1
Arnold W J Grupping: Coal gasification method. William A Drucker, January 6, 1981: US04243101 (235 worldwide citation)

A method for underground gasification of coal or brown coal, in which a substantially uniform gasification or combustion front is maintained by filling the cavity generated by gasification of coal with a filler so as to drive said front in an upward direction through the coal layer, the gases for ma ...


2
Jacques Dory: Examining, localizing and treatment with ultrasound. EDAP International, William A Drucker, January 14, 1992: US05080102 (210 worldwide citation)

A hyperthermia treatment apparatus combining a generator of a focused ultrasonic beam comprising a main high frequency electric wave emitter and a main piezoelectric transducer whose active surface is focusing, with an echography device comprising an auxiliary high frequency electric pulse generator ...


3
Gerard Normand, Michel Persuy: Device for reading and distributing cards, in particular playing cards. Acticiel, William A Drucker, April 18, 1989: US04822050 (179 worldwide citation)

The device comprises a container for receiving the pack of cards to be distributed, of which the movable bottom is formed by a carriage. This carriage comprises rollers which, when the carriage is moved, drive the lower card of the pack which is isolated by a flange. The pattern of the transported c ...


4
Andre Desplats: Release mechanism for a traction apparatus acting on a cable which passes therethrough. Tractel, William A Drucker, March 27, 1984: US04438659 (172 worldwide citation)

A release mechanism is provided ensuring simultaneous opening of the two clamps of a traction apparatus for freeing the cable which passes therethrough.


5
Gerard Normand, Michel Persuy: Manual playing card dealing appliance for the production of programmed deals. Acticiel, William A Drucker, August 28, 1990: US04951950 (160 worldwide citation)

The device comprises a box receiving the deck of cards to be dealt, upon which a cover presses. Rollers, driven in rotation by a motor reduction unit ensures partial exit of the lower card of the stack to a slot in the device whereas optical reading means read a value code marked on the card. When t ...


6
Jacques Dory: Apparatus for examining and localizing tumors using ultra sounds, comprising a device for localized hyperthermia treatment. William A Drucker, April 21, 1987: US04658828 (141 worldwide citation)

A hyperthermia applicator comprises a generator of a focused ultrasonic beam comprising a main high frequency electric wave emitter and a main piezoelectric transducer and an echography device comprising an auxiliary high frequency electric pulse generator associated with an auxiliary piezoelectric ...


7
Abdennebi Bounaga: Device and method for measuring the charge state of a nickel-cadmium accumulator. Universite Paris Val de Marne, William A Drucker, July 22, 1997: US05650937 (133 worldwide citation)

The battery (3), which powers an apparatus (2), supplies an auxiliary circuit for a short time (5). A test and control component (6) of the device superimposes a low amplitude current interference .DELTA.i onto the discharge current (1). The interference signal frequency f is chosen acccording to th ...


8
Daniel Bouteille, Michel Duclos, Hugues Marguet, Michel Nicolas, Eric Petrimaux: Pneumatic logic circuit. La Telemechanique Electrique, William A Drucker, January 20, 1981: US04245673 (128 worldwide citation)

A sequencing logic circuit comprises a blocking means for preventing phase jumps caused by the untimely presence of a release signal. An inhibitor device is placed on one of the channels feeding a storage relay, placed upstream of said release signal, in such a manner as to prevent the transmission ...


9
Jacques Dory: Ultrasonic treatment device using a focussing and oscillating piezoelectric element. EDAP International, William A Drucker, September 1, 1992: US05143074 (117 worldwide citation)

An ultrasonic treatment device is divulged comprising a power transducer in the form of a spherical cup serving both as treatment wave generator and as echographic transceiver, wherein the transducer is caused to oscillate (motor 2) during the treatment, so as to obtain sectorial B type scanning and ...


10
Jacques Dory: Method for examining and aiming treatment with untrasound. EDAP International, William A Drucker, January 14, 1992: US05080101 (116 worldwide citation)

The disclosure relates to a method of ultrasonically locating and aiming treatment at a body target and displaying real time images of the body target. A treatment transducer produces a treatment beam of wave vibrations focused on said target and a separate scanning transducer displays images of sai ...