Celebrity Inventors
Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 8069929 | Impact tool An impact tool includes: a spindle disposed in a housing; an anvil disposed in front of the spindle and rotatably supported by the housing through a metal bearing, a rear surface of the anvil having a bearing hole in which a front end of the spindle is received; an ... | 12/06/2011 |
| 7980322 | Impact adapter for a rock drill An impact adaptor to convert a rock drill to an impact driver is described. The impact adapter has a boom coupling for securing the adapter in co-operating alignment with the shank of a drifter. The adapter has a casing for slidingly receiving and guiding an anvil t... | 07/19/2011 |
| 7980321 | Anvil for a power tool The present disclosure relates to an anvil, an anvil and socket combination and an anvil attached to a power tool. The anvil structure includes a drive head with an end and a body portion having a channel spaced there between. A friction ring is retained in the chan... | 07/19/2011 |
| 7438139 | Tool retention apparatus and method A tool assembly (10), for example a hydraulic or pneumatic hammer assembly, includes a housing (11) defining a chamber (16), a removable reciprocating work tool (20) arranged in the chamber, and a tool retention member (80) having ... | 10/21/2008 |
| 7416031 | Impact tool An impact tool comprising a motor, a hammer 8 that is rotated and axially moved by a drive force of the motor, an anvil 3 that repeats engagement/disengagement from the hammer 8 accompanying rotation and axial movements of the hammer 8, a... | 08/26/2008 |
| 7410010 | Hydraulic impact mechanism A hydraulic impact mechanism includes a housing with a cylinder bore, a forward working chamber and a rear working chamber, a hydraulic fluid supply passage connected to the forward working chamber and a drain passage connected to the rear working chamber, a hammer ... | 08/12/2008 |
| 7404449 | Pile driving control apparatus and pile driving system A pile driving control apparatus for a pile driving system includes a hydraulic control system that controls a throttle of a pile driving hammer, and thereby controls an impact velocity of the hammer with a pile. A controller provides a control signal to the hydraul... | 07/29/2008 |
| 7353889 | Rotary driven pipe-bursting tool An apparatus for bursting pipe is preferably adapted to receive rotational energy from the inner member of a dual-member drill string. In a preferred embodiment, a plurality of pipe-bursting members, driven by the interconnected inner members, cut or burst a subterr... | 04/08/2008 |
| 7328753 | Hydraulic breaking hammer with lubricated implement guide sleeve A hydraulic breaker hammer includes a housing with a longitudinal bore, a cylinder sleeve, and a rear end cover engaging the cylinder sleeve. A hammer piston is reciprocally powered in the cylinder sleeve for delivering blows to a working implement inserted in a gui... | 02/12/2008 |
| 7325601 | Shaft locking couplings for submersible pump assemblies An electrical submersible pump assembly has first and second modular component sections, each of the sections having an outer housing and an inner shaft member. A coupling sleeve having a bore is disposed between the modular component sections and receives the shaft... | 02/05/2008 |
| 7320490 | Impact handle for shovels and related hand tools An impact handle for a shovel and other tools to assist the user or laborer in digging and/or moving material such as dirt or snow, or other compacted materials. An impact handle with a shovel attachment would have similar physical features as generic shovels on the... | 01/22/2008 |
| 7303027 | Grounding rod driving system A grounding rod driving system for facilitating installation and extraction of a grounding rod includes a sleeve slidably receiving a grounding rod. The sleeve slides along the grounding rod when the grounding rod is being driven into a support surface. A driver is ... | 12/04/2007 |
| 7258350 | Chuck for receiving a rotary-percussion tool A chuck for receiving a working tool (2) rotable about a longitudinal axis (A) includes a receiving sleeve (3) having a guide surface (12) extending along the longitudinal axis (A) and at least three, axially extending, up to a free end surface ... | 08/21/2007 |
| 7252155 | Percussive power tool with flushing head A power tool (1) having a striking means (5), by which a percussive tool (2) that can be driven at least partially along an axis (A) struck directly and having a flushing bore (4) extending at least partially longitudinally through a tool... | 08/07/2007 |
| 7252158 | Pilot valve for a pneumatic tool A pneumatic tool (20) for impacting a workpiece (22) is provided. The tool (20) comprises a casing (42) defining a chamber (48). A piston (54) is slidable within the chamber (48) along an operational axis (A). An exha... | 08/07/2007 |
| 7210555 | Low frequency acoustic attenuator for use in downhole applications An acoustic attenuator includes a housing having an inner side surface which defines an interior chamber and at least one dampening member both physically and acoustically coupled to the housing and projecting into the interior chamber. Acoustic energy propagating w... | 05/01/2007 |
| 7207633 | Scaling assembly A scaling apparatus comprises a hammer component and a pick component which includes a tooth. The apparatus also includes a mechanism for moving the pick component with respect to the hammer component to thereby impart a scaling force to and through the tooth. In a ... | 04/24/2007 |
| 7198116 | Wholly air-controlled impact mechanism for high-speed energy-accumulating pneumatic wrench A wholly air-controlled impact mechanism invented for creating a more compact and powerful pneumatic wrench comprises a flying hammer, a pressure impulse generator and a pressure container containing the hammer and the generator. The main part of the flying hammer i... | 04/03/2007 |
| 7174824 | Control valve in a percussion device and a method comprising a closed pressure space at the end position of the piston The invention relates to a control valve, a percussion device and a method of controlling a working cycle of a percussion device. The percussion device (1) used for breaking rock comprises an impact element (8), which is controlled by a control valve (... | 02/13/2007 |
| 7156190 | Impact tool An impact tool has a slidable hammer that is driven by hydraulic oil under pressure inside a chamber. The hydraulic oil is pressurized by a piston driven by compressed gas on the opposite side of the piston from the hydraulic oil. The gas in the gas chamber is compr... | 01/02/2007 |
| 7156188 | Pile driver with energy monitoring and control circuit A pile driver comprises a hammer for impacting a pile, a velocity sensor for measuring the velocity at impact, and a control system for adjusting the hammer stroke in accordance with the readings from the velocity sensor so that the optimal impact energy is imparted... | 01/02/2007 |
| 7152692 | Hydraulic hammer having a sealing bushing A hydraulic hammer having a sealing bushing includes a percussion piston that delivers strokes to a tool. A lower part of the percussion piston is sealed with respect to a frame by the sealing bushing, which includes one or more lower seals. The sealing bushing does... | 12/26/2006 |
| 7152694 | Post driver A post driver is powered by a pair of hydraulic cylinders, one on either side of the hammer to provide a balanced lifting force to the hammer. A post retaining cap is formed to provide a recess for the post. The orientation of the driver may be controlled about a ho... | 12/26/2006 |
| 7121357 | Method of inserting a grounding rod A method of inserting a grounding rod includes providing an elongated grounding rod that has an upper end and a lower end and also providing a hammer drill. An elongated tubular member has an open first end and an open second end. The tubular member includes a first... | 10/17/2006 |
| 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 |
| 7111690 | Manual slide post driver and extractor for âTâ-type metal or fiberglass or plastic posts A post driving device is disclosed. The post driving device slides to a desired position and is essentially locked in place through frictional force. As the post is driven into the ground, the device can be adjusted to a new position along the length of the post. | 09/26/2006 |
| 7109675 | Power tools Battery-powered tools may include battery 1 or battery pack BP and a drive source (e.g., motor M) for generating power using current supplied from the battery. A switch 3 may electrically connect the battery to the drive source. A voltage detector may ... | 09/19/2006 |
| 7104731 | Divisible pile sleeve A pile driving device for driving in piles, with an axially-guided impact body movable in a hammer housing, an impact hood and a pile sleeve. So that the pile driving device can be transported by land without requiring surveys and preparation, the pile sleeve compri... | 09/12/2006 |
| 7096972 | Hammer drill attachment Power tools of the type under consideration include hammer drills, for example, which are electric or battery powered and includes two modes of operation: a rotation mode and a rotation-hammer mode. A manually operable selector lever enables the hammer drill to be s... | 08/29/2006 |
| 7090032 | Electric power tool An electric power tool includes a housing, an inner case and a hammer case. The housing receiving a motor has a pair of half portions. The inner case receives a planetary gear train. An input side of the planetary gear train is connected to a drive shaft of the moto... | 08/15/2006 |
| 7063172 | Grounding rod driving device A driving assembly includes a driving device that is slidable along one or more vertical supports as the driving device drives a driving member into an object. The driving assembly may be suspended from a crane or other overhead support, whereby the vertical support... | 06/20/2006 |
| 7059425 | Reciprocating power tool It is an object of the present invention to provide a reciprocating power tool having a further improved power transmission mechanism for converting a rotating output of a driving motor into linear motion in the axial direction of the tool bit. According to the pres... | 06/13/2006 |
| 7059423 | Jackhammer system A jackhammer system for reducing the vibration and noise experienced by an operator of the jackhammer. The jackhammer system includes a housing, a chisel movably positioned within a lower neck of the housing, a pair of flywheels rotatably attached to a pair of suppo... | 06/13/2006 |
| 7059424 | Apparatus for rotating a threaded closure device An apparatus for rotating a threaded tightening device includes a guide and an anvil utilized to impact a lug on the threaded tightening device to rotate the tightening device onto or off of a threaded member. The guide has a frame with a support sleeve attached the... | 06/13/2006 |
| 7055621 | Method and apparatus for replacement of underground pipe An impactor for use with a directional boring machine for replacement of underground pipes includes a bursting head having a rearwardly opening recess and a front end opening that communicates with the recess. An inlet pipe is connected at its front end to a distal ... | 06/06/2006 |
| 7048073 | Fastener installation systems A fastener installation tool to install fasteners, such as rivets, risers, standoffs, and other types of fasteners operates upon vacuum and air pressure. Fasteners are installed with minimal reactive forces to the operator's hand, thus reducing the risk of repetitiv... | 05/23/2006 |
| 7032683 | Rotary hammer A rotary hammer and a power tool. The rotary hammer is operable in an idle mode and a hammer mode and comprises a housing and a barrel positioned in the housing and having a forward portion. A ram is positioned within the barrel and is movable relative to the barrel... | 04/25/2006 |
| 7028786 | Hand machine tool A hand power tool has a housing (10), a hammer barrel (12), a tool receptacle (14) that is separated from the hammer barrel (12) at least one locking body (16) for fixing the tool receptacle (14) in a direction of rotation (... | 04/18/2006 |
| 6932164 | Double-headed tent stake driver and puller A double-headed tent stake driver and puller is provided for inserting and removing tent stakes, nails and the like. The double-headed tent stake driver and puller includes a slide hammer and a coupler mounted on the distal end of the slide hammer shaft. The coupler... | 08/23/2005 |
| 6932166 | Pneumatic tool A pneumatic tool (20) for impacting a workpiece (22) is provided. The tool (20) comprises a casing (42) defining a chamber (48). A piston (54) is slidable within the chamber (48) along an operational axis (A). An exha... | 08/23/2005 |
