Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7335391 | Method for coating implantable devices A method of forming a coating for an implantable medical device, such as a stent, is provided which includes applying a composition to the device in an environment having a selected pressure. ... | 02/26/2008 |
| 7311228 | Liquid crystal dispensing apparatus A liquid crystal dispensing apparatus for dispensing liquid crystal onto a substrate includes a liquid crystal container, a nozzle structure, and a valve structure. The liquid crystal container contains the liquid crystal to be dispensed. The nozzle structure is dis... | 12/25/2007 |
| 7244471 | Method for surface treatment of metal pipes A method and apparatus for surface treating metal pipes includes introducing a treatment liquid into a first distribution chamber having a flat bottom surface, and dropping the treatment liquid onto at least a portion of the outer peripheral surface of the metal pip... | 07/17/2007 |
| 7090897 | Electrically conductive MDF surface The present invention provides a method and system for implanting a piece of wood or wood composite to improve the electrostatic attraction thereupon. A method is provided for treating a lignocellulosic substrate such as medium density fiberboard (MDF). The method i... | 08/15/2006 |
| 6960379 | Cementitious compositions and their use in corrosion protection A cementitious composition (1) which, in the hardened state, acts as a low leaching coating in low alkalinity and low hardness waters. The composition comprises at least one cement and a highly reactive pozzolan. The cementitious composition can be applied to... | 11/01/2005 |
| 6926923 | Method of forming coat on inner surface of bearing and apparatus for the same There is provided a method of forming a coat on an inner surface of a bearing, in which a jig 13 is attached to a rotor 2 while holding four bearings 12 for example, so as to form those in a cylinder shape. Then, while the rotor 2 is rota... | 08/09/2005 |
| 6887510 | Method of using a stent mounting device to coat a stent A stent mounting device and a method of coating a stent using the device are provided. ... | 05/03/2005 |
| 6821549 | Process for coating a surface of a stent The invention relates to a method of coating a surface of a stent by contacting the stent with a coating solution containing a coating material, inserting a thread through the lumen of the stent, and producing relative motion between the stent and the thread to subs... | 11/23/2004 |
| 6756565 | Thermal insulator having a honeycomb structure and heat recycle system using the thermal insulator A thermal insulator can change a heat insulation characteristic partially with a simple structure. The thermal insulator is divided into a plurality of parts in accordance with a temperature of a heat source which is insulated by the thermal insulator. The plurality... | 06/29/2004 |
| 6743462 | Apparatus and method for coating implantable devices A method of forming a coating for an implantable medical device, such as a stent, is provided which includes applying a composition to the device in an environment having a selected pressure. An apparatus is also provided for coating the devices. The apparatus compr... | 06/01/2004 |
| 6720084 | Process for producing heat-resistant resin film having metallic thin film, process for producing endless belt, endless belt, and apparatus for forming image A heat-resistant resin film having a metallic thin film accumulated thereon or an endless belt having a metallic thin film accumulated thereon having good mechanical characteristics is produced in a simple process. A metallic thin film is formed on an inner surface ... | 04/13/2004 |
| 6635317 | Method for coating metallic tubes with corrosion-resistant alloys A method for coating an interior surface of a metallic tube with a corrosion-resistant and/or an abrasion-resistant alloy. The method includes placing an alloy within a tube, enclosing the open ends of the tube with end caps, at least one of which is vent... | 10/21/2003 |
| 6544582 | Method and apparatus for coating an implantable device An apparatus and methods for applying a coating to an implantable device. The implantable device can include depots formed in the outer surface thereof to receive the coating. The coating can include a polymer and a solvent applicable to the surface of th... | 04/08/2003 |
| 6539981 | Flow tube having a bonding layer with a fluoropolymer lining A flow tube has a metal outer tube and is lined with an ETFE fluoropolymer that is resistant to corrosive chemicals and mechanical damage even at high temperatures. The inner surface of the metal tube is coated with a bonding metal that can be securely bo... | 04/01/2003 |
| 6287632 | Rotolining process using fluoro polymer powder A process for rotolining a cylindrical article is provided, wherein the rotolining powder contains both fluoropolymer and filler and has a particle size of 70-1000 micrometers, and the cylindrical article (surface being lined) is rotated at a speed of at ... | 09/11/2001 |
| 6277443 | Low lead or no lead batch galvanization process A batch process for making galvanized steel products with a low lead or no lead zinc coating is described. Metal parts are cleaned, rinsed, pickled and rinsed and are immersed in a hot, pre-flux solution and thoroughly dried before they are immersed in a ... | 08/21/2001 |
| 6110526 | Method for coating container bodies internally A coating apparatus with a spray head is provided for coating can bodies internally. The spray head is supplied with coating material through a feed line which passes through the seam welding machine for the container bodies. The combined spray and extrac... | 08/29/2000 |
| 6045860 | Process for manufacturing interior tinned copper tube A process for manufacturing a copper tube with a tinned inner surface by circulating a substitution-type electroless tin plating solution inside the copper tube. The process is characterized by comprising a first plating step wherein the rate of depositio... | 04/04/2000 |
| 6019845 | Method for coating inner surfaces of metal tubes with powdery paint and apparatus therefor A method for coating an inner surface of a metal tube comprises supplying a hot-melt resin powdery paint floating in air together with an air stream into the metal tube which has been pre-heated and rotating around it's horizontal center axis. An apparatu... | 02/01/2000 |
| 5834673 | Method of providing fixed ammunition with an additive which limits barrel wear, and ammunition produced in accordance therewith The present invention relates to a method of applying a wear protection substance to the inside of metal cases used for ammunition. The wear protection substance comprises a composition of wax and a solid particle component which has a known barrel wear r... | 11/10/1998 |
| 5763004 | Appliance and process for introducing sealing compound into lug caps Also disclosed is an appliance for introducing sealing compound into lug caps, the appliance containing a turntable for accommodating the cap, and an injection unit, the injection unit containing a nozzle block, which has annularly arranged injection nozz... | 06/09/1998 |
| 5728423 | Method and apparatus for internally and externally coating enclosed metallic structures A process and apparatus for internally and externally coating enclosed structures with polymeric materials are provided. In general, the process includes loading a polymeric material into the interior of an enclosed structure. The enclosed structure is th... | 03/17/1998 |
| 5686141 | Method for coating the interior surface of a cylinder The present invention provides a method for coating the interior surface of a cylinder with a uniform, relatively thick layer of a polymeric material. The method includes the steps of dispersing a particulate polymeric material into the interior cavity of... | 11/11/1997 |
| 5618591 | Method of coating an inside of a pipe or tube A method of coating an interior surface of a metal tube with a coating material including the steps of filling the tube with a fluid degradable transport material containing a dispersion of the coating material, rotating the tube, and induction heating th... | 04/08/1997 |
| 5460850 | Hold-down device in apparatus for metalizing internal surfaces of metal bodies Apparatus for internally coating a pipe, comprising means heating a pipe as it is internally spray coated, a plurality of first rollers mounted on a first rotatable shaft having an inlet end proximate the heating means and an outlet end spaced from the he... | 10/24/1995 |
| 5413638 | Apparatus for metalizing internal surfaces of tubular metal bodies Apparatus for internally coating a pipe, comprising a device for heating a pipe as it is internally spray coated and a plurality of inlet rollers and a plurality of outlet rollers for supporting the pipe while it is being heated and longitudinally advance... | 05/09/1995 |
| 5385788 | Polyesters A film-forming polyester derived from a monohydric alcohol component having one or more long chain alcohols, the alcohol forming from 5 to 60% by weight of the components from which the polyester is derived. Coating compositions including the polyesters a... | 01/31/1995 |
| 5336523 | Method of coating and testing a tank A method of applying a liquid coating material to the inside of a tank(10) and performing a hydrostatic pressure test on the tank at the same time. The method is useable for applying a liquid vitreous enamel coating material to a water heater tank, to be ... | 08/09/1994 |
| 5232739 | Dual orifice nozzle and method for internally coating containers A nozzle, nozzle assembly and method for internally coating containers uses a dual orifice nozzle and method to direct divergent distinct spray patterns at separate interior surface portions of the container where the coating liquid is required most. The ... | 08/03/1993 |
| 5139814 | Method of manufacturing metal pipes coated with tin or tin based alloys This the method of manufacturing metal pipes by inserting tin or tin based coating material into the metal pipe, raising the temperature rapidly to over 1000° C. in the high frequency furnace in a non-active, or non-oxide atmospheric gas, or in a reducin... | 08/18/1992 |
| 5137793 | Cooking equipment pretreatment composition and method of use A food-safe composition for the pretreatment of a surface, preferably an oven or a broiler, which may be subjected to heat is liable to soiling by organic food deposits, especially baked-on food deposits. A food-safe, inorganic thickening agent which is s... | 08/11/1992 |
| 5110440 | Roll immersion system In a vehicle body processing apparatus, a process tank assembly comprises a plurality of process tanks each having a treatment liquid therein. A carrier supports the body in road position above the tanks. A rotating means rotates the carrier and the body ... | 05/05/1992 |
| 5101560 | Method for making an anisotropic heat pipe and wick A method for making an anisotropic or predominantly unidirectional wick primarily for use in heat pipes is disclosed unidirectional heat pipe wicks is made by supporting magnetically susceptible particles on a wire screen and moving the screen inside a ma... | 04/07/1992 |
| 5096746 | Dual orifice nozzle and method for interally coating containers A nozzle, nozzle assembly and method for internally coating containers uses a dual orifice nozzle and method to direct divergent spray patterns at separate interior surface portions of the container where the coating liquid is most needed and to minimize ... | 03/17/1992 |
| 5096734 | Method and device for balancing a roll The present invention concerns a method and a device for the balancing of a roll. Fluidizable balancing agent is placed onto a face of the roll at a location required by the balancing, at which location the agent adheres and hardens.... | 03/17/1992 |
| 4987013 | Process for lining pipe A computer controlled concrete injector pump and process for lining pipe comprises a pump chamber having an outlet connected to a spray lance through a first check valve and having first and second inlets, one inlet being connected through a second check ... | 01/22/1991 |
| 4921722 | Method for forming deposited film A method for forming a deposited film by forming a gaseous atmosphere of a hydrogenated silicon compound of the general formula Sin Hm wherein n is an integer of 1 or more, and m is an integer of 2 or more in a chamber housing a subs... | 05/01/1990 |
| 4877691 | Soil release agent and method to facilitate the cleaning of ovens used for cooking A composition for the pre-treatment in aqueous form of a surface, preferably of an oven, which is subjected to heat and is liable to soiling by baked-on organic food deposits. A food-safe, inorganic thickening agent, in an amount sufficient so that the co... | 10/31/1989 |
| 4866927 | Process for producing an open-end spinning rotor A process is provided for producing an open-end spinning rotor assembly. A boron treatment material is applied only to the fiber collecting groove area of the rotor of the spinning rotor assembly. Subsequently, a spinning enhancement material is applied o... | 09/19/1989 |
| 4816297 | Method of powder coating the inside of pipes with a continuous film of plastic material A method of powder coating the inside of tubular goods, such as oilfield pipe and the like, by connecting one end of the pipe to a means for producing a flow of compressible gases therethrough. The other end of the pipe is open to atmospheric pressure. A ... | 03/28/1989 |
