"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 7380372 | Wall bracing system and method of supporting a wall In accordance with one preferred embodiment of the present invention, a wall brace apparatus for use in supporting a damaged wall from the interior of a building basement is disclosed. The wall brace apparatus includes an alignment brace positioned between a floor b... | 06/03/2008 |
| 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 |
| 7070136 | Fence assembly A fence assembly is provided which comprises: a first fence post extending upwardly from the ground; a first tubular member having a first upper end and a first lower end, the first tubular member being received over but not connected to the first fence post such th... | 07/04/2006 |
| 6931805 | Post construction alignment and anchoring system and method for buildings A method for moving a wall from a first position to a second position and anchoring the wall in the second position, according to which a portion of an elongated assembly is placed through an opening in the wall. An auger is provided on one end portion of the assemb... | 08/23/2005 |
| 6774302 | Method for maintenance of overhead line plants for telecommunications A method or the realisation and the maintenance of overhead line plants for telecommunications, in which the anchor or “mooring” device of the self-gripping two-way supports of the cables, is made integral with a movable structure free to move along the supporti... | 08/10/2004 |
| 6662505 | Apparatus and method of straightening and supporting a damaged wall A method and apparatus for supporting and straightening a wall includes two secured brackets, a beam extending between the brackets and the wall, the beam being comparable in length to the walls height. In between the beam and one of the brackets, a holdi... | 12/16/2003 |
| 6550188 | Adjustable scaffold used with concrete-receiving forms Walls of expanded polystyrene, concrete-receiving forms (referred to as insulated or insulating concrete forms or ICFs) need to be vertical while they are being filled with concrete and while the concrete is curing. An apparatus with a vertical member and... | 04/22/2003 |
| 6112475 | Knee brace bracket for tilt-up construction A knee brace bracket for use in a knee bracing system for tilt-up panel constructions. The knee brace bracket includes front and rear face members defining circular structures for extending around a main pipe brace which extends between a panel and a floo... | 09/05/2000 |
| 5956906 | Adjustable support brace An adjustable brace for a wall constructed from concrete masonry units or brick or precast. The brace has a inner member with a first section, a second section, and a center section connecting the first and second sections and having a connection for atta... | 09/28/1999 |
| 5558312 | Adjustable safety bracket for roofing An adjustable safety bracket for use in roof construction provides a support for a safety barricade to be erected along the edge of the roof. The bracket assembly includes an attachment member which engages the free end of a roof support bracket, such as ... | 09/24/1996 |
| 5233809 | Portable antenna mast support system This invention relates to a portable, easy-to-put-together, strong, durable mast support system for use in field operations where an antenna mast, or other similar mast, needs to be safely and quickly assembled, raised and supported. The mast support syst... | 08/10/1993 |
| 5116025 | Cantilevered, retractable handrail A retractable handrail for use with a recreational vehicle comprising a handrail having a hand contacting surface on a top side thereof and a support body extending downward from the hand contacting surface. The support body includes a pivotal end and piv... | 05/26/1992 |
| 5076547 | Apparatus and method for collapsible handrail A collapsible handrail apparatus is disclosed for being mounted on a wall structure adjacent a doorway. The handrail apparatus comprises mounting fixtures by which a handrail structure can be pivotally connected to the wall structure. A bracing bar is con... | 12/31/1991 |
| 5042780 | Fence post brace A wire fence T-post brace is formed by a length of rigid metallic material having a transverse soil engaging member adjacent one of its earth penetrating ends. The other end of the brace is pivotally connected with an open angularly shaped brace removably... | 08/27/1991 |
| 5024420 | Foldable handrail assembly A foldable handrail assembly for use with an entrance in a wall of an enclosure such as a trailer or the like. The foldable handrail assembly includes a handrail which may be extended from and locked at an angle to the trailer wall for use with the entran... | 06/18/1991 |
| 4979725 | Roof safety barrier supporting frame A triangular frame assembly is disclosed for supporting a safety barrier of boards above the edge of a roof during construction. The triangular assembly employs pivotal connections between a base and a lower stanchion member, between the base and a diagon... | 12/25/1990 |
| 4889322 | Post brace apparatus and system A bracing system is disclosed which is particularly suitable for providing line and end corner bracing for "T-post" fence construction. The bracing system comprises slidable collars which are positioned over the posts and located vertically between the lu... | 12/26/1989 |
| 4620693 | Pole lifting apparatus Apparatus for lifting electric line poles is disclosed which also enables a ground rod or stake to be driven into the ground next to such a pole. There is provided a telescopic mast having a hoist with a rope run over pulleys to a lifting hook and attache... | 11/04/1986 |
| 4261550 | Foldable handrail structure A hollow handrail is pivotally connected at one end to a fixed bracket. A brace is pivotally connected at one end to another fixed bracket vertically aligned with the first-mentioned bracket. A slide is mounted in the hollow handrail and is pivotally conn... | 04/14/1981 |