"Transmission of documents via telephone wires is possible in principle, but the apparatus required is so expensive that it will never become a practical proposition."
Dennis Gabor, British physicist
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| Number | Title | Issue Date |
| 7744054 | Device to aid the unloading of support elements A device to aid the unloading of support elements, the support elements comprising a lower shaft and an upper shaft telescopically coupled to each other. The device includes annular first and second bodies coaxially couplable with each other. Each annular body is pr... | 06/29/2010 |
| 7390147 | Yieldable prop having a yield section A yieldable prop having a first end and a second end includes a first hollow conduit, a second conduit slidably received in the first hollow conduit, and a clamp assembly positioned adjacent the juncture of the first hollow conduit and the second conduit. A yield se... | 06/24/2008 |
| 7360971 | Yieldable prop A yieldable prop having a first end and a second end including a first hollow conduit, a second conduit slidably received in the first hollow conduit, a clamp assembly positioned adjacent to the first hollow conduit and the second conduit, and at least one handle co... | 04/22/2008 |
| 7344117 | Adjustable lift support apparatus An adjustable lift support apparatus includes a base, a sleeve attached onto the base, at least one meshing device, a shaft, and a support attached at the shaft. At least one groove is formed on an inner surface of the sleeve along a first axial direction. Each mesh... | 03/18/2008 |
| 7334968 | Yieldable prop A yieldable prop having a first end and a second end including a first hollow conduit, a second conduit slidably received in the first hollow conduit, a clamp assembly positioned adjacent to the first hollow conduit and the second conduit, and at least one handle co... | 02/26/2008 |
| 7273200 | Safety equipment for building sites The invention relates to a construction safety assembly. The inventive assembly comprises: safety posts with non-skid ends, which are provided with means for the rapid connection of a barrier; and, optionally, an upper jack-type safety element having a lower horizon... | 09/25/2007 |
| 7114888 | Yieldable prop A yieldable prop having a first end and a second end including a first hollow conduit, a second conduit slidably received in the first hollow conduit, a clamp assembly positioned adjacent to the first hollow conduit and the second conduit, a ring positioned around t... | 10/03/2006 |
| 7011279 | Support device with flexible support arm In a support device with a flexible support arm including a mounting structure for mounting the support device to a base, a support structure for engaging an article and a flexible support arm extending between the mounting structure and the support structure, the s... | 03/14/2006 |
| 6983570 | Top levelled access floor system A pedestal adapted to support a floor panel comprising a base, support means for supporting said floor panel above said base, displaceable means operable between said base and said support means for selectively displacing said support means and said floor panel rela... | 01/10/2006 |
| 6922953 | Diamond post stabilizer A device for stabilizing a plurality of spaced posts comprising an outer frame member; a plurality of bracket assemblies mounted to the outer frame member at a first set of spaced locations thereon to receive the posts; and a plurality of bracing members extending b... | 08/02/2005 |
| 6874739 | Cabinet positioning system A positioning system includes a first lift, a second lift, and a leveling system. Each lift includes a base, an adjustment element including a tubular body having a first end coupled to the base and a second end, a drive nut carried at the second end, and a drive sc... | 04/05/2005 |
| 6715961 | Method of supporting mine walls and installing a mine stopping A method of supporting opposite first and second walls of a mine passageway includes providing an elongate beam having opposite first and second ends and a longitudinal axis. The beam is configured to have substantial columnar strength for bearing a substantial long... | 04/06/2004 |
| 6705306 | Grill lid positioner A lid positioning device for a grill having a hinged lid comprises an upper mount for attachment to a sidewall of the grill lid, a lower mount for attachment to a corresponding sidewall of the firebox, and an elongated support member adjustably connected to the uppe... | 03/16/2004 |
| 6634826 | Clamp for support and connection members A clamp for locking at least one pin (30) or the like, comprising a hollow body (1) provided with coaxial apertures (9) and in which there is mounted, slidable but not rotatable, a member (11) loaded by a spring (10) and provided with a through hole (12) ... | 10/21/2003 |
| 6631878 | Adjustable base support mount for HVAC equipment Base support mount for HVAC equipment, comprises a base including a cavity having an outer edge; a body received within the cavity, the body including outside threads, and including a portion to support the equipment in a spaced relationship from a horizo... | 10/14/2003 |
| 6467741 | Steel prop capable of bearing bidirectional applied force Steel prop capable of bearing bidirectional applied force, including: an outer tube; an inner tube having a bottom end slidably nested in the outer tube; two clamping members, an inner circumferential face of each clamping member being formed with several... | 10/22/2002 |
| 6443411 | Floor anchor bracket for pilaster A pilaster assembly for bathroom partitions comprising a pilaster, a vertically oriented end wall with an upper surface and an inner face, and two vertical side walls, perpendicular to and extending laterally relative to the inner face of the end wall, wi... | 09/03/2002 |
| 6379084 | Mine stopping A stopping system for use in mines. The stopping system includes a king post truss for reinforcing the stopping panels against excessive deflection due to a pressure differential across the stopping panels. The truss has a variable length to accommodate c... | 04/30/2002 |
| 6357435 | Barbeque lid adjustment tool The invention provides a barbeque lid adjustment device including a shaft member attached to a movable lid of a barbeque grill or cooker and a rotatable elongate member. The rotatable elongate member includes an engagement section at one end for engaging ... | 03/19/2002 |
| 6176232 | Heat control device for use with hinged hood top barbecues A heat control device, for use with a barbecue having a hood top and a cooking base, wherein the hood top is hingeably attached to the cooking base, comprising a main body and a clamping assembly. The main body has a hood hollow for supporting the hood to... | 01/23/2001 |
| 6174110 | Shoring leg A shoring leg is provided with a latch for use in maintaining an end plate of the shoring leg and a jack collar in a predetermined position relative to each another. The latch comprises a latch member having a slot to receive a mounting bracket which moun... | 01/16/2001 |
| 6155017 | Truss structure A composite utility pole which has a polygonal shaped outer surface and a circular shaped inner channel. Also disclosed is a truss structure which can support an assembly such as a windmill power generator. The truss structure may include a plurality of c... | 12/05/2000 |
| 6086958 | Vehicle body panel positioning method for paint application A positioning method and fixture apparatus for use in such method for painting or coating a vehicle body panel, such as a plastic composite deck lid, when mounted on a pair of existing spring-counterbalanced arms of deck lid hinges. In the method, the app... | 07/11/2000 |
| 5901935 | Height-adjustable auxiliary jack an auxiliary jack including a foldable base assembly and a bracket pivotably connected to the base assembly. The bracket has a sleeve for guidingly receiving an elevator. A protruding height of the elevator with respect to the sleeve is adjustable and a l... | 05/11/1999 |
| 5775036 | Alignment of objects An apparatus allows for the alignment of objects with respect to one another. With a base element having an upper extendable member positioned upon and movable relative to the base. Recesses are provided on either end of the base and extendable member whi... | 07/07/1998 |
| 5653805 | Vehicle body panel positioning apparatus for paint application A positioning method and fixture apparatus for use in painting or coating a vehicle body panel, such as a plastic composite deck lid, when mounted on a pair of existing spring-counterbalanced arms of deck lid hinges. The method and apparatus releasably re... | 08/05/1997 |
| 5593129 | Telescoping mast with improved holddown-locking mechanism A telescoping multi-sectional mast in which the upper sections are extended and retracted in a controlled predetermined sequence and in which each section, when fully extended, is automatically and positively locked to the next lower section. The improved... | 01/14/1997 |
| 5372287 | Article carrier An article carrier adapted to be detachably interconnected with a vehicle such as an automobile, truck or trailer. The article carrier includes a connector member adapted to be telescopically received within a tubular member affixed to the vehicle and a c... | 12/13/1994 |
| 5273378 | Support column Support column for underground mining and tunnel construction, composed of a load-bearing outer shell and a core of a substance which is to be introduced in the flowable state and is capable of hardening. The upper column component can be slid out of the ... | 12/28/1993 |
| 5240032 | Stabilizer bar A stabilizer bar (26) is employed to stabilize an elongated valve stem extension (22) for a buried valve (11). The stabilizer bar includes telescoping sections (27, 28) providing adjustment to accommodate different diameter manholes (14). A bearing member... | 08/31/1993 |
| 5213299 | Grill prop The invention relates to an apparatus for propping open grill lids which is adjustable to allow for various elevations of the lid of the grill. Use of the apparatus retains heat within the grill, saves fuel by limiting the oxygen supply to the grill; requ... | 05/25/1993 |
| 5188331 | Umbrella support bracket The invention provides an umbrella support bracket for holding an umbrella over the head of a user who is loading or unloading the trunk of an automobile. The device comprises a central telescoping adjustable post having an angularly adjustable arm on whi... | 02/23/1993 |
| 5163650 | Telescoping mast with improved holddown-locking mechanism A telescoping multi-sectional mast in which the upper sections are extended and retracted in a controlled predetermined sequence an in which each section, when fully extended, is automatically and positively locked to the next lower section. The improved ... | 11/17/1992 |
| 5160109 | Steel post shore, or prop, for supporting of formwork in constructing buildings For supporting of formwork in constructing buildings, use is made of steel post shores (props) having a pin with recessed areas thereon. When the prop has to be brought from the loaded to the unloaded position, such pin is changed of position in the prop ... | 11/03/1992 |
| 5060903 | Telescopic shuttering support A telescopic support 14 of variable length has an outer tube tube 11 and an inner tube 12 which is telescopically displaceable therein. A shallow external thread 16 is provided at one end of the outer tube 11 onto which there is screwed a positioning nut ... | 10/29/1991 |
| 5024303 | Hatchback locking device The locking device may either be used with a conventional liftgate support or incorporated into the design of the liftgate support, to retain a hatchback-type door of a vehicle in an open position. The locking device of the present invention is for use wi... | 06/18/1991 |
| 4884914 | Adjustable and lockable screw spindle support device A support device for supporting a longitudinal member, such as a threaded rod, in a desired position with respect to the support device includes a housing adapted to receive the threaded rod, transversely within a housing aperture, and a slide axle, slide... | 12/05/1989 |
| 4589622 | Adjustable support legs Sturdy legs are normally retracted into the housing of an otherwise conventional smoke ejector but are extendable in various adjusted positions to support the ejector freestanding on a supporting surface.... | 05/20/1986 |
| 4581863 | Roof anchor and support A variety of roof-mounted support apparatuses for supporting ducts, air conditioning units, roof access ladders, and walk-ways, each apparatus including a base plate mounted below the roof insulation, a vertical support member connected to the base plate ... | 04/15/1986 |
| 4573823 | Adjustable pass-through joint An adjustable pass-through joint comprising a main joint body having a first bore longitudinally therethrough, a second bore orthogonally intersecting said first bore, a third bore intersecting said second bore and a fourth bore intersecting said second b... | 03/04/1986 |