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| Number | Title | Issue Date |
| 4926659 | Double effect air conditioning system A absorption refrigeration system having cooling and heating modes of operation functions with a double-effect or "split" refrigeration cycle having approximately the same refrigerant concentration span in each cycle loop. The system includes a novel dire... | 05/22/1990 |
| 4869136 | Fastener gripping mechanism for bolt running operations A fully automated tool for holding threaded fasteners during fastener insertion, removal, or transport is described. The device is capable of handling different sized fasteners and can be used with remote manipulator systems or in hand-held operations.... | 09/26/1989 |
| 4822336 | Blood glucose level sensing A method of sensing blood glucose levels in the steps of passing glucose from a peritoneal fluid through a semi-permeable membrane and into a closed chamber, metabolizing the passed glucose in the closed chamber with a yeast suspension to produce a level ... | 04/18/1989 |
| 4809340 | Optical correlation system Invention provides optical correlation apparatus comprised of optical means producing a light image of the mailpiece including the address information, holographic filter means receiving the optical means light image and producing a filtered light image c... | 02/28/1989 |
| 4785797 | Method and apparatus for therapeutic motion and sound treatment of infants A method and apparatus for soothing and pacifying crying and colicky infants including apparatus and methods to impart a rhythmic cyclic motion of displacement to the surface on which the infant is supported, at a frequency between about ten and forty-thr... | 11/22/1988 |
| 4760870 | Automatic dado and scoring machine A machine for performing dados, grooves, mortises, etc., of controlled depth in cabinet component parts and the like. Consisting in part of a main frame with a plurality of elongated support members of equal length. Having incorporated a plurality of tool... | 08/02/1988 |
| 4760961 | Modular sprayhead assembly A modular spraying assembly particularly adapted for use with automatic molding or dye casting machines which is characterized by a plurality of identical sprayhead modules which can be mounted in linear relationship to one another to form variable vertic... | 08/02/1988 |
| 4742693 | Absorption refrigeration and heat pump system This invention relates to a cooling and heating system which operates on the absorption and phase change heat exchange principle. More particularly it relates to a continuous heat actuated, air cooled, double effect generator cycle, absorption system. In ... | 05/10/1988 |
| 4722193 | Absorption refrigeration and heat pump system This invention relates to a cooling and heating system which operates on the absorption and phase change heat exchange principle. More particularly it relates to a continuous heat actuated, air cooled, double effect generator cycle, absorption system. In ... | 02/02/1988 |
| 4719767 | Absorption refrigeration and heat pump system This invention relates to a cooling and heating system which operates on the absorption and phase change heat exchange principle. More particularly it relates to a continuous heat actuated, air cooled, double effect generator cycle, absorption system. In ... | 01/19/1988 |
| 4706880 | Signaling mailbox A rural mailbox structure including a "mails-in" signaling element that is operable to protrude laterally sideways and be visually apparent from the front and or rear when the mailbox is opened by rotation of the front door. Apparatus is included to maint... | 11/17/1987 |
| 4699267 | Portable shoe rack for travelers A luggage case provided with a removably mounted shoe rack for storing and transporting a plurality of pairs of shoes. The generally conventional luggage case includes a rectangular compartment and a hinged cover detachably connected thereto to open and c... | 10/13/1987 |
| 4691532 | Dual cooling/heating system energy recovery This invention relates to a cooling and heating system which operates on the absorption and phase change heat exchange principle. More particularly it relates to a continuous heat actuated, air cooled, double effect generator cycle, absorption system. In ... | 09/08/1987 |
| 4681096 | Method and apparatus for therapeutic motion and sound treatment of infants A method and apparatus for soothing and pacifying crying and colicky infants including apparatus and methods to impart a rhythmic cyclic motion of displacement to the surface on which the infant is supported, at a frequency between about twenty-five and f... | 07/21/1987 |
| 4671446 | Method and system for automatically bonding a leadwire on a semiconductor The bonding of a lead wire on a semiconductor having an ohmic contact metal electrode provided locally on a surface at a selected location is achieved through detecting the image of the metal electrode more precisely by enhancing the contrast between the ... | 06/09/1987 |
| 4672389 | Inflatable reflector apparatus and method of manufacture An inflatable reflector structure used to receive and transmit energy, and a mounting and support system for an inflatable reflector structure, together with a method of constructing a concave parabolic reflective or transparent membrane, capable of being... | 06/09/1987 |
| 4667485 | Absorption refrigeration and heat pump system An absorption refrigeration/heat pump system of the four chamber multiple subsystem type in which an absorption power module is employed having a desorber, condenser, and second desorber combined for more effective heat transfer and thermal efficiency.... | 05/26/1987 |
| 4646541 | Absorption refrigeration and heat pump system This invention relates to a cooling and heating system which operates on the absorption and phase change heat exchange principle. More particularly it relates to a continuous heat actuated, air cooled, double effect generator cycle, absorption system. In ... | 03/03/1987 |
| 4613012 | Article of rolled form An article of rolled form constructed of card-like semirigid flexible material assembled by rolled assembly to form an article of annular cross sectional shape. The article is preferrably a megaphone with the advantages of having a complimentary handle co... | 09/23/1986 |
| 4607839 | Snow ski machine The snow ski machine is a snow ski exerciser and teaching aid device which simulates the total motion of downhill parallel skiing minus forward motion consisting of two parallel simulated skis resting on a swivel near the skier's feet with said swivel bei... | 08/26/1986 |
| 4606180 | Gardening tool This invention involves a gardening tool used as a rake where the tines of the rake are removably affixed to a bridge element. In the preferred embodiment circumferential banding clamps are used in conjunction with a sinuous wave shaped tines made of spri... | 08/19/1986 |
| 4597386 | Lumbar support system A portable apparatus and system for supporting the lumbar lordosis region of the back of a human being including a panel and cushion assembled in supporting contact, with the panel being flexibly formed in the transverse shape of a columnar beam providing... | 07/01/1986 |
| 4593228 | Laminated electroluminescent lamp structure and method of manufacturing The improvement in an electroluminescent lamp and the method of making same, including providing a polymer on the lamp structure and encapsulating the lamp with the polymer in a hard surface moisture impervious layer on each side of the device through the... | 06/03/1986 |
| 4591792 | Method and apparatus for measuring the polarized potential of a buried or submerged structure protected by impressed current The polarized potential at the boundary between a submerged pipe and a medium is measured unaffected by the presence of a distributed IR drop in the medium due to an impressed current from a corrosion protection system. The voltage between the pipe and a ... | 05/27/1986 |
| 4567732 | Method and system for controlling the environment in a greenhouse Systems and methods are provided to regulate the environment in a greenhouse where food and flower production is carried out, and in which outside air is inducted into the enclosure of the greenhouse through an evaporative cooler. A portion of the inducte... | 02/04/1986 |
| 4567774 | Determining mechanical behavior of solid materials using miniature specimens A Miniaturized Bend Test (MBT) capable of extracting and determining mechanical behavior information from specimens only so large as to have at least a volume or smallest dimension sufficient to satisfy continuum behavior in all directions. The mechanical... | 02/04/1986 |
| 4531319 | Hanging mobile greeting card A novelty greeting card with a hanging mobile configuration constructed of planar semirigid flexible material comprised of two hingedly connected side members. These side members have base portions which are bent into a perpendicular position to overlap a... | 07/30/1985 |
| 4520621 | Gardening tool A gardening tool similar to a rake and having a handle portion, a bridge supporting means and a flexible comb element with a cover. The tool provides a flexible response to uneven terrain and offers an increased ability to gather and remove earthen debris... | 06/04/1985 |
| 4521360 | Methods of compaction by incremental radial compression and/or low-ratio extrusion A process of consolidating and compacting unconsolidated particulate materials such as powders with or without short fibers to a density of about one hundred percent by carrying out the process in a can or tube which is moving through a convergent die hav... | 06/04/1985 |
| 4519410 | Tent construction A portable tent construction in which an outer tent of see-through "mosquito net-like" material completely encloses an inner waterproof weather tent which can be erected by the occupant from within the outer tent without the inconvenient necessity of exit... | 05/28/1985 |
| 4509243 | Blind side sealer apparatus and method A method and apparatus for the internal or blind side sealing of a small local leak (such as a void in casting). The sealing is accomplished by first drilling a hole in the conduit or container where the leak is located and setting a blind side sealer app... | 04/09/1985 |
| 4486972 | Animal trap An animal trap utilizes a generally X-shaped base to provide a balanced mounting of a pair of U-shaped jaws, a pair of torsion coil springs, and elements of a trigger mechanism. When the trap is set, the jaws are pivoted downwardly relative to the base an... | 12/11/1984 |
| 4480666 | Material splitter An apparatus for splitting materials including wood, having rotating conical wedge elements which screw their way into the material thereby splitting and/or fracturing the material. The axes of rotation of the conical wedge members are closer together at ... | 11/06/1984 |
| 4472837 | Head covering for retaining articles A head covering containing a carrier means for securely retaining an article. The carrier means may be affixed or removably attached to a crown means or some other portion of the head covering. A flap or cover means may be present to cover and protect the... | 09/25/1984 |
| 4470405 | Method and apparatus for controlling insolation in a building A method, apparatus and system is provided for controlling the rate of insolation transmission through the roof of a building, such as a greenhouse. The roof is provided with translucent panels through which liquid containing opaquing material passes. Con... | 09/11/1984 |
| 4469101 | Suture device A suture device for use in tendon repair which comprises an open network constructed of nontoxic tissue-receptive intersecting members extending between opposite ends and formed to receive and fit tightly over opposing and approximated ends of a lacerated... | 09/04/1984 |
| 4450951 | Conveyor lift A conveyor lift system employing an endless flexible conveyor means capable of transferring loads from an exterior position on one side to an exterior position on the other side without secondary mechanical means through the use of finger-like support ele... | 05/29/1984 |
| 4441248 | On-line inspection method and system for bonds made to electronic components On-line inspection of electric characteristics of a semiconductor device can be achieved during a step of bonding a lead wire to a chip surface of the semiconductor device in the process of fabricating an electronic component, by the use of a circuit arra... | 04/10/1984 |
| 4415390 | Internal wrapping method and apparatus A method and apparatus for internally wrapping the surface of a conduit, cylinder or pipeline with a sealing membrane which is adhered to the interior surface. The apparatus applies the membrane in a helical spiral by taking the membrane from a roll and p... | 11/15/1983 |
| 4414797 | Gardening tool A garden tool having a handle connected to a comb element which is provided with a sinuous serpentine plurality of projecting lobes constructed from a single continuous member of elastic material with the working section supported by and attached to the h... | 11/15/1983 |
