...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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 |
| 7610730 | Stacking masonry block system with locking starter device A masonry block system that employs blocks with unique surfaces, top and bottom, and a locking starter rail for placement below the block wall. The surfaces of the block and the shape of the starter rail are configured so as to lock together, providing a wall system... | 11/03/2009 |
| 7415805 | Wall system with masonry external surface and associated method An improved wall system comprising a plurality of blocks formed at least partially of a masonry material, a layer of an insulative material, and a layer of a curable or settable material interposed between the blocks and the layer of insulative material. The blocks ... | 08/26/2008 |
| 7331148 | Stud for concrete forms and forms using such studs A concrete form comprises cross members, plywood, and metal studs. The studs include a front wall, a rear wall, and a pair of side walls, the walls arranged to form a generally rectangular cross-section. A pair of inner walls extends between and perpendicular to the... | 02/19/2008 |
| 7290377 | Block connector A block connector for pre-cast building blocks comprising a top body portion to be fitted into the bottom surface groove of an upper block and a bottom body portion to be fitted into the top surface groove of a lower block. The top and bottom body portions define th... | 11/06/2007 |
| 7243468 | System to lay out the position of glass blocks for construction of a glass block wall The present application discloses curb components that represent various shapes of glass blocks to be used in the construction of a curb for a glass block wall, along with a system and method for laying out the curb components. The curb components can be fitted toge... | 07/17/2007 |
| 7032357 | Bridging member for concrete form walls A building component having first and second high density foam panels and improved bridging members for connecting the panels that extend between and may be molded into the panels. The bridging members include a pair of elongated end plates oriented in a top to bott... | 04/25/2006 |
| 6935081 | Reinforced composite system for constructing insulated concrete structures A reinforced composite system for constructing insulated concrete structures comprising, panels having a foam plastic core between outside and inside reinforcement layers, reinforcement layers substantially strengthen the panels during material handling and construc... | 08/30/2005 |
| 6922961 | Vertical and horizontal spacers to form curved glass block walls This application discloses parts for use in constructing a curved glass block wall using regular shaped glass blocks. The assembly parts include a vertical spacer, which provides for adjustable widths of spacing to be obtained between adjacent glass blocks, as well ... | 08/02/2005 |
| 6886303 | Form bracing tie bracket for modular insulating concrete form system and form using the same A tie bracket for supporting opposing synthetic foam insulating panels of a concrete receiving form, and a form utilizing such brackets. The tie bracket has intersecting horizontal and vertical members forming circumferentially closed openings therein. Most openings... | 05/03/2005 |
| 6857240 | Cinderblock alignment clip A cinderblock alignment clip comprising a center plate having a first end and a second end. A first retaining arm having a first portion and a second portion, both the first portion and the second portion are connected to the first end. The first portion extends in ... | 02/22/2005 |
| 6854702 | Form for manufacturing concrete blocks for freestanding walls A form for manufacturing concrete blocks for constructing freestanding walls. The form includes a base and four side panels which are mounted on the base to pivot between a first position for casting a block and a second position for removing a cast block from the f... | 02/15/2005 |
| 6820384 | Prefabricated foam block concrete forms and ties molded therein A foam block concrete form having a pair of opposing foam panels spaced parallel from each other, and retained in opposing fashion by a plurality of transverse ties therebetween. Each panel has opposing longitudinal edges having engaging means formed therealong for ... | 11/23/2004 |
| 6668503 | Concrete wall form and connectors therefor A connector for tying together opposed foam panels in spaced and parallel relationship to make a form for receiving flowable material is disclosed. The connector comprises a pair of anchor members, one being devised to be embedded in one of the foam panel... | 12/30/2003 |
| 6669405 | Assembly and method for joining drain pipe to concrete catch basin An assembly and method for joining a drain pipe with a concrete catch basin, structural elements of the assembly including a concrete catch basin having a wall, the wall having inner and outer surfaces, the wall further having a plate embedded within the ... | 12/30/2003 |
| 6647686 | System for constructing insulated concrete structures A system for constructing insulated concrete structures comprising panels molded from a closed cell foam plastic, with a facing material attached to the outside surface of panels adding substantial strength to panels during material handling and construct... | 11/18/2003 |
| 6557818 | Form for manufacturing concrete retaining wall blocks A form for manufacturing concrete retaining wall blocks. The blocks are cast in the form with a front face of the block down. A resilient face insert at the bottom of the form imparts an ornamental appearance to the front face of the block. The form has f... | 05/06/2003 |
| 6314694 | One-sided insulated formwork One-sided, insulated formwork used in the construction of walls from pourable building material, such as concrete, including an insulating panel connectable to a removable panel by a connecting structure, which may include a permanent reinforcement embedd... | 11/13/2001 |
| 6293067 | Tie for forms for poured concrete A system of preparing a form for the pouring of concrete for foundations and the like. The system includes a series of tracks for holding of forming insulation material or the like. The tracks are held by ties having ends readily attachable to ribs on the... | 09/25/2001 |
| 6263631 | Sealing plate for wall tile A sealing plate for use with a building, the building having an inner wall structure, an air impermeable sheet material for covering the inner wall structure and defining an air impermeable barrier, an insulation material on top of the sheet material and ... | 07/24/2001 |
| 6253523 | Mechanical support for foam building blocks An improved mounting for attaching an outer and inner facing material to a wall. The wall comprises a plurality of interlocking foam blocks with each of the plurality of interlocking foam blocks having an inner and an outer block surface for defining an o... | 07/03/2001 |
| 6240688 | Holder for adjustable positioning of reinforcing rods The current invention is directed to a holder (32) for adjustable positioning of reinforcing rods (49). The holder has a horizontal support structure and a means for holding a reinforcing rod (49). The holder is comprised of a first leg member (33), a sec... | 06/05/2001 |
| 6230462 | Concrete wall form and connectors therefor A connector for tying together opposed foam panels in spaced and parallel relationship makes a form for receiving flowable material. The connector comprises a pair of anchor members, one being devised to be embedded in one of the foam panels and the other... | 05/15/2001 |
| 6176059 | Modular concrete building system A modular construction system and method of use for creating a concrete wall system which has a wall system which complies with a modular construction system. The system uses wall form panels having connectors and structural tie plates. The wall form pane... | 01/23/2001 |
| 6161342 | Prefabricated concrete element for building a civil engineering structure having an arched wall A civil engineering structure having an arched wall including a plurality of curve shaped elements. Each element bears against one or more other similar elements and has a recess arranged in an outer face for casting a concrete assembly capping piece and ... | 12/19/2000 |
| 5937604 | Concrete form wall spacer A concrete forms wall spacer is provided in the configuration of a truss having top and bottom horizontal frame members interconnected by angularly extending reinforcing struts. The top frame member is configured to rest upon the upper edges of a pair of ... | 08/17/1999 |
| 5924254 | Modular precast wall system A modular construction system (10), the preferred embodiment of which is directed toward the construction of structural walls (26). The construction system (10) employs precast wall units (12) and a variety of spacer/tensioning, spacer, tensioning, and ex... | 07/20/1999 |
| 5907939 | Masonry hanger A reinforcing bar support or hanger for use in a masonry block wall incorporates a pair of supporting arms for contacting the surface of a supporting block and includes vertically extending hanger members terminating in a rebar cradle for receiving and su... | 06/01/1999 |
| 5890337 | Double tie A double tie includes a pair of upper and lower straps connected in parallel relationship by a pair of vertical plates attached to the outward ends of the straps. The plates are oriented orthogonally relative to the straps to form a general "T" shape. A p... | 04/06/1999 |
| 5881524 | Composite building system and method of manufacturing same and components therefore A composite building system includes a special joist having a lower flange in one embodiment and a special ladder reinforcement in another embodiment, a plurality of special masonry blocks defining a longitudinal trough, the blocks having mutually co-plan... | 03/16/1999 |
| 5845444 | Masonry reinforcement A strengthened masonry reinforcement device is used in construction to strengthen the courses of laid hollow block. The masonry reinforcement device is fashioned with ends and a strengthened trough. When used in the construction of a wall the masonry devi... | 12/08/1998 |
| 5829217 | Wall construction and spacer for use therewith A spacer for use in the wall construction for a building or the like. The wall generally comprises a plurality of blocks arranged in at least first and second layers spaced one above the other by a predetermined distance, each block having first and secon... | 11/03/1998 |
| 5809726 | Foundation construction system A building system and apparatus for forming a wall on a footing. U-shaped channels and H-shaped or T-shaped members coupled at their sides by rigid links hold foam panels in a desired spaced relationship. Vertically oriented panels aligned and connected b... | 09/22/1998 |
| 5809725 | Sectional nog structure for fastening a covering element to a foamed plastic slab and construction element incorporating said structure A sectional nog structure for fastening a covering element to a foamed plastic slab (5, 6, 35, 39, 49, 54) comprises at least one insert (2, 3), flush-insertable in the slab (5, 6, 35, 39, 49, 54) and associated with a tierod (4), having a base (10) acces... | 09/22/1998 |
| 5768842 | Weep drain for tile walls A weep drain for a tile wall includes a dam for collecting water, moisture, or other liquids and an extrusion with a plurality of hollow cylindrical tubes for allowing the water, moisture or other liquids to drain from behind the tile wall.... | 06/23/1998 |
| 5761858 | Permanent form for placing basement concrete wall A permanent form for placing a basement concrete wall includes a percolation layer and a water-conduit channel for discharging water leakage or the like from a basement concrete wall. If the basement concrete wall is placed using the form, the percolation... | 06/09/1998 |
| 5735090 | Modular foundation construction and method The present modular foundation construction includes a plurality of interconnectable extruded modular forms configured to be selectively arranged and interconnected in the shape of a customized building foundation. The plurality of forms, when the shape o... | 04/07/1998 |
| 5704181 | Dissymetric beam construction An improved structural framing system and associated method for constructing same wherein a specially configured dissymetric steel beam is horizontally disposed and supported between adjacent vertical columns erected on conventional foundations. The dissy... | 01/06/1998 |
| 5678373 | Modular precast wall system with mortar joints A modular construction system (10) which is directed toward the construction of structural walls (26). The construction system (10) employs precast wall units (12) and a variety of spacer/tensioning, spacer, tensioning, and extension assemblies (14, 16, 1... | 10/21/1997 |
| 5678372 | System for building construction using preformed, reinforced concrete panels Adjacent reinforced, preformed wall panels are joined to one another by a wet-knit joint. The confronting edges of the wall panels are formed to have an undulating pattern of alternating convex, concave segments having ends of reinforcement bars extending... | 10/21/1997 |
| 5657601 | Form tie rod spacer assembly for stay-in-place forms An apparatus for assembling two cement board stay-in-place form panels for aking concrete-filled walls that is cost-effective and forms a uniform precise composite wall construction. The assembly includes a coextensive corrugated spacer panel between the f... | 08/19/1997 |