Did You Know...
...that when IBM conducted a market study of Chester Carlson's invention in 1959, the company concluded that it would take only 5000 units of his new product to saturate the market? IBM therefore declined to be part of the new product introduction. Too bad for IBM. Carlson's invention was the xerography process, and his new product was the beginning of the Xerox Corporation. It is estimated that every day, worldwide, 3,000,000,000 copies are made!!
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| Number | Title | Issue Date |
| 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 |
| 7240563 | Method for verifying concrete flexural strength The present invention relates to a method for verifying concrete flexural strength by establishing a predictive correlation between concrete flexural strength and a second strength parameter, such as direct tension or indirect tension, measuring the value of that se... | 07/10/2007 |
| 7185875 | Steps made easy for concrete only An adjustable template apparatus for setting up risers in manufacturing concrete steps for enhancing the speed of set up for risers with regard to level and spacing. The adjustable template apparatus for setting up risers in manufacturing concrete steps includes a h... | 03/06/2007 |
| 7082725 | Threshold tray and clip system In recent decades within the building industry, there has been a trend toward mass production of building components. The trend has included every part of structures except for the concrete slab the building is built on. The “Threshold Tray and Clip System” uses... | 08/01/2006 |
| 7047698 | Exterior step system made from masonry units attached via a metal frame A step system made up of masonry panels of various sizes pre-formed to resemble natural stone or brick on the outside. These panels have bolts or other securing devices embedded in them at precise locations at the time of their manufacture. These securing devises al... | 05/23/2006 |
| 6959521 | Method of creating a watertight basement stairway simultaneously with forming a building foundation A concrete basement stairway is created, by positioning a stairway form 1 between a first pair of concrete receiving foundation channels 9 and a second pair of concrete receiving foundation channels 9a of any size foundation, the stairway... | 11/01/2005 |
| 6945690 | System for holding paint container A holder for mixing a container of paint is disclosed. The system comprising a body having a cover and a base. The system also comprises an aperture in the cover of the body. The system also comprises a cavity in the body and accessible through the aperture and conf... | 09/20/2005 |
| 6945689 | System for holding paint container A system for mixing paint and for holding a container of paint having a cover engaging a body is disclosed. The system comprises a rotary mixer comprising a holder configured for receiving the container. The system also comprises a clamp comprising an arm configured... | 09/20/2005 |
| 6869553 | Method for forming a precast brick riser A method of manufacturing a prefabricated precast riser module, where the required forms that are used in casting the modules are reusable and need not to be transported to the construction site. Each precast riser assembly is finished having brick facings. Brick fa... | 03/22/2005 |
| 6860460 | Method and apparatus for assembly of stair forms Construction forms for making concrete forms for making stairs have a bracket with a stringer mount face and a riser mount face. Each mount face has mounting structure located thereon. A longitudinally extending stringer stop extends away from and perpendicular to a... | 03/01/2005 |
| 6634145 | Modular stone stair system A modular stone stair system using a plurality of modules in the form of stringers, risers, treads and landings in standardized thicknesses and widths. The risers, landings (if any) and treads have different widths dependent upon the width of the stairs d... | 10/21/2003 |
| 5205942 | Lipped channel formwork A formwork for concrete including a lipped channel edge form having a lipped cavity and an edge form supporting bracket. The supporting bracket having a base member with an aperture therein and an upright member which is perpendicular to the base member. ... | 04/27/1993 |
| 5194165 | Finishing caps for concrete formwork A finishing cap for concrete formwork is described herein for providing smooth finished concrete joints and corners while reducing the time, labor, expense, and expertise required to make such a joint. The finishing cap provides two non-parallel edges for... | 03/16/1993 |
| 5186874 | Method for casting stairs within pools A method of constructing arcuate cement stairs in a pool includes (a) attaching a first arcuate form having a first form radius to the wall of the pool; (b) attaching a second arcuate form having a second form radius smaller than the first form radius to ... | 02/16/1993 |
| 5133530 | Adjustable mold for casting a concrete stairway An adjustable mold for casting stairways of concrete enables the total length of a stairway and also the dimension of the separate steps to be adjusted. The mold includes a longitudinal horizontal frame supporting two identical parallel articulated arm sy... | 07/28/1992 |
| 5026018 | Apparatus for forming risers for concrete steps An apparatus for forming risers for concrete steps between a pair of spaced vertical walls. The apparatus takes the form of a bracket which is to connect with a length of wood such as a conventional 2×6. A threaded member associated with the bracket in t... | 06/25/1991 |
| 4846437 | Bracket for supporting concrete formwork Mold fabrication apparatus for forming molds is disclosed. The mold fabrication apparatus includes edge members (10) with lipped flanges (12) which extend rearwardly from the mold face (11), and brackets (14) which are notched to engage with the lipped fl... | 07/11/1989 |
| 4775131 | Device for assembly of stair forms An apparatus as disclosed for making concrete forms for making stairs. A substantially planar member has a riser end and a pivot end substantially opposite the riser end and has first and second. A pivot point rotatably fixes the pivoting end to a stringe... | 10/04/1988 |
| 4714231 | Adjustable mold for the manufacture of concrete elements such as staircases The present invention has as an object an adjustable mold for the manufacture of concrete elements such as staircases of the type having a straight line extent, of which the treads are perpendicular or not perpendicular to the risers. The adjustable mold ... | 12/22/1987 |
| 4635895 | Concrete form spreader bracket A spreader bracket for positioning concrete forms for concrete foundations, particularly the stem wall of a housing foundation. The spreader bracket is fabricated in the fashion of a strut to elevationally support and space an inner form member from an ou... | 01/13/1987 |
| 4601456 | Apparatus for forming a concrete structure An apparatus for forming concrete structures which is comprised of size variable form units that can be erected in various forms by incorporating telescopic struts, telescopic batters with fastening means including spring catch members and spring latch me... | 07/22/1986 |
| 4444374 | Prefabricated concrete forms assembly A concrete forms assembly for casting a concrete stair and comprising two tiers of panels of sheet material, each panel being channel shaped in cross section. Each tier of panels comprises a pair of opposite side panels and a front panel bridging ends of ... | 04/24/1984 |
| 4365780 | Removable insert for forming holes in concrete and the like The present device is especially useful for positioning on forms prior to the pouring of concrete for removal therefrom to create holes in the concrete to receive inserts therein such as in making holes in concrete for steps to be used in a manhole. A tap... | 12/28/1982 |
