymer molds which facilitate r... | 09/07/1993 |
| 5240488 | Manufacture of vitreous silica product via a sol-gel process using a polymer additive Lowered cost fabrication including preparation of large bodies of void-free, high-silica glass, depends upon gellation of an aqueous sol of colloidal silica particles, followed by drying and firing of such gel. Freedom from cracks in the dried gel is the ... | 08/31/1993 |
| 5236483 | Method of preparing silica glass A method for preparing a silica glass article of improved purity is provided. The article is prepared by a sol-gel method and is then heat treated to a selected temperature between about 1500° and 2200° C. and maintained at the selected temperature for ... | 08/17/1993 |
| 5231059 | Process for preparing black glass using cyclosiloxane precursors A process for preparing an oxidation resistant black glass having the empirical formula SiCx Oy, wherein 0 | 07/27/1993 |
| 5207814 | Process for preparing monoliths of aerogels of metal oxides A process for the preparation of monoliths of aerogels of metal oxides, which aerogel is either constituted by one single oxide, or is constituted by a mixture of oxides, is disclosed, which process consists of the following operating steps: (a) the relev... | 05/04/1993 |
| 5196383 | Method for producing rare earth element-doped glass by sol-gel process A rare earth element-doped glass in which the rare earth element is homogeneously doped is produced by a method coprises hydrolyzing a metal alkoxide of the formula: M(OR)4 wherein M is a metal and R is an alkyl group in a liquid medium selected ... | 03/23/1993 |
| 5192351 | Production of dehydroxylated glass A substantially dehydroxylated glass is formed by impregnating a dry porous silica gel with a nitrogen-containing organic compound in an organic solvent capable of solubilizing that compound. The impregnated gel is then sintered in a non-oxidizing atmosph... | 03/09/1993 |
| 5185020 | Method for manufacturing a silica-base material for optical fiber A silica-based glass rod is inserted into a space portion of a mold. Then, a slurry, which is obtained by dispersing a silica glass powder material in pure water, is poured into a molding space between the glass rod and the inner surface of the mold, wher... | 02/09/1993 |
| 5171344 | Method for manufacturing a gradient index optical element In accordance with the present invention, the dopant within one gradient index optical element has two independent concentration distributions. Particularly to use the present invention to obtain a gradient index optical element having an excellent chroma... | 12/15/1992 |
| 5163987 | Method for producing glass preform for optical fiber A method for producing a glass preform for use in the fabrication of an optical fiber, which comprises adding fluorine to a soot preform in an atmosphere comprising a fluorine-coating compound at a temperature at which the soot preform is in the porous st... | 11/17/1992 |
| 5162136 | Process for increasing strength of glass by forming ceramic coating on glass surface A method is disclosed for improving the rupture strength of a glass material which comprises coating an unannealed glass material with a tractable preceramic coating material capable of pyrolyzing to form a ceramic coating at a temperature not exceeding t... | 11/10/1992 |
| 5160358 | Process for producing silica glass plate having controlled refractive index distribution A process for easily producing a silica glass plate having an internal refractive index distribution suitable for a planar optical waveguide involves carrying out the following steps. (a) A porous silica gel plate produced by a sol-gel method is kept in a ... | 11/03/1992 |
| 5154744 | Method of making titania-doped fused silica This invention relates to production of high purity fused silica glass doped with titania through oxidation or flame hydrolysis of a gaseous mixture and containing rutile crystals comprising a vaporizable, silicon-containing compound. Titanium-2-ethylhexy... | 10/13/1992 |
| 5152819 | Method of making fused silica This invention relates to the production of high purity fused silica glass through oxidation and/or flame hydrolysis of a halide-free, organosilicon-R compound in vapor form having the following properties: (a) producing a gas stream of a halide-free silicon-c... | 10/06/1992 |
| 5151117 | Solution doping of porous preforms Disclosed is a method of forming a doped glass body. The glass body is formed by adding a dopant to a glass preform, at least part of which has interconnective pores. The porous preform is immersed in a solution of a salt of the dopant dissolved in an org... | 09/29/1992 |
