Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7588523 | Seam roller and tester for roofing membrane A hand tool for press-welding and sealing overlapping edges of roofing membrane sheets by a roller mounted on one end of a handle. A rigid rod extends outwardly from an opposite end of the handle and has a curved section and a rounded corner which terminates in an a... | 09/15/2009 |
| 7404228 | Paint roller frame A yoke type paint roller frame having a pair of arms joined at one end and each one terminating at the opposite end on which a roller of selected length can be journalled. A cross bar is connected to respective ones of the pair of arms at a preselected location ther... | 07/29/2008 |
| 7389560 | Remotely actuated paint roller cover dispensing frame The invention disclosed herein provides a system, apparatus and method for removing a paint roller cover from a paint roller frame. The paint roller frame includes a handle having a movable button, a hollow support shaft, a roller support pivotally attached to the h... | 06/24/2008 |
| 7381489 | PEM fuel cell with high porosity hydrophilic water transport plates and temperature increase before shutdown in environment which may reach subfreezing temperatures A fuel cell stack (50) includes fuel cells (16, 18, 19) with anode and cathode water transport plates (23, 31, 34, 37) having porosity of at least 50%, thereby to significantly increase the amount of water stored within the water transport plate... | 06/03/2008 |
| 7347645 | Concrete stamping apparatus A concrete stamping apparatus includes a roller with a stamp forming its surface, and a receiving portion for rotatably holding the roller. There is also a system for delivering fluid to release the roller from the surface on which it operates by spraying fluid onto... | 03/25/2008 |
| 7325582 | Drywall bazooka for application of flexible corner bead A drywall tool for dispensing flexible trim material such as FLEXTRIM and ULTRALITE products, or any other flexible trim material, containing a head attached to an elongated handle, a drive wheel attached to the head for pulling the trim material from a roll, at lea... | 02/05/2008 |
| 7305732 | Paint roller with shield A paint roller sleeve includes an inner tube, an outer pile surface, an end cap, a circular disk shaped shield disposed between the end cap and the inner tube, and a foam disk disposed between the shield and the pile surface. ... | 12/11/2007 |
| 7293319 | Paint roller frame An improved paint roller frame made from a single length of rod having a first 90 degree bend delimiting a first segment formed at one end thereof and adapted to form an axle about which a paint roller can be rotatably mounted, and second and third bends delimiting ... | 11/13/2007 |
| 7281291 | Paint roller tool for corners A paint roller tool includes first and second paint rollers, mounted to extend from shaft portions of a frame and to turn about axes of rotation perpendicular to one another. Each of the paint rollers includes a peripheral cylindrical surface and a distal end covere... | 10/16/2007 |
| 7281292 | Combination paint roller frame and scraper The combination paint roller frame and scraper allows a painter to accomplish two tasks with a single tool and includes a paint roller frame, an elongated scraper member, and a hinge or pivot mechanism attaching the scraper to the paint roller frame. The paint rolle... | 10/16/2007 |
| 7216394 | Paint roller frame and apparatus An improved paint roller frame made from a single length of rod having a first 90 degree bend delimiting a first segment formed at one end thereof and adapted to form an axel about which a paint roller can be rotatably mounted, and second and third bends delimiting ... | 05/15/2007 |
| 7213294 | Paint applicator A paint applicator includes a paint roller having a pivotally adjustable handle. ... | 05/08/2007 |
| 7186207 | Roller construction for detritus removal A detritus removal roller construction particularly suited for a lint roller is disclosed having an elongated strip with a backing layer and an adhesive layer overlying one side of the backing layer. The strip has a first end, a second end and two spaced apart sides... | 03/06/2007 |
| 7178306 | Single ply roofing systems and methods of constructing them A single ply flexible membrane roofing system secured to a roof deck has a first membrane secured to the roof deck by fasteners. The membrane system includes a second membrane with an edge portion overlapping the first membrane edge which can be “factory” weld-b... | 02/20/2007 |
| 7174597 | Paint roller assembly A paint roller assembly, including a handle having an axially extending portion for mounting a roller; one end of the axially extending portion having an engagement member; and an end piece engaging the engagement member to hold the roller in place on the axially ex... | 02/13/2007 |
| 7162768 | Enlarged paint roller An enlarged paint roller assembly comprises a curved yoke with a central recess for connection to a handle with frame portions extending at a downward slope from the recess on both sides thereof. The frame portions include downwardly extending end arms which include... | 01/16/2007 |
| 7140804 | Concrete stamping apparatus A concrete stamping apparatus includes a roller with a stamp forming its surface, and a receiving portion for rotatably holding the roller. There is also a system for delivering fluid to the roller along its surface, such that it releases easily from the concrete. T... | 11/28/2006 |
| 7120963 | Paint roller mounting assembly A unique paint roller mounting assembly, adapted for receiving a shaft of a small diameter paint roller handle which comprises an outer cylinder, upon which the paint roller is mounted and an end piece which is inserted into the outer cylinder. The end piece has a f... | 10/17/2006 |
| 7111879 | Latch assembly for movable closure element A latch assembly kit including a latching subassembly for mounting upon a movable closure element, an actuating assembly, a first elongate graspable handle, and a second elongate graspable handle. The latching subassembly has a latched state, wherein the latching su... | 09/26/2006 |
| 7090421 | Applicator assembly for coating fasteners A coating applicator assembly is disclosed for coating fasteners ends protruding from a surface of a structure, the fasteners extending a specific distance above the surface. In detail, the applicator assembly includes a handle. A coating member made from open celle... | 08/15/2006 |
| 7080955 | Concrete stamping apparatus A concrete stamping apparatus includes a roller with a stamp forming its surface, and a receiving portion for rotatably holding the roller. There is also a system for delivering fluid to the release the roller from the surface on which it operates by spraying fluid ... | 07/25/2006 |
| 7052450 | Silicone rolling pin A rolling pin including a core, a silicone-containing jacket over the core defining a rolling surface. The jacket may be of such length and so positioned on the core as to define end regions of the jacket extending beyond the ends of the core; the jacket end regions... | 05/30/2006 |
| 7047587 | Lint roller holder assembly A lint roller holder assembly having a lint roller support with an outer cylindrical surface. The lint roller support is dimensioned so that a tubular and cylindrical lint roller may be rotatably supported around the outer surface of the lint roller support. An elon... | 05/23/2006 |
| 7043793 | Adjustable frame for holding paint roller An adjustable frame for holding a paint roller includes a pair of square arms. Each of the pair of square arms includes a distal part, a joint part, a pair of shafts at the ends of the distal parts, and a pair of racks that are opposite to each other and are respect... | 05/16/2006 |
| 7039982 | Lint roller/brush assembly A lint/pet hair roller assembly includes a body supporting a tubular adhesive lint remover roller and/or a stationary directional lint brush fabric. The assembly includes a handle section and a roller support section. The support section has an outer diameter less t... | 05/09/2006 |
| 7028365 | Paint roller support Embodiments of a paint roller support for rotatably supporting a conventional paint roller cover are disclosed. In one embodiment, a paint roller support comprises a frame having an elongated shaft and at least one hub rotatably coupled to the shaft for supporting a... | 04/18/2006 |
| 7007337 | Paint roller assembly A paint roller assembly has a lower frame and an upper frame. A spring connection assembly connects the upper frame to the lower frame to permit the upper frame structure to pivot or flex with respect to the lower frame. The upper frame and the lower frame are each ... | 03/07/2006 |
| 6973696 | Multi-roller applicator for painting A multi-roller applicator for the application of paint having a handle member and a frame member, the frame member having secured thereto in parallel relationship, a pair of spaced apart axles for the receipt of a frame core member and paint absorbing sleeve member ... | 12/13/2005 |
| 6957470 | Multiple-roller corner painting tool Disclosed herein is a corner painting tool, typically comprising at least four replaceable rollers pivotally attached to a handle, that provides for the painting of the two adjoining surfaces forming a typical 90° interior corner in an even and efficient manner. Ea... | 10/25/2005 |
| 6941609 | Paint roller assembly The present invention provides a roller assembly including a roller support coupled to a handle assembly. The roller support includes a detent releasably engageable with a roller cover. An actuator is coupled to the handle assembly for movement between a neutral pos... | 09/13/2005 |
| 6941632 | Conformal transverse hat profile roller There is provided a variable pressure roller system for installing a preform having contact surfaces onto a configuration of a mold surface by applying pressure thereon. The roller system of the present invention comprises a roller carriage. A grasping handle may be... | 09/13/2005 |
| 6928689 | Roller cage assembly A roller cage assembly for use with a support rod is described. The roller cage assembly has a roller sleeve, a pair of end hub members, and a tube for use with a support rod. Each end hub member has an inner hub, an outer hub, a cavity, and a keeper. Each cavity re... | 08/16/2005 |
| 6922866 | Paint roller A paint roller (10) has a paint applicator (12), two holder mounts an applicator holder (14). The paint applicator (12) has a cylindrical outer surface and two opposite ends (18a,18b). The two holder mounts, re... | 08/02/2005 |
| 6875162 | Stand-up roller apparatus Stand-up roller apparatus (20) for applying a uniform pressure to roofing membranes during installation on roofs according to the present invention comprises an elongated handle (21); a bracket (22) carried at one end of the handle; a roller ass... | 04/05/2005 |
| 6871376 | Paint roller A paint roller having a stretchable cylindrical paint sock, which is pulled over both ends of an outer roller tube and attached by screw-cap means, with the outer end being stretched over a swivel end-cap capable of providing a roller end angle up to about 30-degree... | 03/29/2005 |
| 6851155 | Roller cage assembly with fixed roller sleeve A roller cage assembly provides a support for a roller sleeve and consisting of a primary and secondary hub. The inner surface of the primary hub and the inner surface of the secondary hub provides a compression fitting so that a longitudinal tube pressed into the c... | 02/08/2005 |
| 6721988 | Modular paint roller A paint roller having modular, rebuildable sections including a hollow tubular handle terminating in a cylindrical end connected to an offset midsection and a roller spindle rod. The offset midsection includes a pair of clamps at opposed ends. The first clamp includ... | 04/20/2004 |
| 6702727 | Multi-position paint roller A paint roller apparatus for use with a tubular paint applicator including a shaft, a tube-receiving frame, a handle, and a connector. The shaft defines a first end and a second end. The tube-receiving frame is rotatably attached to the second end of the ... | 03/09/2004 |
| 6688367 | Extendable interior ceiling finishing tool An apparatus is provide that aids in the finishing of ceilings. The tool provides for the rolling on of cement or other similar finishes and then an integral knife blade smoothes over the finished surface. Such an invention prevents the user from using mu... | 02/10/2004 |
| 6685609 | Carpet seaming pool One carpet seaming tool has an elongate, generally straight handle having on one end thereof a U-shaped bracket having spaced, parallel legs. Secured intermediate its ends in a pair of registering openings in the legs of the bracket is an elongate shaft h... | 02/03/2004 |
