Did You Know...
...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
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 |
| 7913401 | Three-in one trimmer head A three-in-one cutting head for a rotary trimmer usable with discrete lengths of string, flail blades, and fan blades is provided. The present disclosure represents an improvement over presently existing multi-purpose trimmer heads in that there is no requirement fo... | 03/29/2011 |
| 7320422 | Fastener tool The fastener tool includes a nosepiece, a nosepiece cover pivotally attached to the nosepiece, a latch pivotally attached to the nosepiece cover, a latch wire pivotally attached to the latch for engaging at least one hook disposed on the nosepiece, wherein the latch... | 01/22/2008 |
| 7231990 | Limit structure for a hook of a pneumatic tool The limit structure for the hook of the pneumatic tool, and the area that is preset on the pneumatic tool has a cylinder hook assembly part that can be covered by a loop cover of the hook. A ring groove is placed on the circumferential area of the hook assembly part... | 06/19/2007 |
| 7127971 | Hand tool safety device A combination handle and safety device configured to be attached to a hand tool to enable the hand tool to be safely stored upon a timber includes a handle, configured to be grasped by a user of the hand tool. Each of a pair of hanger prongs extends outwardly from a... | 10/31/2006 |
| 7111404 | Shield apparatus for power trimmer A shield apparatus for use with a powered vegetation trimmer of the type including a trimmer head assembly having an output shaft and a cutting mechanism rotatable with the output shaft. The shield apparatus is mounted coaxially about the output shaft between the cu... | 09/26/2006 |
| 7093366 | Ground supported portable tool guide A tool guide enables the earth or other surfaces to support the weight of a portable tool without using wheels or casters while providing a unique combination of adjustments positioning portable tools such as hedge trimmers to trim hedges or shrubs accurately. A fir... | 08/22/2006 |
| 7017272 | Weed and grass trimmer A weed and grass trimmer has a cutting line which is fed as the weed trimmer is in use. The weed trimmer's cutting head includes a spool for cutting line, and a housing. The spool has flanges around its circumference, which may engage a corresponding upper or lower ... | 03/28/2006 |
| 6968642 | Close combat handguard for rifles A bayonet assembly, for a firearm that has a knuckleguard, includes a rail connected to the firearm where the rail comprises a first position detent and a second position detent. The bayonet assembly may also include a bayonet that, in turn, includes a blade and a s... | 11/29/2005 |
| 6493944 | Rotatively mounted self-powered device for wearing and for use by right and left handed operators in cutting foliage An improved self-powered device for wearing on the back and for use by right and left handed operators in cutting foliage of the type having a backpack portion, a gas engine attached to the backpack portion, and a foliage cutting portion operatively conne... | 12/17/2002 |
| 6381854 | Bush-cutter for the manual mowing of grass and the like A bush-cutter for the manual moving of grass and the like comprises a rod or a stiff arm, working as a handle, which supports at one end a cutting head rotating around on axis and having cutting means with a cutting element, for example a blade or a flexi... | 05/07/2002 |
| 6314649 | Work apparatus The invention relates to the assembly of a shaft bearing (16) in the end section (6) of a guide tube (5) of a brushcutter (1). The guide tube (5) accommodates a drive shaft. The bearing (16) is axially inserted into the end section (6) and is held so that... | 11/13/2001 |
| 6178645 | Windscreen removal devices A device for severing a bonding strip located between and securing together two rigid panels, one of which may be of glass. The device has a flat elongated blade intended, in use, to be inserted between the panels to sever the bonding strip. The device is... | 01/30/2001 |
| 6026576 | Portable circular saw The disclosed portable circular saw includes a motor having an axis, a housing enclosing the motor therein, a handle carried by the housing, an arbor operatively connected to the motor, the arbor having an axis of rotation substantially perpendicular to t... | 02/22/2000 |
| 5940973 | Trimmer guide A guide is provided for a string trimmer that permits it to be positioned closely adjacent to or in a variety of positions further from borders and similar objects. The guide is attachable to the guard of the trimmer and is composed of two slideably adjus... | 08/24/1999 |
| 5930903 | Portable circular saw The disclosed portable circular saw includes a motor having an axis, a housing enclosing the motor therein, a handle carried by the housing, an arbor operatively connected to the motor, the arbor having an axis of rotation substantially perpendicular to t... | 08/03/1999 |
| 5850698 | Portable circular saw The disclosed portable circular saw includes a motor having an axis, a housing enclosing the motor therein, a handle carried by the housing, an arbor operatively connected to the motor, the arbor having an axis of rotation substantially perpendicular to t... | 12/22/1998 |
| 5414934 | Exchangeable sleeve bearing for a vegetation cutter apparatus A vegetation cutter apparatus having a drive motor which drives a cutterhead via a drive shaft journalled in a guide tube, The cutterhead is held in a sleeve bearing at the end section of the guide tube facing away from the drive motor, The cutterhead is ... | 05/16/1995 |
| 5375331 | Knife with blade moved in rapid sequence relative to the handle A knife consisting of a blade with a tang which is mounted in a handle. A guide, preferably made of plastic, in which the tang can be quickly moved to and fro by an oil-pressurized piston against the pressure of at least one spring, is provided in the han... | 12/27/1994 |
| 5367773 | Rechargeable battery-powered tree pruning device A pruning device is provided which includes an elongate support member having distal and proximal ends. A cutting mechanism is pivotably mounted on the distal end of the support member and includes a cutting member. An actuating mechanism including a moto... | 11/29/1994 |
| 5317807 | Wheeled support structure for lawn string trimmers A wheeled support structure assists in supporting a cutting head of a string trimmer within a cutting plane which is parallel to, but vertically spaced above, ground surface. The wheeled support structure includes a wheel, and an extension shaft having an... | 06/07/1994 |
| 5228276 | Edging attachment for line trimmer An attachment for a line trimmer comprises a wheel in the form of a drum having an axis of rotation and a peripheral flange between its ends, the flange extending outward from the drum in a plane perpendicular to said axis, means for supporting the drum f... | 07/20/1993 |
| 5107665 | Spatial guide for attachment to a line trimmer A spatial guide adapted to be affixed to a gasoline-powered line trimmer (also called a string trimmer) to serve as a stand-off device, such that the cutting head of the trimmer cannot come any closer to an obstacle than is permitted by the length of a ri... | 04/28/1992 |
| 5095687 | Adjustable support wheel asssembly for rotating flexible line-type vegetation trimmer A conventional rotating flexible line-type vegetation trimmer having a shield covering from above a length of line whipping from one end in a generally horizontal plane about a generally vertical axis, is provided with a swivelable ground-engaging wheel, ... | 03/17/1992 |
| 4947554 | Cloth cutting apparatus A cloth cutting apparatus comprising a first arm rotatably attached to a pillar arranged movably along a table, a second arm rotatably connected to the top end of the first arm and a cutter attached to the top end of the second arm. The second arm compris... | 08/14/1990 |
| 4894914 | Grass trimming device A grass trimming device is capable of adopting at least two alternative configurations, in one of which a cutting plane is substantially horizontal for use in grass trimming, and in the other of which the cutting plane is substantially vertical for edge t... | 01/23/1990 |
| 4787145 | Two position portable power tool hanger stabilized by spring and detent A folding hanger assembly for a circular saw. It is fitted to circular saws with the aid of screw fasteners. It consists of a rod and bracket, that is fixed to the side of the saw. The interior width of the bracket is the same as the exterior width of the... | 11/29/1988 |
| 4760646 | Tree pruner and hedge trimmer A portable apparatus for pruning tree limbs or trimming hedges, including a cutting head having a hedge trimmer disc or carrier means for a chain bar having a chain saw provided with means for angular adjustment of said chain bar to an infinite plurality ... | 08/02/1988 |
| 4658506 | Device in clearing saws A clearing saw comprises a circular saw blade which is rotatable relative to a portable frame and whose periphery is at least partly exposed to permit sawing and cutting through a tree-trunk. With the frame of the saw there is associated at least one arm ... | 04/21/1987 |
| 4531291 | Animal grooming clipper The clipper is driven by a flexible shaft from a stationary motor supported by a stand clamped to an edge of a grooming table. Because the motor is not incorporated in the clipper casing as characterizes prior art clippers, the casing is lighter, operates... | 07/30/1985 |
| 4197764 | Detachable handle assembly A detachable handle assembly is provided for a powered garden tool, such as a hedge trimmer. The handle assembly according to the present invention includes an elongated first member having a hand grip formed at one axial end. A clamp assembly is connecte... | 04/15/1980 |
