1
Sidney T Fisher, Charles B Fisher: Extraction of hydrocarbons in situ from underground hydrocarbon deposits. Barrigar & Oyen, February 22, 1977: US04008762 (271 worldwide citation)

A method of extracting hydrocarbons in situ from an underground hydrocarbon deposit such as oil shale. A selected part of the deposit is heated by one or more electrical induction coils arranged in a quasi-toroidal configuration to temperatures high enough to drive off hydrocarbon fractions as gases ...


2
Sidney T Fisher, Charles B Fisher: Extraction from underground coal deposits. Barrigar & Oyen, August 23, 1977: US04043393 (258 worldwide citation)

A method of extracting hydrocarbons, energy and other products in situ from an underground coal deposit. A selected part of the coal deposit is heated by electrical induction to temperatures high enough to effect the destructive distillation of coal. The gases and liquids so produced are collected. ...


3
Sidney T Fisher, Charles B Fisher: Recovery of hydrocarbons from partially exhausted oil wells by mechanical wave heating. Barrigar & Oyen, September 20, 1977: US04049053 (238 worldwide citation)

Underground viscous hydrocarbon deposits, such as the viscous residues in conventional oil wells, are heated by mechanical wave energy to fluidize the hydrocarbons thereby to facilitate extraction thereof. For uniform, circular, symmetrical dispersion of mechanical wave energy of high-power and low- ...


4
John A Murchie: Method and apparatus for treatment of snoring. Barrigar & Oyen, September 10, 1991: US05046512 (180 worldwide citation)

The present invention provides an improved method and apparatus for treatment of snoring and apnea. The method provides the steps of regulating the flow of air through the mouth of the user to an extent comparable to the volume of air which flows through the user's nasal passages. The apparatus prov ...


5
James K Cavers: Amplifier linearization by adaptive predistortion. Simon Fraser University, Barrigar & Oyen, September 17, 1991: US05049832 (158 worldwide citation)

A method of linearizing an amplifier to produce an amplified output sample v.sub.a in response to a predistorted input sample v.sub.d derived from an input modulation sample v.sub.m, such that v.sub.a .perspectiveto.Kv.sub.m, where K is the amplifier's desired constant amplitude gain. The squared ma ...


6
Patrick L McGeer, Joseph Rogers, John Sibley, Edith McGeer: Anti-rheumatoid arthritic drugs in the treatment of dementia. Barrigar & Oyen, March 9, 1993: US05192753 (72 worldwide citation)

This invention pertains to the novel use of anti-rheumatoid arthritic drugs in the treatment of dementia. A method of treating dementia in human beings which comprises administering to the human being a therapeutic amount of a non-steroidal anti-inflammatory drug (NSAID) which has the ability to inh ...


7
Hermann Fruhm: Cartridge type screwdriver. Barrigar & Oyen, November 30, 1993: US05265504 (71 worldwide citation)

A multiple bit screwdriver employs a breach loading magazine to store a plurality of bits. The magazine is enclosed inside the hollow handle of the screwdriver and is extracted along the axis of the screwdriver when the end-cap of the handle is pulled. The bits are stored in the magazine and are loc ...


8
David G Johnson: Portable back support. Moss Barrigar & Oyen, May 24, 1994: US05314235 (68 worldwide citation)

Disclosed herein is a portable back support comprising a base plate, cushion means attached to the base plate: the cushion means having an upper portion and a lower portion, the lower portion having a pair of laterally spaced extremities, the base plate having an arcuate shape in transverse section ...


9
Theodore O Grosch, Wojciech Klimkiewicz, Peter J Moosbrugger: Safe stopping distance detector, antenna and method. Moss Barrigar & Oyen, December 7, 1993: US05268692 (56 worldwide citation)

An FM/CW radar system is disclosed for determining a safe stopping distance between a moving vehicle and a potential obstacle. The radar signal is modulated linearly over several slopes. A microstrip phased array transmit/receive antenna is also disclosed having a hybrid tap, corporate feed structur ...


10
Raine R Riutta: Roller skate starting and stopping aids. Barrigar & Oyen, March 9, 1993: US05192099 (55 worldwide citation)

A roller skate brake in which the wheel support which rotatably couples the skate's wheels to the boot is slotted, allowing the support to flex when the skater bears down with the heel. Such flexing compresses the support, forcing a brake shoe against the skate's rear wheel. The braking force varies ...



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