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.
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| Number | Title | Issue Date |
| 8176636 | High pressure, hydraulic hand tool for cutting hooves on horses or other applications A structurally integrated high pressure, hydraulic hand-held tool for cutting the hooves on horses. The tool includes a handle, with a hydraulic flow line provided centrally therethrough, a chamber integrated into the upper end of the handle, the chamber comprising ... | 05/15/2012 |
| 7971359 | Device for cutting protrusions An apparatus for clipping a protrusion of material is provided. The protrusion may, for example, be a bolt head, a nut, a rivet, a weld bead, or a temporary assembly alignment tab protruding from a substrate surface of assembled components. The apparatus typically i... | 07/05/2011 |
| 7673392 | Powered protrusion cutter An apparatus for clipping a protrusion of material is provided. The protrusion may, for example, be a bolt head, a nut, a rivet, a weld bead, or a temporary assembly alignment tab protruding from a substrate surface of assembled components. The apparatus typically i... | 03/09/2010 |
| 7331109 | Electric cutting device An electric cutting device includes a housing, a motor, an activation button, a first assembly, a second assembly, two connecting rods, two connecting rods and a cutting assembly. The activation button may be used to activate the motor. The motor is connected with a... | 02/19/2008 |
| 7329163 | Rope-severing device A rope-severing device includes a first sleeve having a first axis. A second sleeve is provided abutting and slideably oriented with the first sleeve. The second sleeve has a second axis, wherein the first axis and the second axis are at least one of coaxial and par... | 02/12/2008 |
| 7318334 | Powered pipe flaring tool The powered pipe cutter and the pipe flaring tool both have a piston slidably mounted in a cylinder. The cylinder has a top end closed by a top end plug. A crimped cartridge bore in the top end plug communicates with a gas expansion chamber. A bolt and firing pin as... | 01/15/2008 |
| 7313868 | Cutoff tool In a cutoff tool, a hood is arranged to overlap a distal end portion of a cutting blade, and a distal end portion of the hook is arranged to protrude from a toothed portion of the cutting blade. When the cutting blade retracts farthest in a uniaxial direction, the d... | 01/01/2008 |
| 7207253 | Parachute line cutting device The present invention is to improve the mechanical characteristics of a pyrotechnical parachute line cutting device. By enforcing the mechanical traction on the electrical connection wire by Kevlar reinforcement cords. The flexible electrical wire will be connected ... | 04/24/2007 |
| 7191525 | Two-stage attachment for cutting, crimping etc, and mechanical method thereof A two-stage attachment includes two stages of levers arranged to apply a cutting, shearing, squeezing and/or piercing force. The first stage includes a cam lever that has a segmented arcuate pushing surface. The second stage includes a blades support that has an arc... | 03/20/2007 |
| 7165439 | Battery powered hydraulic tool A battery powered hydraulic tool including a frame; a battery connected to the frame; a motor connected to the frame and adapted to be powered by the battery; and a hydraulic pump connected to the motor by a gear reduction transmission. The motor and gear reduction ... | 01/23/2007 |
| 7111488 | Battery powered hydraulic tool A battery powered hydraulic tool including a frame; a battery connected to the frame; a motor connected to the frame and adapted to be powered by the battery; and a hydraulic pump connected to the motor by a gear reduction transmission. The motor and gear reduction ... | 09/26/2006 |
| 7028380 | Rivet removal tool and method A device and method of removing a rivet which has been installed on a work piece. The method includes clamping a hand held device having springs onto the work piece, engaging a drill with a drill bit of the hand held device, the springs applying a pre-load force to ... | 04/18/2006 |
| 6971179 | Cutting tool A cutting tool capable of cutting work pieces which are thicker than what comparably-sized conventional cutting tools are capable of cutting has a jaw with a cutting edge which does not completely abut or overlap over the full length of an opposing edge of a second ... | 12/06/2005 |
| 6957560 | Battery powered hydraulic tool A battery powered hydraulic tool including a frame; a battery connected to the frame; a motor connected to the frame and adapted to be powered by the battery; and a hydraulic pump connected to the motor by a gear reduction transmission. The motor and gear reduction ... | 10/25/2005 |
| 6928739 | Tool force transmitting method and apparatus A method and apparatus for transmitting a force around a corner is provided. The apparatus includes a force transmitter comprising a first and second rounded end, a connecting member connecting the first and second rounded ends having a smaller diameter than the fir... | 08/16/2005 |
| 6928765 | Tension activated, hydraulically controlled rope severing device A rope severing apparatus for releasing a rope after continued tension. The first element of the apparatus is the base, which has elastic properties that permit the base to stretch when realizing tensional forces. The base may be a spring in one embodiment, although... | 08/16/2005 |
| 6869001 | Device for the maintenance of semi-autogenous grinding mills used in large-scale mining A nut cold cutter devise is used in the assembly and maintenance of semi-autogenous grinding mills for large-scale mining. The device includes a front body, a back body and a hydraulic cylindrical chamber located between the front and back bodies. The front body has... | 03/22/2005 |
| 6745611 | Battery powered hydraulic tool A battery powered hydraulic tool including a frame; a battery connected to the frame; a motor connected to the frame and adapted to be powered by the battery; and a hydraulic pump connected to the motor by a gear reduction transmission. The motor and gear reduction ... | 06/08/2004 |
| 6684679 | Pneumatic metal-work tool A pneumatic metal-work tool includes a punch assembly mounted on the front end of a hydraulic push-rod assembly. The hydraulic push-rod assembly has a hydraulic chamber mounted with a piston rod. One end of the piston rod is mounted in a center hole of a ... | 02/03/2004 |
| 6668613 | Hydraulic compression tool and hydraulic compression tool motor A transmission for connecting a rotary motor output shaft to a rectilinear actuator which is moveable rectilinearly along an actuator axis of translation. The transmission comprises a frame, an eccentric, and a rectilinear guide. The frame has a bore form... | 12/30/2003 |
| 6427336 | Clamping member disassembling device and attachment structure thereof, as well as clamping member disassembling method and production system using the method A clamping member disassembling device is disclosed in which a clamping member comprising a head portion and a body portion and clamped to base metals, with the body portion being inserted into clamping holes formed in the base metals and the head portion... | 08/06/2002 |
| 6230598 | Automatic cutting device The present invention pertains to an automatic cutting device which can be utilized for cutting woody plant material (e.g., stem, stalk). The subject device can comprise a housing having a fixed blade attached thereto. A movable blade, pivotally connected... | 05/15/2001 |
| 6065326 | Hydraulic manual device A manual hydraulic apparatus (1) with a traction/pressure installation, for example, a hole punch apparatus, with a hydraulic piston (5) which can be moved with respect to a cylindrical housing (25), and with a holding-up part (2) and a fastening installa... | 05/23/2000 |
| 5890291 | Enclosed blade fixture for cutting hoses A cutting device embodying a housing that fully encloses the knife blade in its retracted position. The cutting device has access slots in the sides of the housing that provide access to the interior of the housing without having to disassemble the housin... | 04/06/1999 |
| 5826473 | Device for cutting a wire laid on a substrate A continuous strand of wire is laid in a wire groove or between pairs of guides on a substrate and is cut at desired locations to form individual circuits. At least one recess below the level of the wire laying plane is positioned to correspond to a scrap... | 10/27/1998 |
| 5775158 | Cutting dies A die structure for use in a tool which crimps or cuts a workpiece between relatively moveable jaws of the tool on which the die structure is securable is particularly structured for durability when used to severe high tensile strength cable such as guy w... | 07/07/1998 |
| 5758729 | Servo-pliers Pliers (1) have a pliers housing (2), a handle (6) which is articulated on the pliers housing (2), a pliers mouth (3) which accommodates processing elements, and a drive device, which can be operated by pivoting the handle (6), in order to drive the proce... | 06/02/1998 |
| 5735353 | Servo-pliers Pliers (1) have a pliers housing (2), a handle (6) which is articulated on the pliers housing (2), a pliers mouth (3) which accommodates processing elements, and a drive device, which can be operated by pivoting the handle (6), in order to drive the proce... | 04/07/1998 |
| 5714821 | Alternating current generator with direct connected exciter winding A three phase four pole alternating current generator includes an AC exciter including a series winding for each phase of the main generator windings and a shunt winding for each of the main phase windings. The series exciter windings includes two coils. ... | 02/03/1998 |
| 5651296 | Device for providing protection against debris produced by a pyro bolt cutter A device for providing protection against the debris produced by a bolt that can be cut by a pyro bolt cutter, in particular through the use of a pyrotechnic device, the device including a confinement enclosure which surrounds the body of the bolt where i... | 07/29/1997 |
| 5598737 | Portable, power driven punch press for working on steel frame members A portable punch press suitable for bending, cutting or otherwise working on steel frame members at sites of construction. Included is a C shaped frame erected on a bed for upstandingly carrying a hydraulic cylinder in overlying relationship to the bed. A... | 02/04/1997 |
| 5465490 | Rescue chopping tool A cutting type rescue tool having a body with an axis of actuation. A spacer on the body spaces a reaction arm, which reaction arm extends across the axis. An actuator barrel contains a piston from which a piston rod extends to a cutting blade that faces ... | 11/14/1995 |
| 5361496 | Cable insulation removing tool A tool for stripping insulation from a live high voltage power line comprising a pair of relatively movable jaws adapted in a support head attached to the distal end of an non-conducting shaft. The jaws each have C-shaped blades and a longitudinally direc... | 11/08/1994 |
| 5318081 | Hydraulic tree trimmer A high reach self centering hydraulic tree trimmer which consists of first a carriage assembly. The carriage assembly consisting of a top plate and a bottom plate. The plates are separated by spacers and secured together with a plurality of fasteners. A p... | 06/07/1994 |
| 5282378 | Fluid actuated, double acting machine for punching, cutting, bending or the like A hydraulic punching machine is disclosed which has a casing having formed therein a piston chamber in which a piston is reciprocably mounted to define a pair of opposed fluid chambers, and a fluid reservoir for containing a hydraulic fluid. The piston ha... | 02/01/1994 |
| 5205041 | Device for removing a peduncle from a printed circuit board A device (10) for removing a connecting peduncle (28) passing through a separation slot (42) between two printed circuit boards (26, 27) includes a reciprocating moving element (13) having a cutting face (14) thereon formed on a undersurface of a projecti... | 04/27/1993 |
| 5134776 | Hydraulically actuated hand-held wire cutter A hand-held tool has cutter blades actuated by a power wedge on a piston rod in an hydraulic cylinder. The hydraulic cylinder is powered by a compressed air supply through stationary apparatus containing an air-hydraulic pressure intensifier apart from th... | 08/04/1992 |
| 5105543 | Rescue cutting tool A power operated portable cutting tool for rescue work. A cutting head comprises first and second jaw members, each jaw member having a cutting edge portion adjacent one end and a shank portion adjacent the other end. The jaw members are pivotally attache... | 04/21/1992 |
| 5070616 | Hydraulic type pipe cutter A pipe cutter includes a mouth formed in the front portion of a body for receiving a pipe to be cut, a handle pivotally coupled to the body and located in front of a grip, an upper cylinder and a lower cylinder coupled together, a container disposed in th... | 12/10/1991 |
| 5058272 | Tool apparatus for applying large forces A tool apparatus for applying a large closing force to an object is disclosed. The tool apparatus, capable of improving the efficiency and ease of effort required to crimp nuts onto bolts and to cut materials such as multi-strand cables, bars and the like... | 10/22/1991 |
