Famous Patents
In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
PatentStorm News
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 |
| 7814663 | Modular power tool A modular power tool incorporates a modular drive system and modular handle set that is reversible for use with both a left hand and right hand configuration. The modular drive system and handle set of the modular power tool of this invention reduces the need for de... | 10/19/2010 |
| 7805841 | Modular power tool A modular power tool incorporates a modular drive system and modular handle set that is reversible for use with both a left hand and right hand configuration. The modular drive system and handle set of the modular power tool of this invention reduces the need for de... | 10/05/2010 |
| 7802366 | Insert for a slicer A reversal insert for a slicer for chopping up items such as fruit, vegetables, etc. has a base plate, of which one side is designed as a bearing surface. In a first reversal position of the insert the item can be guided longitudinally on the bearing surface onto a ... | 09/28/2010 |
| 7574803 | Undercut saw A saw for undercutting door jambs or trim including a saw blade attached to a flange having a first portion attached to the saw blade, a second, offset portion that extends away from a plane defined by the first portion and a third portion that extends away from the... | 08/18/2009 |
| 7430807 | Universal saw A universal saw capable of being employed as a jigsaw or sabre saw, having a housing containing a drive train that includes an electric drive motor and a motion converter that converts the rotary motion of the drive motor into a reciprocating working motion of the s... | 10/07/2008 |
| 7363841 | Modular power tool A modular power tool (10) incorporates a modular drive system (14, 18, 22) and modular handle set (12) that is reversible or use with both a left and right hand configuration. The modular drive system (14, 18, 22) and handle set (12 | 04/29/2008 |
| 7360312 | Bush cutter A bush cutter has a driving bevel gear housed in a first box constituting a part of a gearbox, and a driven bevel gear housed in a second box and engaging the driving bevel gear. The driving bevel gear is rotatably retained in a first bearing. The first bearing is s... | 04/22/2008 |
| 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 |
| 7322112 | Kitchen slicer A kitchen slicer for cutting items to be cut such as fruit, vegetables etc. is proposed, with a base, to which a blade is fixed, which is arranged on an edge of a discharge plate, and an exchangeable insert, which can be fixed to the base in different positions for ... | 01/29/2008 |
| 7314096 | Adjustable handle for portable tool A handle having an adjustable shaft wherein the overall length of the shaft and/or the angular relationship of portions of the shaft can be varied by a user of an associated tool. In one embodiment, the handle includes a first tube, a second tube connected to a work... | 01/01/2008 |
| 7310879 | Cutting attachment having an adjustable foot for rotary hand tools Embodiments of an accessory attachment for a rotary power hand tool are disclosed wherein the hand tool is of the type which has a tool housing with a preferably cylindrical nose portion, a motor having a motor drive shaft with a mounting coupling extending forwardl... | 12/25/2007 |
| 7299553 | Zero-offset power handsaw A zero-offset power handsaw having a body unit including a skid plate and a handle, a circularly shaped saw blade, a blade mounting mechanism including a removable mounting device having a head, a guard, and an electric motor. The saw blade has a forward extremity a... | 11/27/2007 |
| 7293362 | Drill powered cable cutter A cable cutter for attachment to a power drill has a housing, first and second cutting blades connected to the housing for movement relative to one another and a drive assembly releasably engageable with the chuck of the drill and operatively engaged with at least o... | 11/13/2007 |
| 7275325 | Bush cutting machine A bush cutting machine with a tubular operating pole connected to an outlet of an exhaust muffler and doubling as an exhaust passage is provided. Exhaust gases discharged from an engine flow from the exhaust muffler through the operating pole and are then discharged... | 10/02/2007 |
| 7217267 | Hair treatment method A hair treatment device includes a generator of electromagnetic radiation and optical guide components operatively connected to the generator so as to direct electromagnetic radiation from the generator away from entering a skin surface and in a direction substantia... | 05/15/2007 |
| 7207116 | Air saw A main spindle of an air saw is reciprocated by sliding a piston in a cylinder chamber with the pressure of air supplied to the cylinder chamber via an air supply path so as to alternately apply the air pressure to pressure-receiving surfaces of a back plate and a f... | 04/24/2007 |
| 7188422 | Attachment for hair clippers A hair trimmer or other attachment can be secured to a conventional hair clipper. The attachment has a stationary blade and a moving blade that cut hair when the moving blade reciprocates. The moving blade of the attachment is driven by a moving blade of the hair cl... | 03/13/2007 |
| 7174643 | Hand tool The invention provides a frame (12) of a hack-saw (10) and, particularly, the handle formation (14), defines shoulder formations (22) that define a linear edge (24) on opposite sides of the extension formation (16), the oper... | 02/13/2007 |
| 7155830 | Portable working machine A portable working machine has a motive power source for producing a rotational motion, a cutting blade mounted to undergo linear reciprocating motion, and a reduction mechanism for reducing a speed of the rotational motion produced by the motive power source. A mot... | 01/02/2007 |
| 7131205 | Electric powered rotary saw An electric powered rotary saw for cutting medical cast or the like includes a cylindrical housing, a removable longitudinally extending mounting member and a rotary circular saw blade disposed at one end of the mounting member. The saw blade is fixed to a shaft for... | 11/07/2006 |
| 7131897 | Portable rail cutting apparatus A portable rail cutting apparatus is presented herein. The portable rail cutting apparatus comprises a housing encasing a motor, the motor configured to drive a rotary abrasive blade, a drive pulley coupled to the motor, a driven pulley coupled to the rotary abrasiv... | 11/07/2006 |
| 7101295 | Power transmission device and portable power working machine provided with the same A power transmission device is disclosed which is capable of easily, swiftly and appropriately altering the distance between the axes of a pair of transmission wheels such as pulleys, enabling an endless belt to be kept under constant and appropriate tension without... | 09/05/2006 |
| 7096588 | Movable handle for a power tool A movable handle and a power tool. The power tool comprises a housing, a motor supported by the housing and operable to drive a tool element about an axis, and a handle supported by the housing for rotation relative to the housing about the axis. Preferably, the pow... | 08/29/2006 |
| 7093365 | Heavy duty drill shear attachment Drill shear attachment clamps for a shear attachment with shear blades connected to a chuck of a portable drill includes left and right rails extending from and secured to the left housing side of the shear attachment along the drill body to a point beyond the rear ... | 08/22/2006 |
| 7080455 | Handheld kitchen scissor/knife appliance A cutting apparatus includes first and second subassemblies. The first subassembly has a first handle and a blade connected to the first handle, the blade including a proximal end portion attached to the handle, a distal end portion, and a cutting edge intermediate ... | 07/25/2006 |
| 7059947 | Portable rail cutting apparatus A portable rail cutting apparatus is presented herein. The portable rail cutting apparatus comprises a housing encasing a motor, the motor configured to drive a rotary abrasive blade, a drive pulley coupled to the motor, a driven pulley coupled to the rotary abrasiv... | 06/13/2006 |
| 7055250 | Machine tool for cutting plate and sandwich panels A machine for cutting plate-shaped workpieces, incorporates a tool guide (7), an operating handle (13), and a cutting tool (6) which revolves along the tool guide (7). By moving the operating handle (13), the tool guide (7) ... | 06/06/2006 |
| 7036228 | Multifunctional knife device A multifunctional knife device has a main handle, a main blade having a tang inserted in the main handle, an auxiliary handle, an auxiliary blade having a serrated tang inserted in the auxiliary handle, and a spring inserted in the main handle and the auxiliary hand... | 05/02/2006 |
| 7014546 | Extendable remote motored sander and method therefor A remote powered extendable sander has a sanding unit having a sanding surface. A drive system is coupled to the sanding unit. The drive system is used to move the sanding surface. A drive transfer unit is provided for transferring rotational motion from a small mot... | 03/21/2006 |
| 6997633 | Coupling for split-boom power tool A power tool coupling system for coupling two boom members of a split-boom power tool. The coupling system includes a first section and a second section. The first section is adapted to be fixedly attached to an end of a first one of the boom members. The first sect... | 02/14/2006 |
| 6976909 | Extended sanding support An extended sanding support tool, consistent with certain embodiments of the present invention has an elongated metal housing having first and second ends. A first bearing is coupled to the housing adjacent the first end and a second bearing is within the housing cl... | 12/20/2005 |
| 6944955 | Competition/leashless ice axe with adjustable grip An ice axe device and method has an adjustable grip. The ice axe includes an elongated shaft with opposite proximal and distal ends. A pick is disposed at the distal end of the elongated shaft, and a grip is disposed at the proximal end of the elongated shaft. A pom... | 09/20/2005 |
| 6941662 | Shaving head assembly for a lint shaver A shaving head assembly for a lint shaver includes a transmission shaft rotatably received inside the casing and having a V-shaped cutout defined in a distal end of the transmission shaft. The blade assembly has a blade seat with a V-shaped extension extending from ... | 09/13/2005 |
| 6942416 | Device for attaching a handle A device for attaching a handle or handlebar to a portable tool to be adjustable about two parallel axes in order to increase the range for the adjustments of position of the handle or handlebar relative to the tool. The device can also be used with existing tools. | 09/13/2005 |
| 6938345 | Combination utility knife A retractable blade utility knife includes a knife housing, a blade, a pencil housing, a pencil sharpening slot, and a rear cover. The knife may further include a rope-cutting recess and a cutting surface in a lower end and a sawing surface in an upper end of the bl... | 09/06/2005 |
| 6920939 | Walk-behind electric cultivating machine A walk-behind electric cultivating machine has a body frame, an electric motor mounted on the body frame and having a motor shaft, and batteries mounted on the machine body frame for supplying electric power to the electric motor. Each of the batteries has a longitu... | 07/26/2005 |
| 6901666 | Bush cutting machine A bush cutting machine including a prime mover, a cutter and a handle fixed to an operation rod. The handle has left and right end portions carrying grips. Each grip is mounted at a center of gravity of a sum of a mass of a handle portion between a fixed point and a... | 06/07/2005 |
| 6898854 | Modular power tool A modular power tool incorporates a modular drive system and modular handle set that is reversible for use with both a left hand and right hand configuration. The modular drive system and handle set of the modular power tool of this invention reduces the need for de... | 05/31/2005 |
| 6877229 | Knife with function of scissors A folding knife has a handle, as well as, a first blade and a second blade, which are rotatably supported by the handle. When the first blade is located in the fold-out position and the second blade is located in the fold-in position, the first blade functions as a ... | 04/12/2005 |
| 6820339 | Right-angle accessory saw for use with electric drill A right-angle accessory saw for use with an electric drill comprises a drive shaft housing and a saw head. A drive shaft is mounted for rotation within the drive shaft housing. The drive shaft has a drill connection end extending outwardly from a proximate end of th... | 11/23/2004 |
