Did You Know...
...that the Eveready Battery began as an invention called the "electric flowerpot," which was a tube with a battery and light bulb inside? The idea was to fasten this gizmo to the side of a flowerpot so it would illuminate the flowers from the bottom. The idea died on the vine and the businessman who licensed the flower pot, Conrad Huber, was left with a pile of useless tubes -- until he found a way to market them as batteries to light the world!
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| Number | Title | Issue Date |
| 7365446 | Wind power plant having power module mounted on tower foundation and method for use in constructing same The invention relates to a method for constructing a wind energy plant and to a wind energy plant as such. An aim of one aspect of the invention is to provide a method for constructing wind energy plants at lower expenses and more rapidly. According to one aspect, a... | 04/29/2008 |
| 7222465 | Building board A board suitable for installation on the side of a building has a front surface suitable for exposure to the weather, a rear surface, an upper end and a lower end, wherein the board has a stacking foot at either the upper end or lower end of the board, and has a sta... | 05/29/2007 |
| 7207147 | Mortarless wall structure A wall structure (10, 110) and method of construction. The wall structure (10, 110) comprises a plurality of preformed, lightweight blocks (12, 112) supported and interconnected by a plurality of elongated, vertically oriented, collateral suppor... | 04/24/2007 |
| 7032354 | Sandwich erection lift anchor with welding plate assembly The present invention relates towards an erection lift anchor with welding plate assembly for embedment in a concrete member, such as a precast or tilt-up wall. The erection anchor of the present invention allows for concrete members, such as walls, to be positioned... | 04/25/2006 |
| 6948282 | Interlocking building block The present building block has at least one inner core, a secondary or end core portion, and an interlock protruding from one face and forming a portion of the periphery of at least one of the inner cores. When placed end to end and at the same level, building block... | 09/27/2005 |
| 6779312 | Anchoring device An anchoring device adapted to be partially buried in a concrete member during forming thereof for cooperation with a pick-up unit, the anchoring device comprising an integrally formed lifting pin and a void former. ... | 08/24/2004 |
| 6729079 | Concrete anchor One preferred embodiment of an improved concrete anchor designed in accordance with the present invention for embedment in a concrete panel or the like includes an elongated bar having substantially flat parallel faces, an inner end disposed within the panel, an out... | 05/04/2004 |
| 6453625 | Insulated building block A insulated building block for providing insulation to a structure. The insulated building block includes a member has top and bottom faces, and front and back faces. The member has a spaced apart pair of insulation spaces extending therethrough between t... | 09/24/2002 |
| 6345472 | Apparatus and method for anchoring and erecting concrete or similar materials An apparatus for use in concrete construction is characterized by a body having a first portion configured to be set into concrete during the casting of that concrete, and which can be removed from the concrete after the concrete has set, and thereby may ... | 02/12/2002 |
| 5596846 | Lifting anchor for embedment in concrete members An improved anchor for embedment in a concrete member to provide a lifting attachment for the member. The anchor comprises an elongate bar having convergent and divergent surfaces wherein the divergent surfaces face outwardly to direct axial pull-out forc... | 01/28/1997 |
| 4918885 | Method and apparatus for inhibiting ice mass formation In a method and apparatus for inhibiting ice mass formation around equipment housed in a chamber subject to water penetration, a plurality of compressible, non-absorbent, smooth-surfaced blocks are packed around the equipment to substantially fill the cha... | 04/24/1990 |
| 4696451 | Grid system and method for cast forming monolithic concrete roof covering A reusable grid system and method for in place cast forming a monolithic roof covering for a sloped roof, the roof covering having the stepped and segmented appearance of a tiled roof. The grid system includes a plurality of horizontally disposed dam bars... | 09/29/1987 |
| 4650389 | Mechanism and method for positioning a fender on a dock vertical wall A mechanism for positioning on a dock vertical wall a fender including spaced openings, the mechanism comprising a movable support, a first arm pivotally attached to the movable support, a first hydraulic cylinder piston rod assembly for pivoting the firs... | 03/17/1987 |
| 4574536 | Roof tile A roof tile is provided with a pair of batten lugs and a pair of stacking lugs protruding from the bottom side thereof. The batten lugs are positioned very close to and taper to the edge at the head end of the tile so that the thickness of the tail end of... | 03/11/1986 |
| 4573292 | Prefabricated, self-contained building By providing a fully equipped, prefabricated, self-contained building, completely constructed with all exterior and interior walls and roof, but having no floor, floor members or floor-supporting members, a unique, prefabricated, preconstructed, self-cont... | 03/04/1986 |
| 4524551 | Construction units for the erection of walls and method of utilization The set of construction units comprises a standard stone, a long stone and a trough stone having a substantially trapezoidal end view, a surrounding groove at the side with the broader base line, on both sides of the surrounding groove a longitudinal slot... | 06/25/1985 |
| 4485608 | Prefabricated, self-contained building and method of construction By providing a fully equipped, prefabricated, self-contained building, completely constructed with all exterior and interior walls and roof, but having no floor, floor members or floor-supporting members, a unique, prefabricated, preconstructed, self-cont... | 12/04/1984 |
| 4297816 | Interlocking construction block An interlocking construction block of thermally insulative material which is of a decorative nature and is capable of being erected without mortar. The block, which may be of construction block size, or of the dimensions of conventional brick, is molded o... | 11/03/1981 |
| 4290246 | Multi-purpose precast concrete panels, and methods of constructing concrete structures employing the same A concrete structure is erected by prefabricating a plurality of comparatively massive like-constructed substantially concrete slabs each of which has an elongated rectangular opening therein and a plurality of bores extending therethrough, transporting t... | 09/22/1981 |
| 4193241 | Masonry block insulating device A device for insulating masonry block comprises an insulating plug member for being inserted into a cinder block space, the plug member having a protruding portion extending outwardly from the block, and a cavity extending inwardly along a side of the plu... | 03/18/1980 |
| 4121390 | Pre-cast units for sewer construction A manhole or a catch basin is built up by stacking a number of pre-cast concrete units. The joints between the units are provided, prior to stacking, with a bead of a non-hardening, semi-liquid, mastic waterproof layer to enable subsequent removal of the ... | 10/24/1978 |
| 4110942 | Window frame manufacture Different sections of frames for windows and the like are made from identical plastic resin tubular bodies which are extruded with a plurality of appendages and shapes each of which serves a specific function in accordance with the intended use thereof, a... | 09/05/1978 |
| 4020610 | Anchor for stone building member A method and apparatus for preparing slabs of material such as granite for transportation and erection. The apparatus includes a cutting bit and means actuating the bit into the face of the slab so as to form an arcuate slot, widest at the bottom, centere... | 05/03/1977 |
