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| Number | Title | Issue Date |
| 8043041 | Manhole cover lifting apparatus and method A manhole lifting apparatus comprising a base support assembly and a lifting mechanism. There is a beam structure which extends over the manhole, with a pivot support at one end of the beam structure, and a mobile support at the opposite end of the beam structure. T... | 10/25/2011 |
| 7597527 | System and method for transporting an object in multiple directions According to one embodiment of the present invention, a system operable to transport an object, comprises a frame, a frame transport system, a securing system, an object lift system and a sideways drive system. The frame transport system moves the frame in a plurali... | 10/06/2009 |
| 7544035 | Manhole cover lift The disclosure includes an apparatus for moving a manhole cover comprising a lever having an engaging end, a linkage connected to the engaging end of the lever, and at least one magnet connected to the linkage and engageable with the manhole cover, wherein the lever... | 06/09/2009 |
| 7503743 | Manhole cover lift An apparatus for moving a manhole cover comprising a lever having a first lever arm pivotally connected to a second lever arm by a hinge for movement between a collapsed position, wherein the first lever arm is substantially parallel to the second lever arm, and a p... | 03/17/2009 |
| 7357848 | Deheader valve installation system and method The present invention features an installation system for facilitating the installation and removal of a closure onto and from a pressure vessel, respectively. The installation system comprises a fixed support structure constructed proximate a pressure vessel; a car... | 04/15/2008 |
| 7316762 | Dynamic flange seal and sealing system The present invention features a flange to flange dynamic seal and sealing system, particularly suited for use within high temperature, high pressure environments, such as a delayed coking process. The dynamic flange seal and sealing system comprises two primary ele... | 01/08/2008 |
| 7243905 | Heavy object lifting apparatus and method A lifter with an adjustable wheel base comprising a lever assembly, an adjustable axle assembly, and a lifting assembly. The lifting assembly may be magnetic and may additionally comprise safety cables having other attachment means. ... | 07/17/2007 |
| 7201532 | Method and device for adjusting height of manhole A method and a device for safely and efficiently adjusting the height of a manhole freely allowing the addition and removal of a height adjusting member at any position. The method and device may be used for the manhole formed by installing a tubular shaped frame in... | 04/10/2007 |
| 7189310 | Coke chute systems and methods therefor Improved coke chute systems (100) include a lock (130) that receives and automatically secures a coke-receiving conduit (110) to a coke vessel after the lock (130) is switched to a closed position. Contemplated systems may further be comb... | 03/13/2007 |
| 7147424 | Automatic door opener A wafer carrier opener is provided. The wafer carrier opener may eliminate the use of two separate actuators by using a four-bar linkage mechanism. The wafer carrier opener includes a wafer carrier door receiver, a horizontally stationary member, and a link coupled ... | 12/12/2006 |
| 7077618 | Device for lifting and removing oven doors of a cooking oven The invention relates to a device for lilting and removing oven doors of a coking oven that is comprised of a door removing head (1), which can be coupled to vertically extending oven doors of a horizontal chamber coking oven, of a drive device (3) for... | 07/18/2006 |
| 7008165 | Door lifting apparatus and method A door lifting apparatus includes a frame and a lift mechanism. The lift mechanism includes a slide assembly and a lever assembly. The slide assembly includes a vertical bar, a door support beam supporting a plurality of door holders, and a horizontal bar that are m... | 03/07/2006 |
| 6964727 | Coke drum bottom de-heading system The present invention features a coke drum de-heading system comprising (a) at least one coke drum having an orifice therein; (b) a de-header valve removably coupled to the coke drum designed to de-head the coke drum; and (c) an exchange system, including an upper a... | 11/15/2005 |
| 6945742 | Portable manhole cover remover A manhole cover remover, including an attachment; a support; a pivot arm having a proximal end hinged to the support and the pivot arm having a distal end; a connector joining the attachment to the distal end of the pivot arm; a winch joined to the distal end of the... | 09/20/2005 |
| 6808602 | Coke drum bottom head removal system A coke drum bottom head removal system and method for deheading the bottom head cover of a coke drum comprises a carriage that is positionable beneath the bottom head cover, and a cart mounted to the carriage. Several clamps vertically mounted to the cart are positi... | 10/26/2004 |
| 6786343 | Portable lift, support and/or installation system and method A system and method for portable lift, support, and/or installation is disclosed which permits and enables these various functions without the need for external crane/lift machinery. The system comprises a channel member (201) attaching means and associated c... | 09/07/2004 |
| 6676111 | Universal manhole cover engaging tool A portable apparatus for displacing a manhole cover from a manhole where the manhole cover includes an engaging surface. The portable apparatus includes a leg having a first end and a second end and a shaft attached to the first end of the leg such that t... | 01/13/2004 |
| 6273664 | Coupling system for the transfer of a confined planar object from a containment pod to an object processing unit A coupling system for the transfer of a flat object from a confinement box towards a processing unit for processing the flat object. The coupling system includes a first shutter, at least one second opening, a second shutter, and a third shutter associate... | 08/14/2001 |
| 6244812 | Low profile automated pod door removal system An automated door removal and replacement system utilizes a combination of linear and rotational drive to remove a door of a wafer supporting device and store the door below the device. In one embodiment, the wafer-supporting device is a Front Opening Uni... | 06/12/2001 |
| 6053688 | Method and apparatus for loading and unloading wafers from a wafer carrier A wafer handling apparatus and method includes a wafer carrier station for supporting a wafer carrier, such as an enclosed pod, that holds one or more wafers. A grounded interface panel is provided between the carrier station and a clean testing or proces... | 04/25/2000 |
| 5951237 | Device for lifting, pivoting, and rotating a heavy piece of equipment In a device for lifting, pivoting and rotating the cover (5) of a vacuum container (14) of a crystal drawing apparatus, the device being equipped with a bolt (26) held by a stationary part (15) of the apparatus and extending vertically upward, a sleeve (2... | 09/14/1999 |
| 5674045 | Manhole cover moving apparatus and method A lifting and moving portable apparatus and method that includes a beam extending across the manhole cover supported at one end by a pivot member resting on the surface outside the manhole periphery and supported at the other end by a pair of wheels ridin... | 10/07/1997 |
| 5669751 | Transport system for workpieces A machine guard has an opening with a detachable door; i.e., sliding tracks and hinges are not used for door support. When an outside loader arm and its part grippers move to the door, the door is unlatched from the guard and attached to the arm. The arm ... | 09/23/1997 |
| 5564340 | Coke oven rail car with drive control system for positioning the car and door extractor which compensates for thermal distortion of oven jambs A coke oven door extractor is mounted on the rail car and includes door engaging supports movable in individually differing amounts relative to a plane parallel to and including the door jamb and a door jamb height axis of symmetry and movable vertically,... | 10/15/1996 |
| 5500094 | Coke drum deheading device A vessel unheading device and method especially suited to handle shot coke produced in a delayed coker unit of a petroleum refining process. The device includes a car having mounted thereon one or more bottom head retracting support members which can be l... | 03/19/1996 |
| 5462385 | Manhole cover tool A hand-operated tool for removing and replacing a wide variety of different manhole covers is disclosed. The tool includes a handle which extends upward from slip-resistant feet. A collar with forward extending ears attaches to the lower, central region o... | 10/31/1995 |
| 5393195 | Method and arrangement for automatically refueling automotive vehicles A method and apparatus for opening and closing a cover-plate on an automotive vehicle, wherein the plate lies in line with the vehicle outer body panel and can be swung between an open and a closed position about a vertical or horizontal hinge axis and co... | 02/28/1995 |
| 5382131 | Tool for manipulating heavy objects A carriage supported tool for manipulating a heavy object including a mobile carriage assembly having a carriage supported on wheels, an elongated operating arm, and an elongated clamp-assembly support boom. Both the boom and the arm are attached to the c... | 01/17/1995 |
| 5228825 | Pressure vessel closure device There is disclosed a flange or pressure vessel closure device and method for deheading a coke drum. The coke drum deheading device has an annular retaining element spring biased from a lower flange of a coke drum, and a plurality of hooks which extend fro... | 07/20/1993 |
| 5125786 | Device for lifting manhole covers The invention is a dolly on wheels for lifting and moving manhole covers. The dolly has a pivotal sleeve into which a lifting bar fastens and a bottom plate with a crooked tail on its bottom side. The lifting bar has a pointed end which is used in conjunc... | 06/30/1992 |
| 4960358 | Bottom-unheading device and method for vertical vessels A bottom unheading device adapted for unheading vertical vessels such as coking drums. The unheading device includes a cover unit adapted for attachment to a lower flange of a coking drum and which is fastened by a plurality of swing bolts which are disco... | 10/02/1990 |
| 4946336 | Device for contact-free pivoting of a structure member A device for pivoting a structural member about the axle of a hinge, and hinge being fitted to the structural member and to an object so as to permit pivoting of the member relative to the object, the member having at least one edge portion which is magne... | 08/07/1990 |
| 4928927 | Lifting mechanism for heavy street gratings A lifting mechanism is provided to unseat and lift manhole covers and gratings and to replace them after servicing, easily and safely. The mechanism includes a frame, winches, cables, and hooks to lift and lower the covers and gratings. The mechanism also... | 05/29/1990 |
| 4884938 | Apparatus for handling large-sized articles An apparatus for handling a large-sized article such as a window assembly for a car has a carriage movable three-dimensionally in X-, Y- and Z-directions, and a vacuum holding device tiltably and fixably secured to the carriage. This apparatus conveys the... | 12/05/1989 |
| 4865513 | Portable manway cover handling apparatus A boom is mounted within a sleeve for longitudinal translation and the sleeve is hinged to a base plate that is securable by a C-clamp to a superstructure beam in front of a manway cover. An hydraulic actuator bears against the sleeve to adjust its elevat... | 09/12/1989 |
| 4838521 | Apparatus for manipulating manhole covers A lifting tool for heavy, flat, round covers, such as manhole covers, is disclosed. The covers include two pairs of diametrically opposed edge notches. The lifting tool comprises an upright column, the lower end of which terminates in a first pair of pron... | 06/13/1989 |
| 4826388 | Manhole cover lifter The present invention provides a manhole cover lifter having a key to be located in the manhole keyhole and a lever arrangement to provide the mechanical advantage for lifting the manhole cover. The key may be directly attached to the lever, or indirectly... | 05/02/1989 |
| 4757608 | Door installing apparatus in vehicle assembling line A vehicle body assembling line includes a door installing station where vehicle side doors are installed on the body. In the installing station, there is an installing robot which is planned to operate in a predetermined sequence to install the doors on t... | 07/19/1988 |
| 4702666 | Apparatus for opening and closing a vehicle door which is located in a line for manufacturing a vehicle An apparatus for automatically opening and closing a door of a vehicle body which is transferred by a conveyor or is stopped at a predetermined position in a manufacturing process. The apparatus accurately controls the opened angle of the door with the gu... | 10/27/1987 |
| 4668153 | Apparatus for posting materials into and out of enclosures An apparatus for posting materials into and out of an enclosure through a port in a wall of the enclosure. A container for the materials has a lid engageable with a door for the port and the container is supported in a cradle. An interlock bar extends bet... | 05/26/1987 |
