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| Number | Title | Issue Date |
| 8074870 | Animal herding device An animal herding device has an elongate tubular body portion adapted to avoid kinking thereof, a hand gripping member at one end and a noise making member at the other end. The body portion may be internally reinforced with a rope or like means. The body portion ma... | 12/13/2011 |
| 7645962 | Portable grounding mat with improved terminal This invention relates to a portable grounding mat, and more particularly to a mat specifically designed to protect electrical workers by providing a zone of equi-potential. The mat has a flexible base to which is attached at least one conductive element laid out in... | 01/12/2010 |
| D591545 | Portable grounding mat edge | 05/05/2009 |
| 7360827 | Automobile sunroof deflector assembly A deflector assembly for an automobile sunroof (60) has an elongate acrylic visor (40) for, deflecting air from the sunroof and, a pedestal (150a) mountable to each end of the visor to form the deflector assembly. Each of the pedestals is... | 04/22/2008 |
| 7266953 | Stacked condensing assembly A condensing assembly for urging condensation of a vapour into a liquid has a vertically stacked modular array of horizontal condensation units exposed to a heat transfer medium. Each condensation unit has a cooling chamber, a plurality of hollow legs and necks acce... | 09/11/2007 |
| D515143 | Handle for display signs | 02/14/2006 |
| 6994336 | Counter-mountable cutting board A cutting board has a cutting platform and a clamp assembly to securely mount the cutting board to a counter edge. The cutting platform has an elevated planar cutting surface supported on a narrower base. The cutting board includes a removable receptacle for locatio... | 02/07/2006 |
| 6969052 | Air aspirator-mixer A single port venturi device is provided for aeration of wastewaters containing suspended solids. The device has a non-obstructive design which prevents attachment or accumulation of suspended solids, and promotes even air distribution for efficient aspiration of ai... | 11/29/2005 |
| 6892427 | Retaining clips A clip for retaining an accessory on an edge of an automobile member has a block element for location adjacent the edge of one side of the automobile member. The clip has a plug for engaging a hole in the accessory and extending into an aperture in the block element... | 05/17/2005 |
| 6764404 | Drive shaft coupling device An improved drive shaft connecting device, including a novel shear bolt (50) for connecting two ends or flanges (42, 44) of the drive shaft connecting device in a manner whereby the separate parts of the drive shaft connecting device are securely conne... | 07/20/2004 |
| 6752192 | Label release and separation system A system for releasing and separating labels from containers has a releaser for mixing the containers with introduced fluids and for providing the containers with a sufficient retention time and agitation to clean the containers and release the labels therefrom. The... | 06/22/2004 |
| 6745502 | Rail mounted excavating unit and ballast storage vehicle A rubber tired railway plow (100) has a plow unit (102) mounted to a plate (111) which extends across the forward end of the rubber tired vehicle (100). The plow unit (102) is attached so as to be movable on the plate (111).... | 06/08/2004 |
| 6623252 | Hydraulic submersible insert rotary pump and drive assembly A hydraulic submersible rotary pump and drive assembly is deployed and recovered through production tubing or casing using metal hydraulic tubing lines. The assembly is used in conventional oil and gas well bores, but is particularly advantageous in slant... | 09/23/2003 |
| 6609565 | Trolley and traveling block system A trolley hoisting system for use in a rig has a derrick mounted to the rig, a winch line extending from an upper end of the derrick, and a traveling block located at one end of the winch line. An injector trolley has at least one cavity for allowing the ... | 08/26/2003 |
| 6543554 | Adjustable housing for a mud motor There is provided an adjustable housing for use with a drill string for controlled directional drilling of a well hole. The housing includes an upper sub and a lower sub each having a first portion extending along a primary axis and a second portion exten... | 04/08/2003 |
| 6431286 | Pivoting injector arrangement An injector arrangement for use in a rig has a movable carrier, a derrick tiltably mounted to the carrier, and a trolley capable of sliding along the derrick. An injector cradle is movable along the trolley in at least a plane perpendicular to the derrick... | 08/13/2002 |
| 6381979 | Dual containment condensation assembly An assembly for condensing a vapour and storing the resulting condensed liquid has a condensation unit for condensing the vapour which is located above a dual containment storage tank for storing the resulting condensed liquid.... | 05/07/2002 |
| 6338310 | Control console and seating arrangement for motorized watercraft A novel rotatable seating arrangement for a motorized watercraft has an integral console with instrumentation and watercraft controls thereon to allow the watercraft's operator to control operation of the watercraft from one location, and to perform other... | 01/15/2002 |
| 6272713 | Internal pipe cleaning device The invention is an elastomer device with a generally spherical shape for cleaning pipelines and has the ability to reduce in size for changes in pipe internal diameter due to wall thickness changes and provides a cleaning and scraping ability. In particu... | 08/14/2001 |
| 6142712 | Hollow screw-in pile A pile is provided for installing poles in loose soils such as marshes, muskegs or granular soils. The pile is hollow, cylindrical and open-ended. It uses a serrated bottom end for cutting through the ground, and has retainment slots at its top end for sl... | 11/07/2000 |
| 6070500 | Rotatable die holder A jaw assembly is provided for a power tong or back-up tong to make up and break out a pipe section. The jaw assembly includes a jaw element for transferring torque from the tong to the pipe section, and a means for moving the jaw element into and out of ... | 06/06/2000 |
| 6068065 | Roller attachment for road grader An attachment assembly is provided for quickly and conveniently mounting a roller onto and immediately ahead of an elongate blade of a road grader or other vehicle which manipulates and moves the blade over a ground surface. The portable roller has an elo... | 05/30/2000 |
| 6052962 | Dowel support for bent-up reinforcement bars and process for the production thereof A studrail for shear reinforcement for reinforced concrete slabs is composed of a spacing rail (5) and a plurality of studs (6) which are arranged in parallel at a certain distance and provided with enlarged dish-like anchor heads (8) at both ends. The sp... | 04/25/2000 |
| 6003412 | Back-up tong body A back-up tong is provided for use with a power tong to make up and break out longitudinally adjoining pipe sections. A torque arm engages the back-up tong and power tong to transfer torque therebetween, and a load cell is provided to measure the torque. ... | 12/21/1999 |
| 6003598 | Mobile multi-function rig A mobile hybrid rig adapted to run coiled tubing (CT) and wireline equipment for oil and gas wells can also accommodate conventional joined pipe for drilling of shallow wells. The rig incorporates: a chassis and power unit for rig transport; an adjustable... | 12/21/1999 |
| 6004114 | Hydraulic submersible pump for oil well production A flow control assembly is provided for a submersible pump drive which has a hydraulic drive motor and a bearing pack for sealing a drive shaft which transfers drive from the drive motor to an oil well pump. The flow control assembly incorporates a produc... | 12/21/1999 |
| 6000391 | Positive air flow ventilation system A ventilation system for urging flue gases from an exhaust source through an exhaust conduit has an exhaust outlet for venting the gases and an exhaust inlet communicating with the exhaust source. A blower fan is provided for creating a positive air flow ... | 12/14/1999 |
| 5972061 | Wellhead separation system A compact system is provided for removing liquid from a gas stream exiting a natural gas wellhead. The system has an inlet pipe string communicating with the wellhead for delivering the gas stream therefrom. An elongate, generally cylindrical gas-liquid s... | 10/26/1999 |
| 5971009 | Dual containment assembly A containment assembly for storing a liquid substance above a ground support surface has an inner tank for receiving and storing the liquid and an outer tank surrounding the inner tank and forming a first air space therebetween for trapping any of the liq... | 10/26/1999 |
| 5965021 | Hydrocyclone There is provided a hydrocyclone which operates on a relatively low pressure differential and on a linear flow principle. The hydrocyclone comprises an inlet chamber with a vortex creating a spiral insert therein, which inlet chamber opens in to a frustoc... | 10/12/1999 |
| 5957199 | Natural gas production optimization switching valve system A process for optimizing natural gas production from a well in the presence of liquids is provided where the well has a casing and a tubing landed therein for producing gas and removing the liquids. The process involves the steps of: opening the casing fo... | 09/28/1999 |
| 5941105 | Hub locking mechanism A locking hub assembly has a hub rotatably engaged to a vehicle's non-rotating axle and a manually controlled actuator for selectively switching the hub assembly between an engaged position for rotatably fixing the hub to the axle and a disengaged positio... | 08/24/1999 |
| 5938991 | Process for placing color graphics in ice A process for placing a color graphic image in an ice structure requires a substrate of material which is suitable for use in a four-color (CMYK) printing method, which generally retains its shape upon exposure to water or aqueous solution, and which is a... | 08/17/1999 |
| 5931258 | Extendible safety posts for manhole ladders A retractable safety post for facilitating access in and out of a manhole is slidably attached to each side rail of a wall-mounted ladder. Each post slides within a tubular sleeve fixed to the side rail and is selectively movable between a retracted or st... | 08/03/1999 |
| 5918451 | Dual lifting system for rotary hay raking machine A hay raking machine of the present invention for attachment to a tractor with a single point hitch has a lifting mechanism for lifting the hay raking machine above cut hay laying on the ground while keeping the rake arms substantially level to the ground... | 07/06/1999 |
| 5848884 | Flare vent ignition assembly In an ignition assembly for a flare vent having an open terminal end for venting waste gases, a hollow tubular stripper is located adjacent a generally upright exterior wall of the flare vent and has a lower opening and an upper opening proximate to the t... | 12/15/1998 |
| 5845657 | Hair styling device A hair foundation device for lifting, guiding and holding hair on a user's head has a hollow inner cup within a hollow open ended outer casing. The inner cup has a tubular outer surface, an open bottom end for locating adjacent the user's head, and an opp... | 12/08/1998 |
| 5835332 | Portable protective grounding mat This invention relates to a portable grounding mat, and more particularly to a mat specifically designed to protect electrical workers by providing a zone of equi-potential. The mat comprises a flexible base to which is attached at least two conductive el... | 11/10/1998 |
| 5816217 | Diesel engine air/fuel ratio controller for black smoke reduction A controller for mechanically setting a diesel engine's air/fuel ratio at a stoichiometric value to reduce black smoke emissions by regulating the quantity of fuel injected into a diesel engine's combustion chamber in response to the quantity of air flow ... | 10/06/1998 |
| 5791826 | Embankment retaining wall system In an assembly for constructing a multi-tiered retaining wall to support a backfilled embankment, at least one generally planar backfill retaining wall panel has opposed top and bottom edges, and opposed parallel side edges. Each wall panel spans between ... | 08/11/1998 |
