...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7237362 | Safe room A protective shelter and methods for manufacturing are disclosed. The shelter is capable of protecting individuals from significant wind velocities and other catastrophic damages that occur from dangerous conditions such as hurricanes, tornadoes and the like. Prior ... | 07/03/2007 |
| 7174681 | Concrete from stake system with self-sealing plug Method and apparatus for securing a building foundation form disposed on a moisture barrier membrane. The method includes the steps of positioning one end of a concrete form stake in a mating structure of a plug, penetrating the moisture barrier membrane with a tip ... | 02/13/2007 |
| 7155867 | Arcuate taper lock anchor base plate and anchor assembly with the base plate An anchor assembly for supporting a post and a base plate for the assembly. The assembly includes a tubular anchor body with an arcuate interior area. The anchor body is configured to receive a post having an arcuate exterior profile and a hollow lower end. The base... | 01/02/2007 |
| 7051988 | Brace for concrete forms A brace for securing concrete form members to a casting surface. First and second leg members are spaced to form an angle. A bridging member extends between opposing ends of the leg members and a strut extends between the joined ends of the leg members and the bridg... | 05/30/2006 |
| 7036786 | Mounting system A mounting system for a shelter, which includes an angle assembly and a supporting understructure. The angle assembly is mountable on longitudinal sides of the shelter. The shelter is mountable on the understructure, the angle assembly is attached to the understruct... | 05/02/2006 |
| 6921501 | Method of forming a circumferentially closed concrete wall having the same cross-section over the entire height thereof A method of forming a circumferentially closed wall having the same cross-section over its entire length included providing at least two circumferentially closed inner falseworks each formed of circumferentially closed inner part and a circumferentially closed climb... | 07/26/2005 |
| 6907709 | Concrete construction material and method of use A method for constructing concrete building units comprises forming and pouring a concrete floor on a floor platform, providing interior wall forms on said concrete floor, providing door frames, conduit and piping on said interior wall forms, providing a ceiling for... | 06/21/2005 |
| 6896972 | Round formwork module A round formwork module comprising a flexible skin having a front side which, when used, constitutes the forming surface for a concrete structure which is to be cast, and also provided with a rear side and a supporting structure which is arranged on the rear side of... | 05/24/2005 |
| 6866239 | Concrete form assembly A form assembly for forming a concrete structure during drying of the concrete. The form assembly is formed of an elongated plastic form having a front wall for engaging the concrete and a rear wall. The front wall is spaced apart from the back wall to define a pock... | 03/15/2005 |
| 6805938 | Cellulosis fiberboard building construction panel having reinforcing bands on expansive surface A building construction panel made of cellulosic fiberboard, comprising cementitious bands of a reinforcing material, which are applied via spraying, as the panel is being conveyed, so as to cover a minor portion of the overall area of a given one of the expansive s... | 10/19/2004 |
| 6691341 | Sink form and process A sink form for use in installing a sink having laterally extending flanges in a countertop is preferably formed of a plastic material, such as nylon or polypropylene resin. It is preferably made to the exact shape of the cut-out opening for the sink, alt... | 02/17/2004 |
| 6668511 | Formwork for pillars It is constituted by several plates (1), provided in its outer side (4) with transverse ribs (5), formed by C-shaped profiles and joined together to form a prismatic contour (7), closed by the inner flat sides of all the plates, the plates comprising a me... | 12/30/2003 |
| 6629681 | Flexible form assembly A flexible form assembly for forming concrete structures during setting of the concrete is provided. The flexible form assembly includes an elongated form having a front side for engaging the concrete and a rear side. The rear side includes a back wall di... | 10/07/2003 |
| 6604326 | Universal brick-back holder A holder comprising a rigid base bar having a pin end and a stabilizing end; a rigid stabilizing bar having a base end and an opposite end, with the base end of the rigid stabilizing bar being rigidly attached to the stabilizing end of the rigid base bar,... | 08/12/2003 |
| 6530553 | Method and apparatus for making concrete buildings A method for making a poured-in-place concrete building having a plurality of rooms includes assembling an outer form around a periphery of a floor and positioning a plurality of unitary room forms within the periphery of the floor. Each unitary room form... | 03/11/2003 |
| 6343894 | Reusable building foundation form apparatus and method A building foundation form apparatus and method uses transverse form supports (15) supported directly on the ground and carrying longitudinal form supports (21, 22) adjustably located on opposite sides of, and substantially parallel to, a foundation axis ... | 02/05/2002 |
| 6318700 | Anti-frost concrete mould An anti-frost concrete mold having an upper frustoconical portion, a transitional shoulder portion and a lower drum portion. The top portion of the mold is adjustable in height. The mold is fabricated simply by molding it over a die. The mold is fabricate... | 11/20/2001 |
| 6279281 | Concrete forming system Disclosed is a concrete forming system for constructing an upper wall for a bridge or a building, including: a plurality of beams, each having a flange; a plurality of steel bars arranged between the two opposing beams; a plurality of slabs on the steel b... | 08/28/2001 |
| 6128878 | Portable storage building with concrete floor and method of assembling and moving same A concrete floor of a portable storage building is made for one or more storage units with each unit including a floor made through use of a single pair of mold sections or a plurality of pairs of mold sections interconnected for multiple storage units. E... | 10/10/2000 |
| 6016633 | Concrete block form A weight supporting device combined to a concrete footing form for assembling and filling concrete blocks and the footing form simultaneously is provided. Two symmetrical sidewalls combined with interlock fasteners provide strength to suspend on the form ... | 01/25/2000 |
| 5863451 | Snow dome construction A method is provided for constructing a snow shelter. A set of fabric panels is connected together to provide a short skirt into which snow is filled throughout and compacted on the periphery. Panels are then connected to a higher level and additional sno... | 01/26/1999 |
| 5830378 | Concrete slab foundation forming devices An assemblage which forms in-situ monolithic concrete slab-on-grade foundations is an internally collocating monolithic forming unit, which unit is typically light weight enough to be maneuvered intact. The unit is comprised of a number of form members an... | 11/03/1998 |
| 5800727 | Base mold for concrete post A mold for forming a base for a concrete post, the mold having a side wall and a top wall characterized in that the top wall has a plurality of radially extending main slits extending from a central point to thereby form a plurality of flaps, the top port... | 09/01/1998 |
| 5792552 | Reusable concrete form panel sheeting The invention relates to concrete form panel sheeting comprising a resinous polymer core defining a concrete-form face and an opposite face, and a concrete-facing surface layer attached to the concrete-form face, the concrete-facing surface layer being ad... | 08/11/1998 |
| 5785459 | Prefabricated form for molding a footing of a settable structural material A prefabricated form for molding a footing of a settable structural material at the bottom end of a tubular form for a structural pillar is disclosed. The form is preferably constructed from a thermoplastic such as a high density polyethylene or ABS and i... | 07/28/1998 |
| 5759849 | Sludge treatment tank thereof construction method thereof In a sludge treatment tank, members made of a glass long-fiber reinforced foamed plastic composite material are used as formworks in construction and then left as an inside wall member. The composite material functions as formworks in a construction metho... | 06/02/1998 |
| 5445864 | Method of manufacturing glass reinforced concrete building products Reinforced concrete building products are manufactured using a two-part mould (2, 3), the two parts being hinged together about an axis (4) which is adjacent an edge of each part-mould (2, 3). Glass-reinforced concrete is applied to each part-mould (2, 3)... | 08/29/1995 |
| 5431366 | See-through concrete form A concrete form a part of which is made of a fiber-reinforced thermoplastic resin, said fiber-reinforced thermoplastic resin satisfying the following conditions: Tt(C)ࣙTt(M)-1.5 15ࣘTt(c) wherein Tt(C) (%) is total transmittance of the fiber-reinforc... | 07/11/1995 |
| 5399050 | Plastic concrete form for footers A thermoplastic sidewall forms one surface of a concrete form. The sidewall incorporates a drainage tile as an integral unit. Two of the sidewalls combined can provide a form for a concrete footer to be poured and remain as a permanent part of the structu... | 03/21/1995 |
| 5315806 | Structure for concrete frameworks and means and procedures for its making The said structure presents a constitution which, as well as providing a great resistance, supposes an effective reduction of the depth of floor slabs and technical layers built with current construction systems while allowing the incorporation of various... | 05/31/1994 |
| 5211895 | Molding process for forming a concrete paving block A molded and cured concrete paving member for paving driveways, walkways, patios, plazas and the like, comprising portland cement, a coal slag aggregate, water and an acrylic additive. The blend is poured into a non-porous, high gloss polyvinylchloride (P... | 05/18/1993 |
| 5111628 | Panel to produce swimming pools particularly and its production process A panel for the construction of swimming pools consisting of a prefabricated structure of reinforced resin concrete, at least one separate reinforcement element 2 corresponding to the height of the panels, the separate reinforcement element 2 comprising a... | 05/12/1992 |
| 4830543 | Foundation support for a building A method of providing a foundation support in unstable ground includes digging a hole into the soil until a stable substrate is reached, erecting column shuttering, back-filling the soil around the column shuttering, and casting a cementitious mix into th... | 05/16/1989 |
| 4826639 | Moulding process and apparatus for making arch-shaped concrete structures An apparatus for moulding prefabricated curved concrete sections for use in the construction of arched or vaulted structures comprises a curved, upwardly convex mould made up of a series of reusable substantially flat mould plates pivotally supported by v... | 05/02/1989 |
| 4799348 | Method and equipment for making a rigid slab enabling to carry a building Pin point foundations are formed, the ground is flattened and levelled at the level of these foundations, peripheral recoverable shuttering is disposed on the ground and continuous rows of non recoverable shuttering defining the ribs are disposed at the c... | 01/24/1989 |
| 4742986 | Apparatus for constructing concrete buildings Apparatus for constructing modular buildings in which a reuseable framing structure is expanded to a shape desired of a building, building material is removably attached to the framing structure, fluent concrete is introduced to the building material, the... | 05/10/1988 |
| 4723751 | Inflatable form for concrete structures A cylindrical inflatable bag when inflated is used as a form for a concrete structure. A large number of parallel anchor straps extend around a portion of the cylinder in planes perpendicular to the longitudinal axis of the cylinder. Each strap is fixed t... | 02/09/1988 |
| 4706927 | Form for producing arcuate bores in poured concrete slabs An arcuate plastic shoe-like sleeve form with an upper open minor end and a lower open major end is provided for attachment by a mounting flange on its major end to a form structure for poured concrete slabs, such as a floor, so that, after concrete is po... | 11/17/1987 |
| 4702048 | Bubble relief form for concrete A rigid, light-weight, thermoplastic bubble insulation form for cast in situ concrete slabs includes hemispherical void spaces for reduction of concrete volume and thermal insulation characteristics. An upper hemispheric surface provides an integral seati... | 10/27/1987 |
| 4673157 | Footing form A one-time-use form for concrete footings comprises a hollow plastic molding with a step-tapered upper portion, sections of which are removable to receive different sizes or shapes of one-time-use pier forms. Use of the two forms in concert permits substa... | 06/16/1987 |