Bizarre Patents
A beach chair which can be adapted for a woman who is pregnant and wishes to sunbathe in the prone position.
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 |
| 7387173 | Pile driver A pile driver including an apparatus for allowing relative movement between a hammer and a boom of an excavator. The apparatus includes a mounting plate mounted to the boom that interfits with and is slidable with respect to a frame rail mounted to the hammer. In op... | 06/17/2008 |
| 7337859 | Method and device for drilling a channel In a drilling method for creating a channel leading from surrounding soil into a shaft which is separated from the soil by a wall, a channel is drilled through the soil from a starting pit in the direction of the shaft using a first drill head. The first drill head ... | 03/04/2008 |
| 7320374 | Wellbore top drive systems A system for wellbore operations, the system, in at least certain aspects, including a derrick, a guide beam connected to the derrick, a top drive movable on the guide beam, torque reaction structure connected to the guide beam and to the derrick, skid apparatus hel... | 01/22/2008 |
| 7318491 | Apparatus and method for modified horizontal directional drilling assembly An apparatus and method for a modified horizontal directional drilling assembly for drilling pipe into a drilling surface. The drilling assembly comprises a power unit for supplying power to the assembly, a thrust frame adapted to be moved between a position substan... | 01/15/2008 |
| 7316280 | Method for producing earth boreholes In a method for producing and widening ground bores or for the destructive replacement of buried lines with the aid of a tool arranged at the end of a rod driven by a boring device, the rod is built up from individual sections which are to be connected to one anothe... | 01/08/2008 |
| 7278498 | Rotatable support for inclinable masts of drilling machines The rotatable support for inclinable masts of drilling machines includes a connecting element connected to the lifting mechanism of a drilling machine, and including two essentially parallel planar elements having an essentially triangular or trapezoidal shape, on t... | 10/09/2007 |
| 7231969 | Wellbore top drive power systems and methods of use A top drive system having a drive motor, a gear system coupled to the drive motor, a drive quill coupled to the gear system, a top drive support system for supporting the drive motor, the gear system, and the drive quill, a lower support apparatus connected to the t... | 06/19/2007 |
| 7228913 | Tubular clamp apparatus for top drives and methods of use An apparatus for releasably clamping and holding a member for wellbore operations, the apparatus having a main body, two opposed clamping apparatuses in the main body, the two opposed clamping apparatuses spaced-apart for selective receipt therebetween of a member t... | 06/12/2007 |
| 7222683 | Wellbore top drive systems An containerized top drive system including a container, top drive apparatus removably disposed within the container, an extension system for moving the top drive apparatus generally horizontally within a derrick, the top drive apparatus secured to the extension sys... | 05/29/2007 |
| 7188686 | Top drive systems A top drive system for wellbore operations including a hollow bore alternating current permanent magnet motor with a motor bore therethrough, a planetary gear system coupled to the motor, the gear system having a gear system bore therethrough, a quill drivingly conn... | 03/13/2007 |
| 6945336 | Rotational float for rotating equipment A rotational float system (44) that is meant to be used with existing side load protection systems and that may be selectively operated to permit a digger derrick rotation motor (20) or other rotatable equipment to freely rotate toward a side load to e... | 09/20/2005 |
| 6913096 | Top drive well drilling apparatus A top drive well drilling apparatus includes a body with means for suspending the body from a drilling rig. A motor is secured to the body. The motor has a central passage defining a rotational axis. The central passage is adapted to receive a tubular drive shaft. A... | 07/05/2005 |
| 6871710 | Rotational float for rotating equipment A rotational float system (44) that is meant to be used with existing side load protection systems and that may be selectively operated to permit a digger derrick rotation motor (20) or other rotatable equipment to freely rotate toward a side load to e... | 03/29/2005 |
| 6860338 | Device for displacing a load The invention concerns a device for displacing a load (14) comprising a mobile support (12) adapted to support a load and exert on the load a force in a given direction, and device for mechanical balancing (10) interposed between the mobile supp... | 03/01/2005 |
| 6793024 | Rock drilling rig A rock drilling rig has a carrier (1) provided with a service platform (7) arranged on a service boom (6). The service boom has a number of relatively movable boom sections (33, 36). The service platform (7) is connected to the ser... | 09/21/2004 |
| 6715564 | Hydraulic drilling rig A drilling rig (10) having a boom (12) supporting a leader (36). The leader (36) is pivotally attached to the boom and is moveable between a generally upright orientation and a generally horizontal orientation for the purposes of transpor... | 04/06/2004 |
| 6672805 | Systems and methods for driving large diameter caissons A system for driving a large diameter caisson into the ground, comprising a crane assembly, a plurality of vibratory devices, a clamp assembly, a suspension assembly, and a timing system. Each vibratory device generates a vibratory force. The clamp assemb... | 01/06/2004 |
| 6481507 | Doweling hole drilling machine A doweling hole drilling machine includes a vehicle such as a tractor having a frame pivotally mounted to the side of the tractor. The frame is moveable around an axis parallel to the longitudinal axis of the vehicle from a first horizontal orientation to... | 11/19/2002 |
| 6408956 | Feed system for a rotary drill tower A power feed system for a rotary drill includes a hollow tubular derrick having a powerhead connected to a flexible cable moved by a double rod hydraulic cylinder assembly. The derrick includes fixed and movable sheaving assemblies. The hydraulic rod asse... | 06/25/2002 |
| 6082469 | Doweling hole drilling machine A doweling hole drilling machine includes a vehicle such as a tractor having a frame pivotally mounted to the side of the tractor. The frame is moveable around an axis parallel to the longitudinal axis of the vehicle from a first horizontal orientation to... | 07/04/2000 |
| 5937952 | Feed shell positioning mechanism An improved feed shell positioning mechanism for a rock drilling machine, having a boom, a feed shell support pivotably mounted with respect to the boom and supporting a feed shell having a feed shell axis, a roll actuator interposed between the boom and ... | 08/17/1999 |
| 5746277 | Drilling apparatus Augering device is disclosed which is useful for drilling holes in the ground at various angles under relatively low overhead or ceiling conditions. The device is suitable for mounting on a wide variety of vehicles ranging from the bed of small pickup tru... | 05/05/1998 |
| 5551519 | Device for driving piles, preferably poles, into a foundation Device for driving piles, preferably poles, into a foundation. The device for ramming pole foundations limits idle times between ramming operations and takes the form of a self-propelled rail-road or dual purpose vehicle that can be driven on rails laid o... | 09/03/1996 |
| 5396964 | Apparatus and method for processing soil in a subterranean earth situs An apparatus for processing soil in a subterranean earth situs. The apparatus includes a parallelogram spotter or positioning portion with a drilling table support portion connected thereto. A rotary drilling table is mounted on the drilling table support... | 03/14/1995 |
| 5310011 | Vertical drilling boom A vertical drilling boom for a rock drilling equipment includes a vertical boom (2) mounted at its lower end turnably about a horizontal shaft (6) with respect to a carrier (1) of the rock drilling equipment. The vertical boom (2) comprises two boom porti... | 05/10/1994 |
| 5040927 | Pressure driver for pilings Apparatus that mounts on a standard construction vehicle, such as a crawler or a backhoe. The apparatus drives piles, including sheet piles, that typically are used for bulkheading and earth fortification. A hydraulic cylinder with a downward extendable p... | 08/20/1991 |
| 4915180 | Post driver A post driver has a combination of hydraulically operable orthogonal and angular mechanical carriages giving five degrees of motion of the driving hammer for the setting of posts in various soils and terrain slopes. Adjustment of the carriages allows accu... | 04/10/1990 |
| 4813498 | Active counterbalance for a power swivel during well drilling An active counterbalance for suspending a power swivel from a traveling block. The power swivel includes a motor drive assembly for rotating a drill string and a handling system for supporting a drill pipe. The counterbalance includes a motor which provid... | 03/21/1989 |
| 4809792 | Support system for a top driven drilling unit A top driven driling unit including a motor drive assembly for rotating a drill string and a handling system for supporting the drill string. The motor drive assembly includes a drill motor, a swivel bearing for supporting the load of the drill string dur... | 03/07/1989 |
| 4627499 | Mobile drilling machine A heavy duty, mobile drilling machine is disclosed based on a track type vehicle having a rotatable turntable, an operator station and other vehicle machinery being arranged along opposite sides of the turntable to form a central open channel, a boom bein... | 12/09/1986 |
| 4589503 | Top drive drilling apparatus with improved wrench assembly A top drive well drilling apparatus, having a drive unit for rotating a drill string. The drive unit is connected to a carriage, which guides the drive unit along a vertical guide track. A wrench assembly, for making and breaking connections between the s... | 05/20/1986 |
| 4572303 | Machine for extracting, rough shaping and squaring blocks of stones, marbles and granites, particularly in quarries The machine comprises an automobile vehicle provided with a pivoting boom to which is pivotably mounted a beam carrying a pivotally mounted swingle-bar to which is coupled a rotary plate for supporting a frame provided with guiding uprights for a sawing u... | 02/25/1986 |
| 4499953 | Apparatus for drilling rock A rock drilling machine is swingably carried on a pivotable drill boom. The rock drilling machine is fed along a drilling axis in response to a feeding movement applied by the drill boom. A set angle value is fed to a servo control system. During drilling... | 02/19/1985 |
| 4465144 | Drill rig mast structure The invention relates to a mobile drilling rig providing a rotation head which is small enough to fit between the mast members of the rig. Arrangements are made to pivot back the rotation head to give access to the drill line of the rig. The mast members ... | 08/14/1984 |
| 4421179 | Top drive well drilling apparatus Well drilling apparatus including a powered drilling unit connectable to the upper end of a drill string and adapted to rotate it to drill a well, and a vertically extending guide track structure which guides the drilling unit for movement along the axis ... | 12/20/1983 |
| 4393944 | Drill rig The invention relates to a mobile drilling rig providing a rotation head which is small enough to fit between the mast members of the rig. Arrangements are made to pivot back the rotation head to give access to the drill line of the rig. The mast members ... | 07/19/1983 |
| 4311347 | Drill steel guide A drill steel guide or clamp for use with mine roof drilling and bolting machines which guides and clamps the drill steel relative to a standard but which can be kicked out of the way by the advancing drill pod after which time the guide is no longer requ... | 01/19/1982 |
| 4195698 | Machine for driving vertical members A building machine wherein a leader is supported vertically during an operation, an endless chain is engaged around upper and lower sprockets of said leader, and a base body is mounted on said chain and is forced to move vertically along said leader. A pi... | 04/01/1980 |
| 4100973 | Side load protection arrangement for rotating equipment A brake release arrangement by which damage which otherwise would result from the application of excessive side loading to rotating equipment such as the boom of a digger derrick or crane is avoided. The drive system for rotating the boom includes a hydra... | 07/18/1978 |
| 4074774 | Drilling assembly A drilling machine and relatively small mast are mounted on a pivotal support which permits the drilling machine, mast and drill pipe employed in the assembly to be inclined as required to drill a non-vertical bore hole. The drilling machine is preferably... | 02/21/1978 |
