In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8176640 | Media cutting device The present invention pertains to a device for cutting media, such as paper, cardboard, and metal foils. The device has a body that includes a sidewall extending from the body. The device has means for cutting the media disposed in the body. The means for cutting th... | 05/15/2012 |
| 8171647 | Cutting device with actuating mechansim A device for cutting media is provided. The device includes a cover having a sidewall extending therefrom; a guide disposed substantially beneath the cover and comprising a blade; an actuating mechanism disposed in at least one of the cover and the guide; and an act... | 05/08/2012 |
| 8006390 | Media cutting and ribbon curling device A media cutting and ribbon curling device has opposing first and second surfaces bound by two side edges. The device includes a head comprising a cover and a guide disposed underneath the cover, the guide having an attached end and a free end and a blade disposed th... | 08/30/2011 |
| 7891100 | System for opening an article encasement A system for opening encased articles has a cutting apparatus that includes a channel formed from spaced-apart parallel walls. A cutting member having a cutting edge extends from one wall into the channel. A protrusion disposed in the channel at least partially over... | 02/22/2011 |
| 7866049 | Universal blister pack opener A hand tool for removing individual items contained in a blister package having an upper surface with raised protrusions with a given individual width containing each item and a lower sheet that holds the items within the protrusions. The hand tool includes a cuttin... | 01/11/2011 |
| 7818885 | Device for performing surgery A scalpel for performing complex surgeries, such as c-sections, is formed of a body that is preferably elongated and shaped and sized to fit ergonomically into the hands of surgeons. The body has surfaces that are joined to each other by smooth transition elements t... | 10/26/2010 |
| 7730620 | Plastic package opener A plastic package opener having a body with a generally âVâ shaped configured is formed from a memory retention material, by angled first and second legs held together by a portion of material. A sharp edge or blade member is held to an interior surface of one o... | 06/08/2010 |
| 7716841 | Removing tool for car-window edge strips A removing tool for car-window edge strips includes a grip, a linking rod, a protective disc and a tool set. The protective disc is positioned between the grip and the linking rod, and the linking rod has a flat insert groove diametrically formed vertically for the ... | 05/18/2010 |
| 7624507 | Hand-held cutting device This invention relates to a hand held cutting device comprising a handle (62), a cutting head (63), a cutting element (4) attached to the cutting head (63), and a guiding and supporting element (2) extending from the cutting head (... | 12/01/2009 |
| 7404351 | Fiberglass insulation batt sizing device An insulation batt sizing device including an oblongated insulation cutting table having a proximal end, a distal end, and having a pair of longitudinally extending edges; an oblongated insulation compression plate having a proximal end, a distal end, and having at ... | 07/29/2008 |
| 7401408 | Wire cutting/tying tool A tool includes a wooden handle that has a curvilinear outer surface extending along an entire length thereof. The handle has a centrally registered axial bore formed therein that travels between distal and proximal ends of the handle such that the bore passes throu... | 07/22/2008 |
| 7367876 | Shellfish tool A cutting tool for cutting the outer shells of shellfish such as crabs, shrimp, and the like. The tool includes an elongated handle and one or more longitudinally-outwardly-extending ends that include V-shaped openings. The openings include inner, angularly-opposed ... | 05/06/2008 |
| 7356932 | Carpet trimmer A carpet trimmer including a base, a pair of posts mounted on said base and a handle mounted on said base. A number of spacers are inserted over the posts and secured by fasteners. A blade holder holding a pair of blades and including a blade holding face and a wall... | 04/15/2008 |
| 7356928 | Utility knife with safety guard having reduced play A utility knife has a protective guard that moves from a locked position to an unlocked position. Preferred mechanisms utilize a pawl that cooperates with a stop to reduce movement of the guard while the guard is in a locked position, and a simple latching mechanism... | 04/15/2008 |
| 7353762 | Cordless stitch removing device The present invention provides a cordless device for removing a single layer of stitches from a fabric. The cordless device comprising a body having a top end and a bottom end. At the top end of the body is a blade having a plurality of upper teeth and a plurality o... | 04/08/2008 |
| 7322108 | Hair cutting device A hand-held dressing device has a blade with a sharpened cutting edge. The blade is preferably V- or U-shaped and permanently or removably supported by the limbs of a Y-shaped body with an extending hand group. The blade may be made from a single piece or form multi... | 01/29/2008 |
| 7316070 | Self-retracting utility knife A utility knife includes a housing and a blade carrier movably mounted to the housing. The blade carrier includes a blade supporting surface for supporting a blade, wherein the blade carrier is movable between a retracted position with at least a substantial portion... | 01/08/2008 |
| 7308763 | Sealant cutting tool with quick release, repositionable blade A sealant cutting tool including a handle defining a blade slot. Also included is a clamping bolt having a clamp axis transverse the blade slot, which clamping bolt is threadably engaged with the handle. In addition, a âTâ pull is operatively associated with the... | 12/18/2007 |
| 7287329 | Sheetrock panel cutting device A device for cutting a sheet rock panel. A base plate has a through slot that receives a blade of a conventional utility knife and a free end right angle metal end clip of conventional tape ruler and a blind slot that receives the conventional tape ruler. A clamping... | 10/30/2007 |
| 7266854 | Gypsum board cutting tool A combined tool includes a cutting tool that has a housing including a pair of conjoined shells. Each shell has a U-shaped notch formed at a distal end thereof that form a rectangular opening when the shells are abutted. Each shell has an interior groove formed ther... | 09/11/2007 |
| 7263776 | Fruit and vegetable seed removing device A fruit seed removing device includes a body, a sleeve, a button, a positioning block, a toggle, a pull rod, a connecting block and a knife. By pulling a hand of a pull rod, the pull rod will drive the knife to move inwards or expand outwards. Then the button is rot... | 09/04/2007 |
| 7264626 | Blood vessel knife A blood vessel knife allows a doctor to easily see a knife main body when holding it for surgical operation. In a blood vessel knife having a cutter holder at a tip portion of a rod-shaped grip, and a knife main body attached to a tip of the cutter holder, at least ... | 09/04/2007 |
| 7228631 | Contouring shave The invention is directed to a hand tool for cutting shavings from the surface of a workpiece of wood (or other workable material) to shape and make smooth any three-dimensional surface having concave, flat, and/or convex contours. The thickness of the shavings is m... | 06/12/2007 |
| 7200939 | Device for ripping gum of conveyor belt The aim of the present invention is to split a rubber portion of conveyer belt positioned between each steel cords embedded in the rubber portion of conveyer belt so as to separate the steel cords, and completely and efficiently cut the rubber portion off from the s... | 04/10/2007 |
| 7185435 | Utility knife with dual blades A utility knife that includes a pair of blades mounted on a blade holder. One blade is to be extendable from the housing of the utility knife adjacent the fore end of the utility knife with the other blade to be extendable from the housing to be usable for adjacent ... | 03/06/2007 |
| 7181848 | Multiple use rotary cutting device A multiple use rotary cutting device having an accessory cutting mechanism for use with prepackaged food products such as pizza. The rotary cutting device provides multiple functions which enhance the convenience of use. The device further minimizes the quantity of ... | 02/27/2007 |
| 7178246 | Wallboard cutting tool A cutting assembly is slidably mounted on a T-Square. The T-Square may include a scale having multiple indicia for measured cutting based on the size of the wallboard sheet being cut. The cutting assembly is mounted on a slider which may be clamped at measured posit... | 02/20/2007 |
| 7159713 | Sharp blade protection device A sharps blade protection device is disclosed that adapts to currently used scalpel handles but uniquely is also usable with other existing styles of sharps including kitchen and hobby knives. This invention is adaptable over a broad range of sharps devices enabling... | 01/09/2007 |
| 7156231 | Sharp blade protection device A sharps blade protection device is disclosed that adapts to currently used scalpel handles but uniquely is also usable with other existing styles of sharps including kitchen and hobby knives. This invention is adaptable over a broad range of sharps devices enabling... | 01/02/2007 |
| 7150102 | Push-pull stripper-scraper In a preferred embodiment, the push-pull stripper-scraper comprises a single stripping blade and a quadruple-edged scraping blade. The stripping blade accommodates a sliding carrier plate which incorporates guide channels for sliding along the stripping blade. The c... | 12/19/2006 |
| 7140110 | Folding knife having a locking mechanism A folding knife is disclosed. The knife includes a handle; a blade having a tang pivotably connected to the handle allowing pivoting of the blade between a closed position in which the blade extends along the handle, and an open position in which the blade extends a... | 11/28/2006 |
| 7080457 | Spring assisted folding knife A folding knife includes a blade cavity defined by two liner plates into which a pivotal blade may reside. The blade, which is pivotally attached to liner plates at a pivot point, includes a tang having a recess that is parallel to the sides of the blade. A rod is p... | 07/25/2006 |
| 7073264 | Bag slitting apparatus A bag slitting apparatus for opening a sealed bag along an edge of the bag. The apparatus has a first arm having first outer and inner surfaces, and a second arm having second outer and inner surfaces. The arms are in tensioned movable opposed relationship to each o... | 07/11/2006 |
| 7062858 | Hand tool and knife for deburring A hand tool for deburring is provided, as well as a cutting blade to be inserted into the tool, the tool comprising a housing, and a rotatable holding device, the holding device being positioned in and being rotatable in the housing and having a chamber for releasab... | 06/20/2006 |
| 7055407 | Soft handle non-retractable utility knife with quick release latch and method for making same A metallic housing utility knife and method for making the device with a soft over molded elastomeric cover to provide blister free comfort and slip proof safety. The cover or skin is molded into the unique structure of the housing in a fashion that results in mecha... | 06/06/2006 |
| 7013569 | Cutting tool with curved distal portion and associated methods A cutting tool includes an elongate handle to be grasped by a user, and an elongate blade connected to the elongate handle. The elongate blade includes a substantially linear proximal portion extending longitudinally outwardly from an end of the handle, and a curved... | 03/21/2006 |
| 7011003 | Fork with tine protector guard and method A large kitchen or barbecue fork and protector for preventing injuries from sharp tines of the fork and preventing food contamination from bacteria and dirt on the tines. The guard is movable on a shank of the fork from a covering relationship with the sharp pointed... | 03/14/2006 |
| 7007391 | Dual containment tubing cutter The present invention is a C-shaped plastic tubing cutter having a C-shaped grasping portion and a fixed cutting blade. The grasping portion has an opening for receiving the tubing whereby the width of the opening is measurably smaller than the diameter of the tubin... | 03/07/2006 |
| 7003884 | Cutting tool A cutting tool includes a housing having a first end with a first edge and a second end. A handle extends from the second end of the housing. The housing has a slideable blade with a cutting position and a retracted position inside the housing. A finger portion is c... | 02/28/2006 |
| 6971178 | Replaceable blade knife A utility knife includes a handle assembly comprising first and second handle portions pivotally movable between open and closed positions. A blade carriage within the assembly carries a blade. When the handle portions are in the open position the blade carriage is ... | 12/06/2005 |