In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 8024835 | Tools for treatment of a substance on a surface A method and tools operative for treatment of a substance in association with a surface of an object or body have a first treatment tool and a second backing tool. The treatment tool has a rigid retention portion and a treatment portion, and is manufactured as a sin... | 09/27/2011 |
| 7891041 | Device for applying a uniform coating of floor finish A device that can be used to spread a thin, even coating of liquid material on a surface is provided. In one embodiment the device is adapted to be used to apply floor coating on a floor surface. The device is configured such that the applicator portion of the devic... | 02/22/2011 |
| 7752703 | Articulated apparatus flat blade hand tool The present invention is a type of hand tool apparatus for use as a trowel, scrapper, spatula and others. The tool comprises a handle, to which a plate member is securely coupled. A blade member is securely attached to the plate member; the blade member having oppos... | 07/13/2010 |
| 7647668 | Drywall tool resulting in flat even joint A method and a drywall tool for making flat and even joints for the construction industry are disclosed. This innovative hand tool for making flat even joints includes a central section that is a cut out notch allowing for an extruded amount of drywall compound that... | 01/19/2010 |
| 7506399 | Spreader for floor dressing material A floor dressing spreader includes an elongated handle and an elongated back-up plate. The elongated handle is secured to the back-up plate and extends generally upwardly therefrom. Front and rear attachment plates are disposed adjacent lower portions of the back-up... | 03/24/2009 |
| 7464432 | Weighted trowel with elongated handle Several embodiments of trowels which have an elongated handle and a pair of generally facing weights or a weight or weights and a connector between which a pair of blades are secured with one blade being of lesser height than the other to thereby resist undesired fl... | 12/16/2008 |
| 7363678 | Water wiping apparatus and method for removing standing water from flat and contoured surfaces A water-wiping apparatus for wiping standing water from a curved surface has a flexible panel of a first height, with an upper long edge and a lower long edge, a soft, flexible handle attached along the upper long edge, and a lip formed along the lower edge, extendi... | 04/29/2008 |
| 7331081 | Trowel blade A trowel blade includes a pre-finished, hardened and tempered blade having at least two apertures formed therethrough. Each aperture has a cross section tapering from a larger opening in a bottom of the blade to a smaller opening in a top of the blade. At least two ... | 02/19/2008 |
| 7331619 | Latch-spring assembly for enclosures A latch-spring assembly has a handle with prongs extending from a finger-grip portion. One prong has a circumferential groove. A leaf spring has an anchor portion for attachment to a subassembly wall and a spring portion flexibly coupled to the anchor portion. The s... | 02/19/2008 |
| 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 |
| 7305731 | Carpet brush for hair removal A fabric brush comprising a brush head having a top portion and a bottom portion. The bottom portion of the brush head has a plurality of projections extending downwardly therefrom. The plurality of projections comprise at least one row of aligned projections having... | 12/11/2007 |
| 7213296 | Spreading apparatus for flowable materials and spreader pad therefor A spreading apparatus is provided for spreading flowable materials such as adhesives and/or sealants on a surface such as a floor and/or a wall. The apparatus has a pad retainer for retaining a removable spreader pad and a reservoir chamber for flowable material piv... | 05/08/2007 |
| 7185388 | Power wave floor squeegee and handle connector One embodiment of the improved squeegee has a front deflector bar, and a plurality of material folding devices that are oriented and positioned on the front deflector bar such that the material encountering the front deflector bar is folded back onto material not ye... | 03/06/2007 |
| 7185385 | Lotion applicator device A device for applying lotion to the human body, the device comprising a handle including a gripping end and a blade member attached at an obtuse angle to the handle and tapered at its edges to which lotion is applied. The blade member is made of a pliable, absorptio... | 03/06/2007 |
| 7174599 | Ergonomic shielding tool for processing a surface The invention is a one-piece ergonomic shielding tool that can be held in one hand to define a boundary against which a surface is processed on one side and protected from processing steps on the opposite side. The invention achieves this utility by providing a hand... | 02/13/2007 |
| 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 |
| 7115172 | Method and apparatus for plaster burnishing tool An Advanced Burnishing Tool for burnishing Venetian plaster surfaces comprises a base with a working surface with a plurality of concentric ribs. The tool may be used manually or may be mounted on a power tool such as an oscillating sander. Each rib has a rounded up... | 10/03/2006 |
| 7104434 | Screen printing squeegee for applying solder paste Apparatus and methods for applying solder paste to circuits, such as integrated circuits, are disclosed. The apparatus and methods comprise a squeegee blade having a pair of elongated face sides spaced apart by a selected thickness and a corresponding pair of elonga... | 09/12/2006 |
| 7069615 | Squeegee device and system A toothbrush is disclosed that includes and applicator head and a handle coupled to the applicator head for manipulating the applicator head while cleaning teeth and gums. The applicator head includes a curved squeegee element and bristles that surround elongated wa... | 07/04/2006 |
| 7051394 | Dentition cleaning device and system An electric toothbrush is disclosed that includes and applicator head and a motorized handle coupled to the applicator head for moving the applicator head while cleaning teeth and gums. The applicator head includes a curved squeegee element and bristles that surroun... | 05/30/2006 |
| 7048530 | Device for applying thin layers of a powder or pulverulent material and corresponding method A device for applying a thin layer of a powder on a support means (14) includes a device (12) for storing the powder, a screed (30) that includes a shoe (36) with a working surface, as well as a device (28) for guiding in translati... | 05/23/2006 |
| 7047589 | Dentition cleaning device and system An oral-care device with a power cleaning head is disclosed. The power cleaning head comprises squeegee wiping elements or squeegee wiping elements and bristles. The power cleaning head is configured to rotate, oscillate, vibrate or otherwise move while cleaning tee... | 05/23/2006 |
| 7028366 | Angular notched trowel An angular notched trowel applies a bonding material uniformly to a substrate. The angular notched trowel contains: (a) a top plate; (b) a notched plate connected along and descending from the trailing edge of the top plate; (c) a handle connected to the upper surfa... | 04/18/2006 |
| 7013524 | Grill cleaning claw A grill cleaning apparatus is provided for scraping to the grooves of grill broiler plates to remove unwanted matter comprising of an elongated body having a handle portion at one end and a scraper portion at the other end, with a claw extending outward from the scr... | 03/21/2006 |
| 7000564 | Icing sculptor A tool used to sculpt the icing on a baked good. The tool includes a handle having opposing inner sides with a channel formed in at least one inner side. The inner sides of the handle define a cavity therebetween. The tool also includes at least one blade with a pro... | 02/21/2006 |
| 6981293 | Personal hygiene accessory A device for providing self-assisting hygienic activity to individuals of limited dexterity, the device including an elongated body constructed of first and second telescoping portions and terminating at a first end in an ergonomically configured handle. A hygienic ... | 01/03/2006 |
| 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 |
| 6944903 | Dentition cleaning device and system An applicator with squeegee configurations is disclosed. The applicator has a removable cover. In accordance with the embodiments of the invention, the removable cover is sealed through a squeegee edge using a suitable adhesive. The removable cover can be formed fro... | 09/20/2005 |
| 6931690 | Spring-biased pivoting squeegee A spring-biased pivoting squeegee 10 provides a head 12 pivotally attached to a handle 16. The head 12 is movable between a rest position, in which the head 12 is angularly displaced from the handle 16, and a biased position... | 08/23/2005 |
| 6880198 | Adjoining surface device for working viscous materials A device is provided for applying and/or finishing viscous materials along at least one adjoining surface or a bead along a corner, while simultaneously effecting all of the surfaces substantially free of any excess of the viscous material. The device includes a rei... | 04/19/2005 |
| 6834411 | Shower squeegee A squeegee assembly is described including a handle connected to a blade. The handle defines a hole for hanging the squeegee from a hook and undulations suitable for enhancing the grip. The blade defines a hole and an edge. The blade hole is configured and dimension... | 12/28/2004 |
| 6742215 | Ergonomic drywall knife A drywall knife having a handle and a blade securely mounted thereon. The handle includes an elongated inner core having a longitudinal axis, a transverse axis, a front end, a rear end and first and second opposite surfaces extending from the rear end to the front e... | 06/01/2004 |
| 6729088 | Positioning jig for installing molding A jig adapted for easily positioning, properly orienting and installing a molding. The jig includes a body having a positioning portion configured to receive a molding. The body also includes a first positioning margin and a second positioning margin each emanating ... | 05/04/2004 |
| 6647629 | Hand tool handle A handle tool handle has two interlocking first and second hollow molded plastic parts. The first part is formed with a peripheral lip. The second part is formed with transversely disposed peripheral surfaces inwardly disposed of the peripheral lip. Each ... | 11/18/2003 |
| 6606758 | Serrated hand tool for plaster application over a surface joint A method and a serrated hand tool for construction are disclosed. A novel hand tool for plaster application over a taped surface joined includes a blade having a central section and two serrated side sections. The central section contains a cutout with a ... | 08/19/2003 |
| 6604256 | Grout float assembly A grout float, including a blade and a pair of core sections defining a handle. Interlocking male tapered bosses and female tapered receptacles join the core sections. Tapered tongues on the core sections pass through openings in upstanding flanges on the... | 08/12/2003 |
| 6581236 | Substance spreading implement The invention is concerned with an implement for spreading a powdery cleaning material on surfaces that have been contaminated with fluids dropping from vehicular traffic. The powdery material needs to be evenly spread over the contaminated surfaces while... | 06/24/2003 |
| 6453563 | Hand tool handle A hand tool handle has two interlocking first and second hollow molded plastic parts. The first part is formed with a peripheral lip. The second part is formed with transversely disposed peripheral surfaces inwardly disposed of the peripheral lip. Each ha... | 09/24/2002 |