Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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 |
| 8226879 | Hyper-fine cement The invention relates to a process for producing a hyper-fine cement, in which cement is wet milled in a nonaqueous solvent, if appropriate in the presence of a grinding aid, as a result of which a hyper-fine cement having a particle size D50 of | 07/24/2012 |
| 7867432 | Load bearing insulation and method of manufacture and use A building material which comprises cement, cellulose fibers and admixtures is used in the fabrication of bricks, panels or other building products. The manufacture of this building material is accomplished by adding water, paper, a water repellant composed of calci... | 01/11/2011 |
| 7628949 | Method and apparatus of curing concrete structures A method of controlling the cure of concrete structures using intralaminar heat generated by applying electrical energy to electrically conductive members disposed within the structures. These conductive members include carbon fibers. The method further incorporates... | 12/08/2009 |
| 7371798 | Thermoplastic water-curable composition, molded object made from the thermoplastic water-curable composition, and process for producing the same A thermoplastic water-curable composition which is excellent in mechanical properties, heat resistance, dimensional stability, and moldability and from which a mechanical part of a complicated shape can be produced: a molding formed from the thermoplastic water-cura... | 05/13/2008 |
| 7252281 | Apparatus for making a formwork for molding concrete walls A formwork making apparatus includes a bottom block, two side locating boards arranged in parallel on the bottom block, two forming boards respectively adhered to the side locating boards and set facing each other, two blocking plates set between the two side locati... | 08/07/2007 |
| 7137800 | Prestressed concrete casting apparatus and method A prestressed concrete casting apparatus includes a prestressing element (e.g., wire cable or rod) pretensioning fixture of simple easy to use construction, and great strength/rigidity for withstanding considerable pretensioning forces. Advantageously, a clamshell-t... | 11/21/2006 |
| 7066680 | Method of forming an inlaid pattern in an asphalt surface This application relates to a method of forming an inlaid pattern in an asphalt surface. The pattern may be selected for functional or decorative purposes. In one embodiment the method comprises the steps of providing a first template having a predetermined pattern;... | 06/27/2006 |
| 6972156 | Body formed of set, initially pasty material and including an electrically conducting path and a method of making such a body A body (5) of set, initially pasty material, such as concrete, includes an electrically conducting path formed by a concentrated layer (6) of electrically conducting magnetizable elements, such as fibers (F) or granules (G), embedded in the initially p... | 12/06/2005 |
| 6910796 | Process and equipment for producing concrete products having blended colors A process and equipment for producing multi-color concrete products, including architectural concrete blocks, concrete bricks, modular concrete products that are suitable for use in landscaping applications, such as retaining wall blocks, concrete pavers, and concre... | 06/28/2005 |
| 6780369 | Method of finishing plastic concrete mixture A method of finishing concrete using a vibrating tool to consolidate a “dry shake” aggregate into the upper layer of the concrete. The use of the vibrating tool causes moisture within the concrete mass to migrate into the surface layer where the moisture may hyd... | 08/24/2004 |
| 6740282 | Method and device for magnetic alignment of fibres Magnetizable fibers dispersed in a viscous body, particularly reinforcing metal fibers dispersed in a wet cementitious material, is carried out by providing a fiber aligning member (15) having a nonmagnetic wall (17) including a first wall portion (... | 05/25/2004 |
| 6699426 | Gypsum wallboard core, and method and apparatus for making the same A gypsum wallboard core, and methods and apparatus for making the same are disclosed. Methods of making a gypsum wallboard core include extruding a gypsum slurry containing water, gypsum, slip agents, water-reducing agents, surfactants and, optional addit... | 03/02/2004 |
| 6689305 | Process for consolidating particulate solids and cleaning products therefrom II A bed of particulate solids including some hydrated materials can be converted by controlled irradiation with subinfrared electromagnetic radiation into a unitary porous solid that is mechanically strong enough for easy handling. When the particulate soli... | 02/10/2004 |
| 6572811 | Method of forming a cementitious panel A method is provided for rapidly forming a cementitious panel. A cementitious mixture is introduced into a mold configured to provide the desired surface appearance and profile of the cementitious panel. The cementitious mixture is then subject to an acce... | 06/03/2003 |
| 6398998 | Method for producing bodies of consolidated particulate material A method for producing shaped bodies of particulate material by introducing an easily flowable slurry of water and particulate material into a mold with perforated walls and by applying a sufficiently high pressure to the slurry in the mold so as to expre... | 06/04/2002 |
| 6340442 | Method and apparatus for producing molded tubular objects from polymer concrete A method and apparatus for producing tubular molded products from molding material includes a mold casing and a mold core having a common longitudinal central axis which is vertically disposed. The mold casing and mold core are spaced from one another to ... | 01/22/2002 |
| 6217816 | Method for rapid forming of a ceramic work piece An inorganic binder and a dissolving agent are put into ceramic powder. They are mixed to form a plastic green mixture. Then the said mixture is formed into a thin green layer. Preferably, this thin green layer will be preheated and dried such that the th... | 04/17/2001 |
| 6207098 | Method for producing porous inorganic materials The present invention relates to a process for producing inorganic porous materials, mainly composed of glass or glass-ceramic components. The glass or glass-ceramic components can have interconnected continuous macropores with a median diameter larger th... | 03/27/2001 |
| 5885510 | Methods of making refractory bodies A method for manufacturing a reinforced cementitious columnar structure comprising: (a) providing a mold having a cavity which corresponds to a shape and size of the columnar structure; (b) filling the cavity with dry coarse particulates to form a formed ... | 03/23/1999 |
| 5858299 | Process for consolidating particulate solids A bed of particulate solids including some hydrated materials can be converted by controlled irradiation with subinfrared electromagnetic radiation into a unitary porous solid that is mechanically strong enough for easy handling. When the particulate soli... | 01/12/1999 |
| 5750276 | Treatments for concrete This invention relates to a method of inhibiting alkali-silica or alkali-aggregate reactions (AAR/ASR) in concrete structures by introducing lithium compounds or the like in conjunction with conventional techniques for the treatment of steel reinforcement... | 05/12/1998 |
| 5676905 | Methods for manufacturing articles of manufacture from hydraulically settable mixtures Methods and systems for readily and economically manufacturing hydraulically settable articles, particularly containers, from microstructurally engineered hydraulically settable mixtures. The mixture is pressed between a male die of a desired shape and a ... | 10/14/1997 |
| 5628955 | Method of manufacture of structural products A central supervisor controls a manufacturing process fabricating fibrous, cementitious structural products requiring very small dimensional tolerance, high strengths, controlled reinforcement alignments, multiple undercuts, and complex shapes not possibl... | 05/13/1997 |
| 5569426 | Method of producing lightweight cement blocks A lightweight cement block and a method of producing the lightweight cement block, comprising the steps of mixing three parts by volume sawdust with water to form a first mixture having a relative moisture content in the range of 40% to 44%; adding one pa... | 10/29/1996 |
| 5368791 | Method of producing patterned shaped article A method of producing a patterned shaped article includes the steps of disposing at a prescribed position within a main form for molding the shaped article a cell form having a plurality of cells arranged in a contiguous manner, charging a prescribed amou... | 11/29/1994 |
| 5367854 | Methods for connection of precast concrete units A wet connection method for the precast concrete units capable of performing the connection of the units in a shorter time by electrically heating the concrete placed in the connection part. This method comprises the steps of connecting the reinforcing ba... | 11/29/1994 |
| 5312526 | Method for increasing or decreasing bond strength between concrete and embedded steel, and for sealing the concrete-to-steel interface A process for adjusting the steel-to-concrete bond strength in a hardened concrete structure having embedded steel elements. A source of DC voltage, preferably in the range of 5-40 volts, is connected at its negative side to the embedded steel and at its ... | 05/17/1994 |
| 5252266 | Control of the hardening of binders and cements The setting or hardening reaction of binders and cements of the types which are alkali-activated or acid-activated is controlled by forming a paste of the binder or cement and a salt which, under electrolysis forms the activating agent, placing the paste ... | 10/12/1993 |
| 5173233 | Process for forming decorative concrete slabs A process for forming a poured slab, preferably of concrete, which has different colored portions. The process includes (a) pouring a wet concrete mixture of cement particles, sand particles and gravel particles into a horizontal mold cavity having a step... | 12/22/1992 |
| 5149563 | Method for electrostatically coating plaster mandrels A method for electrostatically coating plaster mandrels by making the mandrels electrically conductive, thereby facilitating electrostatic painting or spraying, by embedding a ground strap into the mandrel which is in an electrically conductive "green" or... | 09/22/1992 |
| 4990292 | Method for producing carbon fiber-reinforced gypsum models and forming molds A process for producing improved gypsum models and molds of high duplication accuracy is provided. In the process, bundles of carbon fibers of specified length and amount having a sizing agent deposited thereon are treated to remove the sizing agent from ... | 02/05/1991 |
| 4981626 | Method of forming dense concrete surface layer After a mortar layer is formed on the surface layer of placed concrete, an ultrasonic vibrator is caused to vibrate while being pressed against the mortar layer surface, and a thin surface layer is scraped off, obtaining a dense water-shielding layer. Mor... | 01/01/1991 |
| 4889666 | Method for producing concrete products provided with inlaid patterns A method for producing concrete products provided with inlaid patterns includes (a) preparing a reusable mold provided with recessed patterns by applying ultra violet rays on the surface of an ultra-violet-ray setting resin plate, (b) preparing a waste mo... | 12/26/1989 |
| 4789267 | Method of and apparatus for concrete tunnel lining An apparatus for making a tunnel lining from concrete in a single operation with a tunnel excavator comprises a tunnel lining form consisting of a plurality of tunnel lining form segments and a form front adjacent the tunnel excavator and a tunnel lining ... | 12/06/1988 |
| 4687374 | Method of and apparatus for concrete tunnel lining An apparatus for making a tunnel lining from concrete in a single operation with a tunnel excavator comprises a tunnel lining form consisting of a plurality of tunnel lining form segments and a form front adjacent the tunnel excavator and a tunnel lining ... | 08/18/1987 |
| 4539165 | Method for the casting of large-size objects out of a high-viscosity concrete mix The invention is concerned with a method and a mould in the casting of large-size concrete objects or corresponding elements for compacting high-viscosity casting mix. Thereat, the mould (3 or 17) comprises a bottom (8 or 24) and side walls (6, 7) as well... | 09/03/1985 |
| 4443261 | Method of preparing gypsum articles Plaster products can be prepared from calcium sulfate dihydrate by adding to a water slurry of calcium sulfate dihydrate a potassium salt, especially potassium hydrogen-carbonate or potassium tetraborate but, in the first place, potassium sulfate, includi... | 04/17/1984 |
| 4338135 | Microwave curing of cementitious material A method for manufacturing cementitious products are provided in which microwave radiation energy is applied to cementitious products that have been at least partially cured by a moist curing method such as low pressure steam, water vapor or autoclave cur... | 07/06/1982 |
| 4159911 | Method of mixing steel fiber reinforced concrete A method of mixing a steel fiber reinforced concrete comprising the steps of subjecting steel fibers each having a surface to weight ratio of over 900 mm2 /g to a pretreatment so as to orientate said steel fibers in a predetermined direction, r... | 07/03/1979 |
| 4140887 | Method for microwave heating An object responsive to microwave energy is enclosed in a thermally insulated enclosure which is substantially transparent to microwave energy and is heated by microwave energy passing through the enclosure. The apparatus includes a chamber which supports... | 02/20/1979 |
