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Attorney: Lesperance; Pierre, Martineau; Francois


Number of patents: 78
Last date: January 02, 1996

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NumberTitleIssue Date
5480255Impact-absorbing barriers for highways
The road-guard construction comprises a first wall of superimposed whole tires disposed horizontally in vertical rows and horizontal columns. A second wall of superimposed half tires--which are cut circumferentially along their tread path, is also dispose...
01/02/1996
5469579Head cooling device
A head cooling device for mounting over a person's head, generally within a headgear or a safety helmet. The device comprises: a housing, defining a main body enclosing a generally closed pocket, for containing ice cubes therein, a mouth, at one end of th...
11/28/1995
5464002Archery armguard device
An armguard device for use with an archer's compound bow, the compound bow of the type including an arcuate frame tensioning a bowstring and from which transversely projects an elongated, elbowed stabilizer shaft. The armguard device consists of: a slider...
11/07/1995
5447758PVC sheet screen printing process
A screen printing process for providing long-lasting, visually-appealing images on PVC sheet material such PVC venetian blind slats, through use of a computer hardware and CAD/CAM and computer color-matching software. The process, which is for ink-printin...
09/05/1995
5445424Automatic arrow extractor
A device for extracting arrows from a target, the device having a frame defining a channel adapted to receive the shaft of an arrow to be extracted, gripping elements are moveable into and out of a gripping relationship with respect to an arrow shaft in t...
08/29/1995
5425221Apparatus for loading flexible tubing with bales
Bales of hay or the like vegetable material are successively loaded on the frame of a wheeled vehicle and actuate a trip plate which causes a pusher plate to push the bale into the open ended portion of a long plastic flexible tube held folded on an arch-...
06/20/1995
5425781Ankle connector for prosthetic foot
An exoskeletal (or endoskeletal) ankle connector for use in fixedly securing a prosthetic foot to a prosthetic leg. The foot has an elongated cantilever spring type keel. The keel defines an elongated forefoot part, an ankle part and a heel part merging t...
06/20/1995
5421759Dynamically balanced bouyant skis
A pair of buoyant skis are used by a person over a body of water for forward motion thereover by reciprocating motion of the skis in alternate fashion. Each ski is a mirror image of the other and includes an elongated, box-like hull, inwardly lined with b...
06/06/1995
5415155Modular element with multiple conduits
This modular element has several conduits disposed side by side, each pair of adjacent conduits being interconnected to form a rigid or flexible unit, each conduit has a male end and an opposite female end, the latter for joining with the male end of an a...
05/16/1995
5413298Door frame mount for swing
The mount is installed to the top horizontal segment of the door frame. The swing hangs from the mount by at least two cords. The mount includes two U-shape clamp frames, each having a first leg engaging vertical walls on opposite sides of the door frame ...
05/09/1995
5407217Detachable ski assembly for child's pushchair
Each of the pair of elongated skis circumscribe a pair of upwardly facing wheel-engaging wells at opposite fore and aft ends thereof, for receiving and containing a pair of fore and aft registering wheels from both axles of a two axle pushchair. A pair of...
04/18/1995
5402714Fork segregating fondue pot partitioning array
A fork segregating partitioning array for use with a fondue pot. The fondue pot is of the type defining a container with a large cavity to receive meltable foodstuff to be warmed by a heating source. The partitioning array consists of a cup member, freely...
04/04/1995
5400734Automotive amphibious vehicle
A vehicle capable of going on public roads, on dirt roads, as well as over water. The vehicle includes two aft tracks and one front track, each track being powered by a hydraulic motor. The wheels are removably mounted to the tracks, and the wheel axles a...
03/28/1995
5398432Dynamically balanced screw with concealed loading weights
An endless spiralling screw for a snowblower comprising a rotatable elongated shaft, to be power driven; a first, elongated, rigid sheet, integrally mounted to the shaft at a radially inward edge of the sheet and spiralling along the lengthwise axis of th...
03/21/1995
5394569Air venting apparatus for WC
An air venting apparatus to be mounted into the water tank of a water closet for evacuating to the outside of the room where the water closet is located the stale air escaping from the toilet bowl. The apparatus comprises a main, generally closed air cham...
03/07/1995
5394945Precision weeding machine for row crops
The machine includes a frame adapted to move along spaced ridges planted with crop plants, frame support runners engaging the furrows between the ridges, a pair of transverse rows of weeding implements carried by the frame for movement along the ridges an...
03/07/1995
5393153Toothpaste dispenser
An automatic feed fluid dispenser comprising: a reservoir cylinder, for enclosing and containing fluid, the reservoir defining an inlet port and an outlet port; an elongated hollow shank, defining opposite inner and outer ends, each inner and outer ends d...
02/28/1995
5393175Diamond core drill
A diamond core drill using a sealed core bit is fastened centrally by means of a hollow shaft with a slanted cut at one end, that is used in a wedging manner to secure the tool against the work surface. This eliminates the need for an exterior frame and t...
02/28/1995
5380250Frangible joints for frangible band of wires or strip of fasteners
The fastener strips are made from a band of wires which consists of a series of parallel spot-weldable metallic wires disposed side by side, contiguously and spot-welded to each other at longitudinally spaced points of the wires and arranged along lines t...
01/10/1995
5373669Flat-roof roofing with tapered corrugated sheet
A roofing assembly for shieldingly covering the planking of a flat roof. At least one water drainage outlet is provided about a portion of its surface. The roofing assembly comprises: (a) a thick, substantially flat insulating batt; (b) top waterproofing ...
12/20/1994
5372517Cable connector adapter
An adaptor for a bayonet type, multi-pin cable connector including male and female terminal parts, the male part having radial bayonet pins engageable with bayonet slots of a coupling collar rotatably mounted on the female part. The adaptor includes a rin...
12/13/1994
5370211Coin-whirling device for arcade game machine
A coin whirling device for use in a coin-operated arcade game machine, the arcade game machine being of the type having a housing provided with a coin intake slit, for feeding discoid money coins into the enclosure defined within the housing and about a f...
12/06/1994
5368125Platform raising system in scaffolding
The scaffolding includes a tower provided with equally spaced rungs and adapted to be secured to an adjacent building structure, an outer sleeve surrounding the tower and guided therealong and a work platform supported by the outer sleeve. The raising sys...
11/29/1994
5365714Sawdust building blocks assembly
A wall for a rampart or building, consisting of a plurality of building blocks, each comprising slightly compacted sawdust or wood chips glued with resin. The building blocks are interconnected by a number of assembling pins and by recesses integral to th...
11/22/1994
5365825Sheet turning device
A sheet turning device for printed sheets supported on a stand which includes a transparent jacket for each sheet, a sheet turning rod secured to each jacket of the stack, the several rods extending side by side, a lever arm fixed to each rod, whereby pul...
11/22/1994
5365757Safety lock
A safety lock defining one and another, substantially rigid, elongated legs, the one leg defining an outer first leg portion and an inner second leg portion, and the another leg defining an inner third leg portion and an outer fourth leg portion, and an a...
11/22/1994
5363891Tubular saw tooth and mount assembly
In one embodiment of saw tooth assembly, the tubular saw tooth is releasably inserted with friction fit inside the hollow of a tubular mount. In an alternate embodiment, it is the tubular mount which is releasably inserted with friction fit inside the hol...
11/15/1994
5365568Smoke detector with automatic dialing
One or more of a plurality of alarm conditions can be detected by respective alarm detectors. The detected alarm conditions can be reported to one or more respective monitoring stations. The system includes circuitry for controlling the consumption of pow...
11/15/1994
5351342Protective headgear
A safety helmet comprises hard internal and external shells and a shock-absorbent insert. The internal shell forms at its lower edge and on the outside thereof an upwardly-opening trough in which the insert is inserted. The free edge of the trough joins w...
10/04/1994
5351423Ball and socket joint for snowblower chute control rod linkages
The snow discharge spout pipe from a snowblower is conventionally extended by spout extensions commanded by control rod linkages. The present ball and socket joints are used to interconnect each pair of successive link arms to one another, and some link a...
10/04/1994
5348165Self-standing upright coat hanger
A self-standing hanger for supporting the water-dripping gear of firefighters and the like. The hanger can further be used in alternative fashion as a boundary mark post, e.g. in its extended condition, for establishing a security control area in firefigh...
09/20/1994
5343851Transformer heat generating assembly
The transformer heating unit can be transformed into six different modes, namely: a stove, a cooking oven, a roaster, a barbecue grill unit, a foodstuff smoking unit, and an indoor space heating furnace. The whole transformer unit is enclosed into a compact, b...
09/06/1994
5333981Bale loading, transporting and unloading trailer
The bale handling farm trailer comprises an elongated chassis, a front bed frame overlying and coextensive with the chassis and having a flooring secured to and extending across the front section of the front bed frame. The rear end of the latter is pivot...
08/02/1994
5327588Safety helmet for cyclists
A safety helmet is of the streamlined, aerodynamically contoured type, to provide enhanced performance at high speeds. The aft lower end portion of the helmet external shell includes a cavity, this cavity receiving a light-emitting device with self-enclos...
07/12/1994
5319884Buck frame and window frame removably fitted therein
The buck frame is in a one-piece construction and is designed to be embedded in a poured concrete wall. The exterior of the buck frame is provided with reinforcing ribs, while its interior surfaces form a centrally-located boss, the side faces of which ar...
06/14/1994
5320333Spring for windshield wiper arm
The spring has an intermediate helical portion with a U-shaped open hook at each end. The helical portion is disposed in the region of the pivot of the wiper support arm to the base part which holds the support arm. One hook wraps around the wiper support...
06/14/1994
5318481Levitating apparatus
A propeller is mounted within a shroud to produce an upwardly moving air flow to levitate human beings. The user wears an air inflatable suit and a harness. A couch is disposed just outside the shroud to support the user in prone position. A jib crane is ...
06/07/1994
5303679Rotary internal combustion engine
This engine includes an engine block rotatably mounted on a support and including a central chamber communicating with outwardly protruding radial piston chambers closed by cylinder heads. A crank shaft is rotatably mounted in the engine block parallel to...
04/19/1994
5300104Thermotherapeutic pad
A flexible heat pad for heat transfer to a person's limb. The pad consists of a fabric (preferably cotton) envelope enclosing a load of cereal grains, preferably oats. Preferably, the water content of the oat is precisely monitored to remain within the 9 ...
04/05/1994
5297797Golf ball step-feeding self-teeing device
A device for step-feeding golf balls one at a time over a tee located beneath a ground play surface, and for reciprocating the tee (and associated golf ball) vertically through an aperture made in the ground play surface. The striking height of the tee is...
03/29/1994
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