Did You Know...
...that the Band-Aid Bandage was invented by a Johnson & Johnson employee whose wife had cut herself? Earl Dickson's wife was rather accident prone, so he set out to develop a bandage that she could apply without help. He placed a small piece of gauze in the center of a small piece of surgical tape, and what we know today as the Band Aid bandage was born!
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| Number | Title | Issue Date |
| 7704012 | Power roller screed with multiple screed rollers A rotating cylinder cement screeding system having a drive assembly and handle at one end for powering and controlling the screeding system. The rotating cylinder is made of tubular screed rollers of varying lengths allowing a user to customize the length of the sys... | 04/27/2010 |
| 7470083 | Method and apparatus for making a sloped surface An apparatus (10) for creating a sloped surface comprising at least one leveling member (12) and at least one guide member (36) for guiding the at least one leveling member (12). The at least one leveling member (12) changes the sl... | 12/30/2008 |
| 7377719 | Curb and gutter sled with pivoting mold assembly A slipform sled for paving street curbs and gutters has a hopper and a curb and gutter mold. A pivoting mold assembly having a standard curb elevation mold and a driveway curb elevation mold is mounted on the slipform sled. The pivoting mold assembly pivots on a sha... | 05/27/2008 |
| 7357596 | Concrete screed with movable leading edge A floating screed device has an elongated float and an elongated blade movably coupled to the elongated float so that the blade is movable in pitch. ... | 04/15/2008 |
| 7320558 | Apparatus for screeding uncured concrete surfaces A screeding apparatus and method for screeding and smoothing an uncured concrete surface includes a vibrating member and a grade setting device adjustably mounted to said vibrating member. The screeding apparatus may include a wheeled support which at least partiall... | 01/22/2008 |
| 7316524 | Tamping device A tamping device for tamping of asphalt or stone includes a motor being coupled to a drive shaft. The motor rotates the drive shaft when the motor is actuated. A sleeve is coupled to the motor. The drive shaft extends through the sleeve. A transmission housing is co... | 01/08/2008 |
| 7213295 | Trowel assembly A trowel assembly includes a blade plate, a connecting strip fixed on the blade plate and formed with an insertion recess, and a handle mounted on the connecting strip and having a downward extended support post provided with an insertion block inserted into the ins... | 05/08/2007 |
| 7207745 | Device for levelling of poured floors, in particular concrete floor A device for levelling a recently poured floor is disclosed wherein the device substantially comprises a frame with a drive motor, the drive shaft of which stands upright, and a rotor connected to the shaft and having two or more blades which are directed radially r... | 04/24/2007 |
| 7201537 | Concrete screed with vibration isolation A vibratory concrete screed includes a vibration isolation system that minimizes the transmission of vibrations to the operator under normal operating conditions, but becomes more rigid during screed control forces applied to the blade through the isolation system w... | 04/10/2007 |
| 7153058 | Apparatus for finishing concrete A vibratory screed apparatus includes a vibrator, a screed, and a coupler for coupling the vibrator to the screed. The vibratory screed apparatus may be provided as a concrete-finishing kit which is capable of being assembled and disassembled in the field. A number ... | 12/26/2006 |
| 7144194 | Surface finisher The surface finisher is an attachment for an angle grinder or other handheld prime mover that precludes the need to finish uncured concrete or other viscous, semi-fluid materials by hand. The surface finisher is a disk having a series of radially disposed blades ext... | 12/05/2006 |
| 7144193 | Finishing trowel A trowel for finishing the top of concrete stem walls around protruding anchor bolts has a finishing surface in the form of a blade or block attached to a handle. An opening in the form of a notch or a hole is provided in the blade or block for accommodating an anch... | 12/05/2006 |
| 7138015 | Apparatus for the spreading of adhesive material An apparatus for the application of adhesive material, for use in the laying of flooring and roofing surfaces, comprising a frame, to which are attached a plurality of wheels, an angularly extending handle arrangement and a trowel blade whose height above a sub-floo... | 11/21/2006 |
| 7121762 | Apparatus for screeding uncured concrete surfaces A screeding apparatus for screeding and smoothing an uncured concrete surface includes a vibrating member and a grade setting device adjustably mounted to said vibrating member. The screeding apparatus may include a wheeled support which at least partially supports ... | 10/17/2006 |
| 7108451 | Rotating concrete finishing trowel A rotary cement or concrete finishing trowel has an operating head at one end of the apparatus that includes at least one cement finishing blade rotatably mounted for movement in a horizontal plane for smoothing a concrete floor surface. A drive motor, e.g., a 2-cyc... | 09/19/2006 |
| 7104725 | Concrete finishing attachment A concrete finishing attachment for final finishing or troweling of concrete using a portable hand power tool, such as an angle grinder, comprised of a central hub formed into a frustrum shape with a hole located centrally for registration with the spindle or arbor ... | 09/12/2006 |
| 7070358 | Comb gate and method of use An apparatus for applying a traffic stripe to a surface comprising a comb gate for permitting compound to be released from a tractive box through a comb for a contoured or profiled traffic stripe and a base gate for compound to be released for a standard or flat tra... | 07/04/2006 |
| 7052204 | Portable vibratory screed with vibration restraint A portable vibratory screed machine is provided with a vibration restraint operable to reduce undesirable vibration of the engine and to extend the life of the engine. The portable vibratory screed machine includes a machine frame having a reference structure. The m... | 05/30/2006 |
| 7044682 | Mechanical pitch control A concrete finishing machine having a rotatable trowel blade assembly and a mechanism for controllably adjusting the pitch of the trowel blades relative to a wet concrete surface on which the blades rest. The machine's engine's drive shaft rotation itself is utilize... | 05/16/2006 |
| 7017739 | Locking trowel covers Plastering/cement trowels have sharp edges which can cut a worker when he places the trowel down in a resting position. The present invention provides a plastic sheath to insert the trowel into during the resting mode of use. This sheath also prevents nicks and dent... | 03/28/2006 |
| 7018132 | Rotating concrete finishing trowel A rotary cement or concrete finishing trowel has an operating head at one end of the apparatus that includes at least one cement finishing blade rotatably mounted for movement in a horizontal plane for smoothing a concrete floor surface. A drive motor, e.g., a 2-cyc... | 03/28/2006 |
| 7010828 | Tri-joint groover A tri-joint groover or trowel assembly for finishing a concrete surface includes an elongate handle, a base member and a connector assembly for selectively connecting the handle to the base member. The base member has opposed edge portions and a centrally disposed l... | 03/14/2006 |
| 7000361 | Method of creating a concrete paved area A method of providing a paved area having a predetermined set of surface features. The method begins with the pouring of wet concrete into a predetermined area. Then a predetermined thickness of the wet concrete is removed in a predetermined portion of the predeterm... | 02/21/2006 |
| 6988851 | Concrete screed with vibration isolation A vibratory concrete screed includes a vibration isolation system that minimizes the transmission of vibrations to the operator under normal operating conditions, but becomes more rigid during screed control forces applied to the blade through the isolation system w... | 01/24/2006 |
| 6976805 | Light weight apparatus for screeding and vibrating uncured concrete surfaces A lightweight screeding apparatus for screeding and smoothing an uncured concrete surface includes a concrete surface working member, such as vibrating beam or member, and a grade setting device adjustably mounted to said vibrating beam. The screeding apparatus may ... | 12/20/2005 |
| 6953304 | Lightweight apparatus for screeding and vibrating uncured concrete surfaces A lightweight screeding apparatus for screeding and smoothing an uncured concrete surface includes a concrete surface working member, such as vibrating beam or member, and a grade setting device adjustably mounted to said vibrating beam. The screeding apparatus may ... | 10/11/2005 |
| 6923595 | Vibrating tamping bull-float A vibrating tamping bull-float is used for smoothing the top surface of freshly poured concrete, while pushing coarse aggregate down into the concrete while allowing cement cream to surface. Additionally it levels the concrete in the area surrounding the vibrating t... | 08/02/2005 |
| 6863470 | Curb forming apparatus and methods A device for receiving and pushing hardenable material through a channel defined by a mold of the device to form a curb having an outer surface, and an attached steering assembly consisting of a steering arm coupling wheel supports attached to the device, and adjust... | 03/08/2005 |
| 6827523 | Concrete float adjusting device A concrete float adjusting device is disclosed which enables a user to adjust the angle of a float coupled to the adjusting device so that the float does not gouge into the unset surface of freshly poured concrete. The adjusting device includes a base coupled to the... | 12/07/2004 |
| 6705799 | Hydraulic powered screed This invention relates to a vibrating screed for compacting and smoothing flowable cementitious materials. More specifically, this invention relates to a self-contained hydraulic powered concrete screed. This hydraulic screed consists of a relatively lightweight scr... | 03/16/2004 |
| 6695531 | Concrete slumping implement The combination of a hand held mounting mechanism having an elongated tubular member containing a rotating shaft, where the elongated tubular member includes a cone-shaped bracket at a free end thereof, and a concrete slumping implement. Several embodimen... | 02/24/2004 |
| 6679652 | Concrete finishing tool A concrete finishing tool includes a float and texturing brush installed upon the distal end of an elongate handle. The float and handle connection may include a mechanism for adjusting the plane of the float relative to the handle axis, if desired. A pai... | 01/20/2004 |
| 6550214 | Concrete smoothing device A concrete smoothing device including a plate portion having an upper surface and a lower surface. The lower surface is planar for positioning on freshly poured concrete. The upper surface has a reinforcement brace secured centrally thereon. A swivel brac... | 04/22/2003 |
| 6488442 | Concrete leveling device A device that allows a user to spread and level concrete in a standing position includes a beam formed of a pair of beam segments, each having an inboard end that may be removably joined to the inboard end of the opposing beam member at select locations t... | 12/03/2002 |
| 6139217 | Concrete finishing tool A concrete finishing tool comprising an elongated handle in a cylindrical configuration having an upper portion and a lower portion and an intermediate portion there between, the upper portion having a lower end and an upper end with the upper portion con... | 10/31/2000 |
| 6053659 | Inlaid brick walkway bed leveler An inlaid brick walkway bed leveler consisting of a handle affixed to a rakehead with the handle being supported by a pair of equivalent mediolateral struts attached to the handle and the rakehead, a brace serving to support the struts, a straight bottom ... | 04/25/2000 |
| 5984571 | Vibrating screed A vibrating screed is provided which permits selective adjustment of the angle between the axis of a rotatable eccentric and the plane defined by the bottom of the screed plate to vary the relative vertical compaction and horizontal smoothing oscillation ... | 11/16/1999 |
| 5980154 | Manual screeding system A manual screeding system for use in leveling freshly poured concrete which includes a frame for providing structural integrity to the screed. The screeding system includes handles, attached to the frame, for manually holding and manipulating the screedin... | 11/09/1999 |
| 5906455 | Concrete finishing device for steps A concrete finishing device for steps including a trowel blade and an adjustable gauge coupled with respect to the trowel blade. The adjustable gauge can be adjusted to correspond with the width of a form riser on concrete steps to allow the concrete pour... | 05/25/1999 |
| 5807022 | Combination mortar and grout spreading device An adjustable, combination floor tile mortar and grout spreading device for applying bonding material at a predetermined thickness in a straight-combed manner, and for spreading grout between floor tiles. The device comprises a telescopically adjustable r... | 09/15/1998 |
