Famous Patents
The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 7946041 | T-back hand saw A hand saw including an ergonomically constructed saw blade holder with a pistol type grip, an elongated support having a blade channel for receiving and supporting a particular âTâ blade, and various tooth configurations of a saw blade having a cooperating T-sh... | 05/24/2011 |
| 7930833 | Portable trimmer having rotatable power head A portable, hand-operated trimmer has a head module that is removably connected to a power control module. The head module has a power head enclosing an electric motor that is operatively connected to a trimming blade. The power head is selectably settable in a plur... | 04/26/2011 |
| 7752760 | Portable trimmer having rotatable power head A portable, hand-operated trimmer has a head module that is removably connected to a power control module. The head module has a power head enclosing an electric motor that is operatively connected to a trimming blade. The power head is selectably settable in a plur... | 07/13/2010 |
| 7329211 | Backswing release handle An exerciser uses a handle and bracket combined with a resistance that opens the bracket away from the handle to facilitate wrist cocking in a backswing region of a simulated swing. As the handle moves downward and forward toward a hitting region of the swing, the b... | 02/12/2008 |
| 7325314 | Handsaw having replaceable blade A handsaw includes a handle, a blade removably mounted on the handle, and a press button pivotally mounted on the handle and detachably engaged with the blade to lock the blade on the handle and unlock the blade from the handle. Thus, the blade can be detached from ... | 02/05/2008 |
| 7318367 | Carpet installation tool A carpet installation tool capable of being used to crease and tuck carpets in a wide variety of locations, including those difficult to access. The tool includes a handle that defines a longitudinal axis of the tool and a head disposed at one end of the handle. The... | 01/15/2008 |
| 7310880 | Saber saw with an adjusting device for a saber saw guide A motor-driven saber saw includes a housing (4), having a neck (8) which serves as a handle and has a tool opening (6), a guide device (22) for guiding the saber saw (2) on a workpiece and releasably connectable to the housing (... | 12/25/2007 |
| 7269905 | Structure of a miniature hacksaw A structure of a miniature hacksaw includes a handle, a bow frame connected with the fore end of the handle. The bow frame has a longitudinal slit and the handle has a limited space including an opening in outer side, a plurality of ribs on inner side, a first and s... | 09/18/2007 |
| 7254893 | Blade quick removal device for a handsaw A blade quick removal device includes an arcuate frame integrated with a front handle and a rear handle, a first hook bar under the front handle, an oscillatory second hook bar nearby the rear handle for adjustably retaining the saw blade thereon and a locking membe... | 08/14/2007 |
| 7210234 | Bow saw structure A bow saw structure including a handle, an adjustment unit and a fast installation/detachment unit. The handle has a grip section for a user's hand to extend through and hold. An upper side of the grip section is formed with a tunnel in which an L-shaped support mem... | 05/01/2007 |
| 7168172 | Saw A saw including a handle, a saw blade, a front protective bow and a rear protective bow pivotally connected with the front protective bow. When unfolding the saw blade, the saw blade presses the front protective bow and makes the front protective bow drive the rear ... | 01/30/2007 |
| 7153456 | Method of making molds for making articles and a method of molding articles using such molds A process is described for making gourd molds useful in the production of decorative ceramic and other articles which bear the textures of the gourd interior. Articles produced may also serve as models for use in the manufacture of production molds. Steps in making ... | 12/26/2006 |
| 7108079 | Electric power tool A cover which covers outer peripheries of fastening screws are disposed on an outer periphery of a hammer case. A stopper which detachably positions and fixes the cover to the outer periphery of the hammer case is disposed. ... | 09/19/2006 |
| 7093367 | Angular adjustment device in the handle of a handsaw A handsaw includes a handle combined with a first and a second halves each having a large circular hole in front end wherein the first half has a protrudent ring together with a plurality of positioning grooves in the inner periphery of the large circular hole and a... | 08/22/2006 |
| 7065885 | Handsaw having replaceable blade A handsaw includes a handle, a blade, and a locking member. Thus, the user only needs to drive the drive lever of the locking member to detach the snapping hook of the locking member from the snapping groove of the handle so as to detach the blade from the handle, s... | 06/27/2006 |
| 7036230 | Cutting tool adopted for two handed operation A pneumatic cutting tool has an extended body length so it can be operated by a pair of hands to facilitate the operation and holding thereof The body length can be increased using an extension cylinder and extension kit. The tool also has a handle mounted onto the ... | 05/02/2006 |
| 6996983 | Stirling engine A rotary Stirling-type engine (100) having a heat chamber (105) with a compressing turbine (107) at one end and a valve assembly (108) through which gas enters the heat chamber (105). At the order end is a nozzle housing (109 | 02/14/2006 |
| 6925719 | Powered coping saw An elongate, cylindrical hand-held powered coping saw adapted for making thin cuts of short length, such as for cutting individual dies from a full arch dental model generally includes a blade assembly, a housing, a rotary motor having a drive shaft, a piston for dr... | 08/09/2005 |
| 6820341 | Hacksaw having improved blade storage A hacksaw in which one or more perishable hacksaw blades are conveniently stored and accessed. The hacksaw includes a beam, which defines a blade storage cavity, a handle and a fastening member that is employed to fixedly fasten the beam to the handle. The fastening... | 11/23/2004 |
| 6789326 | Structure of handle for mini-handsaw A structure of handle for mini-handsaw includes a handle having a gap to engage a saw blade therein, a slider in cooperation with a locking member slidably engaged within a rectangular opening of the handle for releasably gripping the inner end of the blade and a sw... | 09/14/2004 |
| 6772522 | Quick disassembly hacksaw A quick disassembly hacksaw includes an inverse U-shaped frame having a flexible triangular front handle on fore end, a rear handle on rear end, a front tube and a rear tube respectively disposed under the fore end and rear end, an adjusting mechanism disposed in th... | 08/10/2004 |
| 6754967 | Reciprocating saw holder A reciprocating saw includes a saw blade that is connected to a hand held driver for reciprocating the saw blade to perform a cut. A bit holder and a blade holder is used to provide connection between the saw blade and the handle of the hand held driver. The bit hol... | 06/29/2004 |
| 6694620 | Folding saw A protective cover (4) for a folding saw in which the edge (1a) of the blade (1) can be nestled in place inside the housing groove (3) of the handle (2) having a semi-U-shaped cross section for housing the blade (1) in such a way that it is pivotally mova... | 02/24/2004 |
| 6601306 | Tool and connection therefor between working portion and handle portion thereof A cutting device includes a cutting blade formed of metal and having a forwardly disposed toothed portion and a rearwardly disposed tapered shank portion being tapered in shape and having outwardly extending projections, and a handle portion formed of pla... | 08/05/2003 |
| 6578268 | Tool A hand tool includes a replaceable cutting portion having an elongate cutting surface, a body and a handle. The body receives displaceable protecting apparatus for shielding the cutting surface of the cutting portion when not in use. A forward distal end ... | 06/17/2003 |
| 6546633 | Reciprocating saw holder A reciprocating saw includes a saw blade that is connected to a hand held driver for reciprocating the saw blade to perform a cut. A bit holder and a blade holder is used to provide connection between the saw blade and the handle of the hand held driver. ... | 04/15/2003 |
| 6523267 | Insulating cover for a saber saw A front cover, covering an outer surface of a saber saw housing, is made of an electrically and thermally insulating rigid material. A resilient member is provided on an outer surface of the front cover partly so as to form a front-end grip to be held by ... | 02/25/2003 |
| 6516525 | Handsaw A handsaw includes a handle, a saw blade pivotally attached to the handle and a position device movably mounted in the handle to selectively hold the saw blade in place. The handle and the saw blade form an angle that is adjustable because the saw blade i... | 02/11/2003 |
| 6497046 | Safety saw for cutting soft materials A safety saw may be used by a child and includes a handle and a forwardly extending blade. The handle has a first portion, a second portion and a waisted portion between the first and second portions. The minimum diameter of the waisted portion is no more... | 12/24/2002 |
| 6463663 | Folding saw A folding saw in which either the edge of the blade, the handle or both are curved, to prevent the edge of the blade from being exposed when blade is folded so that the saw can be handled safely. The protective cover in which the edge of the blade can be ... | 10/15/2002 |
| 6457244 | Structure of a hacksaw A structure of a hacksaw includes a frame which is combined by a fore part and a rear part, an adjustable mechanism under the fore part connected to one end of the blade for adjusting the tilt angle of the blade, a positioning mechanism under the rear par... | 10/01/2002 |
| 6370782 | Stabilizing bow saw handle extension This invention describes an improved bow saw having a stabilizing elongated handle extension comprising a connecting device and elongated handle. The handle extension is positioned and secured at one of several angles onto the bow portion of a bow saw. It... | 04/16/2002 |
| 6272960 | Chop saw An improved chop saw may include a base assembly, a blade assembly including a blade having a center and a motor for driving the blade, an arm pivotally attached to the base assembly and carrying the blade assembly, the blade assembly being movable betwee... | 08/14/2001 |
| 6253455 | Hand saw having a handle including a pivoted protector for protecting a blade A handsaw includes a blade having a toothed cutting edge pivoted to a handle. The handle includes a frame and a tooth protecting element. The tooth protecting element is pivoted to the frame to be swung between a working position and a retracted position.... | 07/03/2001 |
| 6240642 | Compact pruning saw A telescoping series of coaxial nested tubes 1-4 extend to provide an elongated handle. Each inner tube of the series has a back end with a gradual conical flare. Each tube that encloses a smaller tube has a front end with a gradual conical reduction. At ... | 06/05/2001 |
| 6125544 | Pruning saw A pruning saw includes an elongated sawblade which has a line of cutting teeth. Opposite sides of the blade extending between the line of teeth and the back edge are concave. A thinnest waist between the concave sides is located closer to the line of teet... | 10/03/2000 |
| 6044559 | Cutting blade and stabilizing handle attachments for a power drill Attachments of the present invention are generally attached to a power drill that has a chuck with an axis of rotation. The attachments include a circular cutting blade attached perpendicularly to a shaft that is removably interconnected with the chuck an... | 04/04/2000 |
| 5937527 | Holding means for blade of handsaw A blade holder attached to a saw handle. The saw blade includes a slot on one side, and is engaged inside the blade holder and is securely held in place by stoppers formed inside the holder's frame and by pressure applied by spring action. This spring act... | 08/17/1999 |
| 5926962 | Handle of a saw A saw includes a saw blade pivotally connected to the handle which is an enclosed handle having a curved top portion to which the user's hand holds and a bottom portion consists of two frames between which a slit is defined so that the saw blade is receiv... | 07/27/1999 |
| 5926961 | Tree trimmer with telescopic rod A hand-guided working tool has a telescopic rod with a first and a second end. A drive motor is connected to the first end of the telescopic rod. A working tool, connected to the second end of the telescopic rod, is driven by the drive motor. The telescop... | 07/27/1999 |
