Quotables
"There is practically no chance communications space satellites will be used to provide better telephone, telegraph, television, or radio service inside the United States."
T. Craven, FCC Commissioner ; 1961
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 |
| 7341475 | Ground rod cap A ground rod cap is disclosed. The ground rod cap includes a crown portion and a support portion connected to the crown portion. The crown portion is configured to receive a ground rod. ... | 03/11/2008 |
| 7325344 | Ground-mounted impact insertion and extraction apparatus An apparatus for impact insertion in and extraction from the ground includes a core with an upper section adapted for mounting a device, such as a sign, and a lower section with a pointed lower end. A reduced-diameter guide shaft extends between the upper and lower ... | 02/05/2008 |
| 7182149 | Pneumatic wrench having reinforced strength A pneumatic wrench includes a pneumatic motor, a striking portion, and a drive shaft. The striking portion includes a support seat, a first pin, a second pin, a first hammer, and a second hammer. Thus, the locking strip of the first hammer and the locking strip of t... | 02/27/2007 |
| 7117955 | Driver cap The driver cap assembly of this invention includes a tubular body and a driver sleeve that may be positioned over and/or about an end of a shafted body. A force is applied to the driver cap such that the other end of the shafted body is driven into a surface. The dr... | 10/10/2006 |
| 7093669 | Impact tool An impact tool, comprising: a shaft; a stop on the shaft; a slider movable on the shaft for striking the stop to create an impact force; and a handle on the slider to allow a user to move the slider. The handle isolates the impact force from the user by being movabl... | 08/22/2006 |
| 7089694 | Sign post assembly and method for the same A method and apparatus providing a sign post assembly including a stabilizing post member, an outer tubular post and a horizontal post member. The stabilizing post member includes a spike portion and an inner post portion with a blocking portion coupled to the post ... | 08/15/2006 |
| 7040416 | T-post hole-forming device and use for installing a T-post The invention provides a T-post hole-forming device, comprising (a) a shaft; (b) a head for receiving a driving force at the top of said shaft; (c) a flat plate affixed to one side of said shaft, the shaft terminating in a pointed end for piercing the ground. Also p... | 05/09/2006 |
| 7013984 | Powered tool A tool for a powered machine, having vibration damping member. A method of providing a tool having a vibration damping member arrangement, applicable to different tools, is described. Estimated antinode positions along the tool in use are determined and a vibration ... | 03/21/2006 |
| 6941793 | Impulse generator for profiling system An energy impulse generator for transferring an energy pulse to a surface. The generator exchanges messages with a computing means through a communication interface. The generator comprises a housing. The generator further comprises an impact assembly movably mounte... | 09/13/2005 |
| 6029753 | Increased efficiency percussion piston and method for operating same A percussion piston for use in a drilling apparatus includes a drill bit and at least three tubular parts which increase in diameter in a direction extending from the drill bit toward a rear end of the piston. The piston further includes flanges positione... | 02/29/2000 |
| 5931243 | Hammer device The present invention relates to a hammer device, preferably a down-the-hole hammer, including a drill bit (11) and a piston (10) reciprocating therebehind to periodically strike the drill bit. The drill bit (11) includes front (11a) and rear (11b) portio... | 08/03/1999 |
| 5803188 | Hydraulically driven percussion hammer An hydraulically driven percussive hammer for use with down-the-hole percussive hammer drilling, the hammer having a piston and liner combination which provides for multiple stages where there are successive effective piston drive areas of diminishing siz... | 09/08/1998 |
| 5727639 | Pile driving hammer improvement An improved pile driving drop hammer of the free piston internal combustion engine type preferably has integral pistons on each end of a ram that reciprocates, usually vertically, in an enclosing bore. There is a combustion chamber on each end of the bore... | 03/17/1998 |
| 5662179 | Hole-making device A device for making holes in the ground, such as for a golf course, has a tubular cutter having an open first end for insertion into the ground, and an opposite second end from which a guide extends. A percussion weight is guided for movement along the gu... | 09/02/1997 |
| 5556649 | Device for removing runners from molded products A device for removing runners from intermediate molded products includes a holding assembly for maintaining the products in a desired position, a hammer member, an assembly for vibrating the hammer member to cause repeated striking of the intermediate pro... | 09/17/1996 |
| 5542479 | Hand operated impact tool A grounding rod or other article is manually driven into the ground by an impact tool including an elongated guide shaft or rod having a center axis and upper and lower end portions. The lower end portion of the rod is secured by a cross pin to a coupler ... | 08/06/1996 |
| 5511626 | Hydraulically operated subsoil displacement apparatus A hydraulically operated mole has a reciprocating hammer operated by means of an impact mechanism which may be readjusted from forward to backward wiring by displacement of a valve tube secured to a piston near the rear end of the apparatus. The piston is... | 04/30/1996 |
| 5337837 | Dual-diameter pneumatic ground piercing tool The weight of a pneumatic ground piercing tool of the type having a stepped air inlet is reduced and tool power increased by providing the tool body with a dual diameter. The tubular tool body has a front section and a rear section which has a greater inn... | 08/16/1994 |
| 5117920 | Pole driver A pole driver 10 has a platform 12 on wheels 14 and 16 with leveling lift jacks 18 to assure horizontal orientation of the platform. A hammer drive assembly 24 is pivotally mounted on the platform 12 between a horizontal travel position and a vertical ope... | 06/02/1992 |
| 5086849 | Apparatus useful in driving electrical ground rods Three tubular elements are rigidly bundled together so as to have, in use, a common upper end elevation. The first element is closed at its upper end by a rigid cap element and depnds from the common upper end by approximately 30 centimeters (approximatel... | 02/11/1992 |
| 5038874 | Drill bit having a flushing medium channel A drill string for top hammer drilling includes a drill bit, a set of central rod members for transferring impact energy to the drill bit, and a set of tubular members surrounding the rod members for transferring rotation to the drill bit. The rod members... | 08/13/1991 |
| 5029651 | Post driver A post driver for driving a wedged anchor into the ground wherein said wedged anchor is adapted to receive a post at the top end thereof comprising: an elongated inner shaft having a rectangular cross-section, said inner shaft having one end of which is a... | 07/09/1991 |
| 4813494 | Stake driver A stake driver having a first rod that has at least one solid end for driving a stake. The other end may be pointed. A second larger diameter rod is slidably insertable over the first rod. One of the open ends of the second rod is located over a stake. Th... | 03/21/1989 |
| 4751970 | Angular attachment for transmitting and deviating output power of a machine An angular attachment to a rotary and percussive power machine, such as a hammer drill, includes a rotary power input tubular member driven by a rotary part of the power machine, a tubular power output supported for rotation at an angle relative to the ax... | 06/21/1988 |
| 4610188 | Magnetic driving tool A tool for driving metallic fasteners which includes a magnetic driving head defined by partially separated segments of opposite polarity which are spaced from one another along a portion of their width, but which are integrally connected by an integrally... | 09/09/1986 |
| 4569402 | Method of controlling impact force and shock interval in drop hammers Method of controlling impact force and shock interval at a drop hammer of the type which has a core (10) and a number of casings (12, 14, 16, 19) arranged concentrically around the core. Between the core and the casings, spacings are arranged, and the cor... | 02/11/1986 |
| 4558747 | Impact devices A pair of rotating flywheels which engage a ram for moving a tool which impacts a part, such as a nail to be driven, are rotated in opposite directions from a single motor or other rotating means, through a pair of substantially identical gears, one of wh... | 12/17/1985 |
| 4462468 | Ram head for self-driven pneumatic ram drills A ram head for self-driven pneumatic ram drills for producing boreholes in the earth, having a generally tubular housing within which there is movable axially back and forth an impact piston whose impact energy can be transmitted to the ram head arranged ... | 07/31/1984 |
| 4448264 | Ground rod driving pole A driving pole for a ground rod or the like is provided wherein the ground rod is positioned in the hollow interior and driven into the ground in increments. Vertically spaced cross pins provide incremental stops for engaging the top of the ground rod for... | 05/15/1984 |
| 4427078 | Pile-driving ram A ram for driving elongated objects into the ground including a piston jacket, an anvil disposed on the object to be driven, a mechanism located within the jacket for directly impacting with the anvil and for reciprocating at least substantially in a dire... | 01/24/1984 |
| 4413686 | Wedge arrangement for locking together hammerhead and anvil When inserting a locking wedge (14) having planar wedge surfaces (16, 17) between an anvil (4; 5) and a hammerhead (1) or an anvil block lining (6) the wedge (14), which is provided with a draw head (18; 22) is drawn in between two mutually converging loc... | 11/08/1983 |
| 4350214 | Ram block A ram block for driving piles and the like into the ground has a lead mass (15) which is enclosed in an inner cylinder (10) and in the space between this and an outer cylinder (11). The cylinders are interconnected at the lower end of the ram block where ... | 09/21/1982 |
| 4335622 | Soil gas probe Provided is a soil gas sampling probe having shaft extensions, a removable hammer and anvil combination to drive the shaft into the ground, a pointed rotation resistant probe tip, and a movable septum holder.... | 06/22/1982 |
| 4293045 | Impacting device An impacting device useful with a pneumatic drive comprises a housing formed with an outer large-diameter bore and an inner small-diameter bore defining an annular shoulder at their juncture. A driving element within the large-diameter bore is limited aga... | 10/06/1981 |
| 4253706 | Magnetic breaker bar An improved drop hammer or slag breaker is disclosed for use with cranes equipped with electromagnets. The breaker combines a working end made of a specially shaped manganese steel body, which is non-magnetic, with a rounded magnetic metal lifting end or ... | 03/03/1981 |
| 4252472 | Fixing posts in the ground A peg device for the fixing of posts and stakes in the ground has a rigid member shaped to permit it to be readily driven into the ground and defining a housing which can receive a base portion of the post or stake. A preferred construction has a number o... | 02/24/1981 |
| 4226287 | Apparatus for pile driver cushion recoil In an apparatus for driving a pile or similar object by the stroke of a hammer, the impact of a hammer stroke is transmitted to the pile or similar object through resilient means comprising a precompressed gas in at least two closed chambers, which may in... | 10/07/1980 |
| 4132108 | Ram assembly for electromagnetic high energy impact apparatus An apparatus for utilizing electromagnetic energy for producing high impact forces by means of a ram propelled against a work piece. The work center of the apparatus includes a ram assembly of bolted construction having a hollow ram shaft, which ram assem... | 01/02/1979 |
| 4124090 | Bounceless seismic wave generator A seismic wave generator constructed of fungible high density elements contained within a flexible envelope is dropped to impact upon the ground and generate seismic waves for seismic investigations. The non-rigid construction minimizes or eliminates boun... | 11/07/1978 |
| 4106298 | Device for the production of earth holes A device which includes a ram and a tube, which device can be used for the production of earth holes and poles which are located in these holes and which poles are made of poured or compressed concrete and a process using this device.... | 08/15/1978 |
