Abstract: A book mark is provided for marking a selected line, column, and page of a book. The book mark includes a flat elongated member, first and second page indicators, a line marker, and a column indicator. The flat elongated member has a first end, a second end spaced apart from the first end, and a middle region situated between the first and second ends. Each of the first and second page indicators includes an indicia positioned on the flat elongated member. The line marker marks the selected line, is fixed relative to and spaced apart from the first and second page indicators, and is situated in the middle region of the flat elongated member. The column indicator indicates a specific column in a book having dual column pages.

Abstract: A removably attachable automatic squeeze bottle utilization cycle counting device comprises a squeeze bottle, a nozzle, a removable nozzle cap for isolating the nozzle from the outside environment and a hinged mechanism which attaches onto the squeeze bottle and nozzle in a removable manner. This mechanism locates the nozzle cap relative to the nozzle and indicates the number of times the nozzle cap has been removed or replaced in a given cycle. The mechanism comprises upper and lower clips for removably attaching the mechanism to the bottle and nozzle cap, a rotatable part, a set of symbols, an indicator and mechanical means for indexing the rotatable part. Each time the nozzle cap is removed, or each time it is replaced, the rotatable part is automatically indexed to the next sequential position.

Abstract: Besides the individual modules (1', 1'"), a compressed air maintenance device consisting of individual easily interchangeable modules (1), e.g. pressure regulators, oil atomisers (1'"), condensate separators (1'), in which the individual modules (1) may have emitters (8) for the actual operating status and/or predetermined limit values, also has an indicating and monitoring module (1") having optical and/or acoustic signalling devices (10) for the operational and/or fault status determined for the individual modules (1). Said signalling devices (10) can be easily coupled to the relevant emitters (8) of the modules (1). Any necessary maintenance work or operational breakdowns are thus easily recognizable.

Abstract: A bookmark device formed of plastic has a narrow, low-profile and elongated bookmark extension, with an enlarged, wider cap portion at its upper end. The cap portion provides a cap for a removable highlighter pen which comprises an enlarged head of the bookmark device with an internal reservoir holding highlighter fluid and a highlighter tip for marking text. In a preferred embodiment the cap and the highlighter head lie essentially entirely to one side of the plane of the bookmark extension, so that in use, the bookmark can always be oriented one way or the other between the pages of the book without increasing the profile of the book. In one embodiment the bookmark device can be part of a set of components including additional highlighter heads, for replacement purposes and for providing different highlighter colors. The device is conveniently used for highlighting while reading.

Abstract: A system and method for measuring a refrigerant in a vapor compression system utilizes a sight glass in fluid communication with the condenser. Refrigerant collects in the sight glass and, upon reaching equilibrium, can be read to provide an accurate measure of the amount of refrigerant in the entire vapor compression system.

Abstract: A liquid level indicating system includes a plastic link chain suspended in a container extending between a high level position and a low level position of a liquid in the container. A weighing device is positioned above the high level position of the liquid for measuring the weight of the chain. An attachment device secures a lower portion of the chain to the bottom of the container with sufficient slack so as not to affect the operation of the weighing device.

Abstract: A housing and float assembly allow for vapors or gases displaced during filling storage vessels to be redirected from a normal vent through a vapor or gas activated whistle or alarm without significantly restricting the venting rate of the vessel. The alarm produces a warning for the operator that the storage vessel has reached the predetermined high level to help avoid overfilling of the storage vessel. The device can be fabricated from readily available "off the shelf" parts and mounts into standard pipe threads or on to standard pipe flanges. The device can be provided as a kit to be assembled by the user.

Abstract: A method and system (100) for determining and quantifying the resistance to scuff damage of a film (152) adhered to a substrate (150) of a panel (154), is described. The system includes a computer (102), pressure control valves (104) and a test module (10). The test module has an indentor support plate (12) with an indentor (24 or 224), a compression moving plate (14) and an end plate (16). The plates are connected together by rods (18). The indentor support plate and the end plate are mounted at opposite ends of the rods with the compression moving plate mounted therebetween. An actuator (36) having bellows (42) is mounted between the end plate and the compression moving plate. The panel is mounted on a sliding panel support plate (58) which is connected to a load cell (106). In use, the panel support plate and the panel are positioned between the compression moving plate and the indentor support plate so that the indentor is adjacent the film on the substrate.

Abstract: A multi-frequency ultrasonic liquid level gauging system includes a storage apparatus for storing a volume of liquid and a plurality of ultrasonic transducers. Each transducer introduces a distinct ultrasonic signal into storage apparatus and receives a reflected signal back. A circuit drives and receives signals from the ultrasonic transducers. A processor calculates the liquid level at each of the locations of ultrasonic transducers based on the reflected signal received from each transducer. Transducers are connected in parallel, thereby allowing circuit to communicate to the transducers through a single conductive path. A method of measuring a liquid level in storage apparatus includes emitting a single drive signal to a plurality of ultrasonic signal sources, wherein each source is operable to transmit ultrasonic signals having unique frequencies. The ultrasonic signals are transmitted through liquid and each is reflected at the liquid surface.

Abstract: A mechanical pressure gauge indicator for showing a position of a multi-turn non-rising water valve stem is disclosed. The mechanical pressure gauge indicator uses 180 degrees of turning motion to indicate various approximations of pressure downstream of the regulating valve. One half turn of the mechanical simulated pressure gauge indicator indicates ten turns of the multi-turn non-rising water valve stem.

Abstract: A needle indicator including a display plate, the display plate being mountable on a sewing machine for viewing by a sewing machine operator; needle size indicia fixedly attached to or homogeneously fused with the display plate; needle type indicia fixedly attached to or homogeneously fused with the display plate; a size indicia marker slidably mounted upon the display plate, the size indicia marker being capable of alternately and selectively designating the needle size indicia; and a type indicia marker slidably mounted upon the display plate, the type indicia marker being capable of selectively and alternately designating the needle type indicia.

Abstract: Indicators and methods of indicating are disclosed. Intended primarily for use with medicine containers, the devices typically indicate the number of doses of medication ingested or remaining to be taken by a patient during a particular period. These devices additionally provide tactile assistance to patients in appropriately repositioning the indicator arms and, when used correctly, may reduce the possibility of patient overdose by restricting improper attempts to advance the indicator arm.

Abstract: An apparatus and method for evaluating pressure interface performance of a support surface for supporting a body are provided. The method includes the step of providing an array of pressure sensors covering substantially the entire support surface. The pressure sensors each provide an output signal indicating interface pressure with the body at one of a plurality of separate pressure nodes on the support surface. The method also includes the steps of engaging the support surface with the body, and calculating a pressure index using interface pressure output signals from the array of pressure sensors at all active pressure nodes to generate a single numeric value indicating pressure interface performance of the entire support surface.

Abstract: There is provided a method for marking the treated areas of soil or ground surface wherein the boundary markers have a high degree of visibility, thereby permitting the boundary markers to be distinguishable from a distance and in less than ideal lighting conditions. The marking medium used in the boundary marker utilizes chemiluminescence to radiate light. The chemiluminescence may also be controlled to regulate the length of time marking medium radiates light. When the marking medium is applied to the ground to mark the boundary of the treated area in accordance with the present invention, the marker is easily distinguishable from a distance and may be easily viewed in less than ideal lighting conditions.

Abstract: A marker used for alerting people and animals of a span of line between attachment points has two identical parts for ease of manufacture and of assembly. Either gripper teeth are integral with the parts or partitions are integral with the parts and cooperate to grip the line to be marked.

Abstract: A temperature sensing device for permanently indicating when a product is exposed to ambient temperatures exceeding a maximum permitted temperature of the product for a time period long enough to permanently damage the product. In an exemplary embodiment, the temperature sensing device is typically located on the protective cover of a battery away from terminals and the battery casing. The temperature sensing device is made of a material to permanently expand and/or shrink upon reaching critical temperatures (e.g. too hot). The expansion is visually detectable by means of a visual indicator and/or reference point.

Abstract: Apparatus and method for detecting the presence of a splice in a running length of web material, particularly photosensitive web material. The apparatus includes first and second encoders coupled to first and second rollers, respectively. As the web material is transported across the rollers, the speeds of the rollers are continuously and simultaneously detected. The rollers will travel at substantially the same speed when the web is being transported across both rollers. The presence of the splice is detected when the speeds of the two rollers differ.

Abstract: A kit is disclosed for improving reading comfort or increasing interest in reading, the kit comprising at least two differently-colored transparent overlays. Also disclosed is a method for improving reading comfort or increasing interest in reading comprising the steps of sequentially placing each of at least two differently-colored overlays over the material being read, subjectively determining which of the differently-colored overlays provides the maximum eye comfort while reading or creates the greatest interest in reading, and placing the overlay that provides maximum eye comfort or interest over the material being read.

Abstract: An apparatus for measuring liquid level in a container, the apparatus having a flexible measurement scale attached at one end to a weight for retainment at the bottom of the container and at the opposite end to a receiver at the top of the container. A float moves along the flexible scale, and has a configuration and density designed to place a portion of the float below the level of the liquid to be measured and a portion above the liquid level. The portion above the liquid level contains transmitter apparatus for applying energy to one side of the scale, and detection apparatus on the other side for detecting energy transmitted through the scale and converting it to a liquid level in the container.

Abstract: A banner connecting apparatus of a flag pole is provided. The apparatus comprises upper and lower coupling buttons, each coupling button including a connecting ring adapted to rotate about the flag pole and a connecting button engaging a coupling hole of a banner. The apparatus also comprises a cylindrical spacing sleeve disposed between the upper and lower coupling buttons and adapted to be received on the flag pole. The apparatus further comprises an elastic retaining mechanism for engaging the flag pole. The elastic retaining mechanism adjustably limits the longitudinal displacement of at least one connecting ring with respect to the flag pole. The banner connecting apparatus connects a banner to a flag pole while preventing the banner from wrapping around that flag pole.