Abstract: A conductive fluid leakage sensor capable of detecting a leak from a first electrically conductive or non-conductive container with a conductive liquid disposed therein, has a second or outer electrically conductive coating surrounding a first conducting or non-conducting inner container. An electrical connection is made between the outer member and to the conductive fluid disposed within the container, so that conductive fluid leaking from the container that comes into contact with the outer electrically conductive coating creates a pulse, which may be sensed by a sensing apparatus providing an indication thereof.

Abstract: A water leakage protector apparatus for appliances subject to leakage includes a first device for detecting water leakage from the water supply line coupled to the appliance and a second device for detecting water leaking from the appliance itself. A control apparatus is coupled to a valve, affixed to the water supply line, is connected to a source of electrical power, and controls the water flowing to the appliance. The appliance is connected to the control apparatus to obtain electrical power for operation. The first and second sensing devices are coupled to the control apparatus so that when a water leak is detected by either the first or the second detecting device the control apparatus stops the water from flowing in the water supply line and interrupts electrical power to the appliance.

Abstract: A brass wind instrument which changes pitch by varying the tube lengths thereof which includes a slide portion which is substantially half the physical length of a conventional slide. The slide assembly comprises two substantially U-shaped tubes which slidably engage corresponding tubes on a fixed portion of the trombone. The fixed portion of the trombone accommodates a conventional bell and a conventional mouthpiece. The slide assembly includes first and second substantially U-shaped slide tube members each having a pair of adjacent legs that slidably engage the fixed portion of the trombone. The slide assembly is configured such that customary pitch positions are obtainable.

Abstract: A mulch shovel includes a longitudinal extending handle having a longitudinal axis and a first and second distal end with a transverse member disposed proximate the first distal end transverse to the longitudinal axis; a scoop shaped-member has a rear end with a device disposed therein for receiving the second distal end of the handle; also included on the scoop-shaped member are side upwardly extending walls and a front end having a plurality of loops displaced from the front end, which are aligned in a plurality of rows with each being suitable for receiving a tine therein. The scoop-shaped member front end has a leading edge disposed parallel to the transverse member and side edges sloped at an acute angle from the leading edge.

Abstract: A dental wedge, for interproximal insertion in the interdental space between teeth for fixing a matrix band in position, including depressions in the lateral surfaces thereof for positively engaging the teeth and locking the wedge therebetween. Means are also provided for simulating the contour of the concave bulbous papillia of the gingiva disposed in the interdental space when the matrix band is affixed about the tooth and the wedge is interproximally positioned.

Abstract: A sweater type garment for covering the upper torso, arms, and hands of a wearer which includes a body portion, arm portions, and a pair of hand covering portions integrally formed with the arm covering portions to form a total upper torso enclosure. Means are provided so that the hand covering portions can be removed from the hands of the user while the garment is disposed on the wearer to free the wearer's hands for use. The unused hand covering portions can then be inserted into the arm portions for storage until the user decides to wear them again.

Abstract: Biofouling is removed from the external surfaces of spaced apart pipes of a heat exchanger which are in contact with a liquid by positioning a plurality of ultrasonic transducers between the pipes and operating the transducers at sufficient power levels to cause cavitation within the liquid to effect the desired cleaning action. The transducers are arranged in a planar configuration to produce bi-directional acoustic radiation. Various types of instrumentation are provided for determining extent of biofouling and effectiveness of cleaning as well as for monitoring transducer operating parameters.

Abstract: An orthodontic band and band seating tool therefor includes a seamless tubular band dimensioned to closely encircle a tooth. The band is provided with a plurality of integrally formed protrusions spaced thereabout with the integrally formed protrusions having an engagement surface adapted to cooperate with the band seating tool during the installation of the band about the tooth. The band seating tool provides an elongated handle and a seating element rotatably affixed to one end of the elongated handle, the seating element having a surface for cooperating with the engagement surface of the integrally formed protrusions.

Abstract: A light show apparatus for projecting an image upon a viewing surface in response to a variable sound source such as music or the like including illumination means directed through a light transmitting surface having a plurality of moveable particles disposed thereon wherein the illumination means is varied and the like transmitting surface is vibrated by vibrating means, simultaneously, to produce an ever-changing display of light projected upon the viewing surface by projection means.

Abstract: A paint distributing plate for insertion into an open mouthed receptacle such as a paint bucket or the like including a planar sheet dimensioned for insertion into the receptacle, the planar sheet dividing the receptacle into two compartments and means for locking the planar sheet in a selective position within the receptacle. The planar sheet provides a surface against which a paint brush or roller may be wiped to evenly distribute paint thereon.

Abstract: A clippable trouser retaining strap for maintaining a cuff of an unmodified leg of a pair of trousers worn by a user in a downward position including an elongated elastic member of adjustable length, a first locking clip disposed on one end of the elongated elastic member, and a second locking clip disposed on the other end of the elastic member. The elongated elastic member is positioned beneath the foot of the user and the first and second locking clips are secured to first and second portions of the cuff which are substantially opposite each other. The retaining strap is customarily used in pairs with one strap for retaining each trouser cuff in position.