Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7399102 | Portable self contained light generating device powered by a flow of falling granular material A portable self contained light generating device which is powered by a flow of granular material falling under the influence of gravity to impinge upon and cause a paddle wheel to rotate thereby turning a small generator producing electricity to power one or more l... | 07/15/2008 |
| 7394727 | Clock A clock 1000 of the invention includes a dead-weight body, dead-weight body lifting means 100 for lifting the dead-weight body supplied to a lower position to an upper position, a rotation wheel 210 having, at its periphery, plural reception par... | 07/01/2008 |
| 7097642 | Cauterizing scalpel blades An apparatus is disclosed for cutting and cauterizing of tissue. The apparatus comprises a cutting edge of a blade. The apparatus further comprises a conduit having a catalyst located near the conduit outlet, and the conduit is for delivering a combustible mixture o... | 08/29/2006 |
| 7066737 | Reading/teaching aid A method of reading using a reading aid (12) including a handle part (14) which is adapted to be gripped manually at a location spaced from text to be read, and a cursor part (15) attached to the handle part (14) and extending transversel... | 06/27/2006 |
| 7029168 | Clock A mechanical clock has a driving element and a braking element. The braking action of the braking element is based on a hydrostatic gradient of at least one flowable medium. The driving element exerts a first torque on a first shaft extending along a first axis, and... | 04/18/2006 |
| 6960225 | Medical applications using microcombustion A process for delivering high intensity heat in medical applications is disclosed. The process involves forming a mixture of hydrogen and oxygen and reacting the mixture to generate heat near a region of interest. ... | 11/01/2005 |
| 6926821 | Water treatment device with volumetric and time monitoring features A totalization meter system for a water treatment device, the device having an inlet aperture and an outlet aperture, and a channel for channeling water between the inlet and outlet apertures. A flow reactive device is positioned in the channel and is exposed to the... | 08/09/2005 |
| 6924598 | Apparatus for providing a kinetic lightning effect An apparatus for providing a visual lightning effect includes a first chamber and a second chamber, where a passageway connects the first chamber and the second chamber. An inert gas is provided within the first chamber, the second chamber, and the passageway. A fir... | 08/02/2005 |
| 6799885 | Method of improving the function of an hour-glass The method of dramatically speeding up the time it takes for sand, mercury, or water, or other like substances to flow from the upper compartment to the lower compartment of an hour-glass, usually in an hour but not specifically required in this method, entails the ... | 10/05/2004 |
| 6579003 | Decorative hourglass with light reflecting base An hourglass timepiece that is filled with a plurality of precious or semi-precious stones, such as small uncut diamonds, which are suspended in a silicone compound, such as silicone oil, to prevent scratching of the interior surface of the hourglass as t... | 06/17/2003 |
| 6533450 | Bottle-type timer A flexible state-of-the-art plastic bottle fitted with a sealed tube becomes a dynamic system for dispensing water or other fluid in nearly-uniform quantum amounts, in such a way that the apparatus may be used as (1) a timer, such as for cooking a three-m... | 03/18/2003 |
| 6260996 | Hourglass with bypass duct An hourglass that includes a mechanism for varying the amount of time measured with the hourglass. The hourglass includes a pair of reservoirs connected a constriction in a conventional manner, and includes a bypass duct that provides fluid communication ... | 07/17/2001 |
| 5570325 | Tooth brushing timer Tooth brushing timer device for presenting an amusing visual representation of the time required for a child to brush his or her teeth. The timer device comprises a housing, a static character face disposed at the front of the housing, and a visual indica... | 10/29/1996 |
| 5528561 | Color changing hourglass assembly A color-changing, position-reversible hourglass assembly having two transparent bulbs one above the other and a storage compartment adjacent each bulb, the bulbs and compartments being joined together by a neck. Intercoupling the bulbs and the compartment... | 06/18/1996 |
| 5457665 | Elapsed time indicator An elapsed time indicator can easily indicate time periods of over a month, and is extremely versatile, for example being utilizable in a cap of a water bottle. The indicator includes a substantially transparent and substantially straight tube having firs... | 10/10/1995 |
| 5260918 | Water saving apparatus and method of using same A new and improved water saving apparatus having a timing device which may be visually observed by a person for the purpose of timing the length of a shower. The water saving apparatus is adapted to be mounted to the wall of a shower stall and includes fi... | 11/09/1993 |
| 5122994 | Clock apparatus An apparatus is provided for enhanced viewing of an hour glass structure, wherein an annular table top mounts a transparent plate overlying an hour glass structure. The hour glass structure is pivotally mounted axially of the transparent plate, wherein th... | 06/16/1992 |
| 5117405 | Quick reset game timer A one-piece, quickly resettable gravity-flow timer consisting of a sealed container which integrally houses a base at one end and a reset reservoir at the other and, intermediate these, a receptacle, having a loading orifice nearest the reservoir and a me... | 05/26/1992 |
| 5093815 | Hourglass novelty apparatus having unequal chamber volumes Apparatus for measuring time which comprises a first chamber and a second chamber. The second chamber is bigger than the first chamber. The structure includes apparatus for mounting the first and second chambers in generally aligned relationship and for c... | 03/03/1992 |
| 5068839 | Resettable sandglass-type timing device which provides selective timing periods A sandglass-type timing device which can be reset to commence a new timing operation without first completing a pre-existing timing function. The timing device is formed from a transparent plastics material and it comprises a first chamber (18), a second ... | 11/26/1991 |
| 5051969 | Decorative clock with rotatable sand picture A decorative clock with sand picture having the function of showing flowing picture and correct time mainly consists of a gear set housing, a sand picture, and a set of hour hand and minute hand assembled together to be positioned on a support seat in suc... | 09/24/1991 |
| 5023852 | Resettable gravity timer A gravity timer of the hour-glass type having a pair of chambers which communicate through an intermediate portion in which a restrictor valve is normally seated in order to regulate the rate of flow of a granular material therethrough and which valve may... | 06/11/1991 |
| 5005160 | Game timing apparatus A game timing apparatus to be used to limit a player's turn in the playing of a game. The game timing apparatus includes an hourglass with movement of sand within the hourglass defining the length of time of the player's turn. Connected to the hourglass a... | 04/02/1991 |
| 4998228 | Drinking water filter A water filtration system, and a filter and timer therefor. The system includes a primary container defining a holding chamber and a secondary chamber defining a filtering chamber at least partially within the holding chamber but spaced above the bottom w... | 03/05/1991 |
| 4959819 | Regenerating power unit This invention relates to a regenerating power unit employing a flowable medium to drive a rotatable wheel and attached axle with various attachments being utilized on the rotating axle for educational and/or amusement purposes. The power unit 10 is provi... | 09/25/1990 |
| 4914819 | Eating utensil for indicating when food may be eaten therewith and a method for using the utensil A dietary control eating utensil is disclosed for indicating when food can be eaten therewith. The handle of the utensil includes a gravity-powered timing device. The device includes an elongated transparent material chamber for containing immiscible flui... | 04/10/1990 |
| 4813030 | Resettable multiple timer A timing device of the flowing medium type that allows for multiple timing periods and for instant resetting capabilities whether the timer is in a timing sequence or is at rest. The timer is so constructed that specified 90° or 180° revolutions of the ... | 03/14/1989 |
| 4701056 | Timing mechanism A timing mechanism for use with a board game to indicate by sound and movement the time period allotted for answering a question or performing a turn or function. It includes a sphere such as a marble which rolls on a circular saucer having an upwardly fa... | 10/20/1987 |
| 4648721 | Quickly resettable timer A quickly resettable timer is claimed which comprises a container having a base end and a reset end; a quantity of a flowing, particulate solid medium; a funnel-like receptacle having a loading orifice nearest the reset end and a metered orifice nearest t... | 03/10/1987 |
| 4527905 | Timer A timer of the hourglass sand type which includes a plurality of chambers that are interconnected by conduit means. The conduit means are cooperate so that after one chamber empties a second chamber empties.... | 07/09/1985 |
| 4474481 | Granule flow timer A preselected lapsed time indicating granule flow timer. The timer includes in combination first and second enclosed chambers integrally connected by a neck with an opening therethrough to thereby provide communication of an electrically conductive granul... | 10/02/1984 |
| 4431313 | Game timer A game timer for selectively timing the action time of two or more game players includes a timing unit for each player with the timing unit consisting of a reservoir containing a measured quantity of granular medium with a metered orifice for controlling ... | 02/14/1984 |
| 4408894 | Multiple selectable timer A multiple selectable timer of the flowing medium type includes a housing including a medium reservoir and a catch chamber with a timing orifice for controlling the flow of the medium from the medium reservoir to the catch chamber and a metering passage f... | 10/11/1983 |
| 4404922 | Ageing indicator An ageing indicator compares a closed sachet of one or more closed tubes of a material which is slightly permeable to a fluid contained in the sachet or tube. The rate of permeation of the fluid through the sachet-like assembly tube wall depends upon temp... | 09/20/1983 |
| 4372688 | Liquid operated clock A liquid operated clock employs buckets pivoted to arms of a carrier rotating at constant speed. The buckets are sequentially moved below the surface of a liquid reservoir to fill the buckets, elevate them and cause them to discharge into a receiver. Afte... | 02/08/1983 |
| 4370064 | Counting device with ball actuated aligned rotatable indicating elements A counting device with ball actuated, aligned, rotatable indicating elements is disclosed that is particularly useful as a clock. The device includes a plurality of indicating elements rotatable around parallel axes, arranged side by side in three columns... | 01/25/1983 |
| 4340947 | Dual timing apparatus The dual timing apparatus invented comprises an enclosure having a fluid-filled cavity, a body free to move within the fluid, and a rotatable means to measure and control playing times between opponents in concentration games such as Scrabble, chess, chec... | 07/20/1982 |
| 4332096 | Gravity flow display device A gravity flow display device which is usable for selectively and alternatingly exhibiting two different but conceptually related displays. The device has two thin transparent walled half-hourglass compartments through which displays at their rears are vi... | 06/01/1982 |
| 4267588 | Hourglass construction An hourglass construction comprising a pair of containers arranged with their mouths together and provided with a through passageway for fluent material.... | 05/12/1981 |
| 4238846 | Timing device The timing device is one in which two float-type timers, a frame, and an angular base are adapted to measure and control playing time in games such as Scrabble, chess, checkers, and the like.... | 12/09/1980 |
