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| Number | Title | Issue Date |
| 4953579 | Quick acting diversion valves A quick acting diversion valve can be constructed so that a pressure difference between the sides of a bistable diaphragm can be used to cause the diaphragm to change in configuration so as to move a valve body in a housing in order to change the manner i... | 09/04/1990 |
| 4822314 | Interlocking container and toy block sets A construction set including a set of interlocking blocks and a container for the set which can be constructed so that at least a part of the container interlocks with the blocks. As a consequence, a structure may be erected using both the blocks and the ... | 04/18/1989 |
| 4817264 | Fastener and assembly process The method of affixing a fastener to a panel, said fastener comprising a body portion and a flange portion, said body portion comprising a thermoplastic material and being of a length greater than the thickness of said panel, comprising the steps of: inse... | 04/04/1989 |
| 4818227 | Sound producing indicators used in combination with pneumatically operated machines A pneumatically operated machine such as a dental drill can be used with a pneumatically operated indicator capable of providing an audible signal such as a whistle or horn so provide an indication if the machine is stopped or is being operated in reverse... | 04/04/1989 |
| 4811469 | Quick release fasteners A simple, two piece, plastic fastener structure can be formed to include a latch receptacle having an open end leading to an internal cavity defined by front and back sides and top and bottom walls. The front and back sides are shaped so as to include ope... | 03/14/1989 |
| 4796656 | Method and apparatus for causing a series of mechanical actions A feedback type of diversion valve which can be used to sequentially "operate" or "activate" fluid responive structures such as tubes of a pillow.... | 01/10/1989 |
| 4785939 | Stacking tray In a stacking tray combination of the kind containing a series of trays overlying one another in vertical spaced relationship and containing support means for holding said trays in that described position, the improvement is characterized by at least a po... | 11/22/1988 |
| 4775128 | Copy holder A copy holder which is useful in holding items such as comparatively thick books can be constructed so that holdfasts capable of engaging whatever is held in the copy holder are movably mounted in openings in the copy holder. When so held these holdfasts ... | 10/04/1988 |
| 4768741 | Pipe hangers A pipe hanger can be constructed so as to utilize a central body portion and a separate strap. Both ends of the body portion includes a vertically extending slot; a ratchet structure is provided in one of the body portion slots. The strap is provided with... | 09/06/1988 |
| 4768560 | Pipe plugs An expandable pipe plug can be constructed so as to use a peripherial elastomeric sleeve having an exterior surface which is adapted to seal against the interior of a pipe and a tapered internal surface which fits against a correspondingly shaped, tapered... | 09/06/1988 |
| 4759383 | Toothbrush sterilizing device An elongated housing having its interior divided into a top and a bottom compartment by a perforate dividing wall can be used as a device to sterilize toothbrushes. When it is used for this purpose the top compartment is filled with water and the brush en... | 07/26/1988 |
| 4746164 | Motorhomes A conventional motorhome can be improved by using joists to elevate the floor of the living area of the motorhome to the level of the floor in the driver's compartment in the motorhome. Preferably tanks as are required in connection with the motorhome are... | 05/24/1988 |
| 4728144 | Trailer construction A desirable travel trailer can be constructed so that the internal floor within such a trailer is capped by a series of joists located on the chassis of the trailer. The spaces between the joists can be used to hold various tanks and other items assocated... | 03/01/1988 |
| 4727667 | Extended wrap around labels When a comparatively large amount of material must be located on the label for a comparatively small container such as a bottle it is desirable to form the label so that a first portion of it can be wrapped around and adhesively secured to the exterior of... | 03/01/1988 |
| 4728347 | Application of water to particulate matter in a gas stream to facilitate separation of the same The removal of particulate matter from a gas stream through the use of a separator in which the weight of the particulate matter aids in its separation can be improved by wetting the particulate matter. Preferably the gas stream is caused to flow under tu... | 03/01/1988 |
| 4718129 | Improved swimming pool vacuum apparatus A swimming pool vacuum apparatus as described in the U.S. Pat. No. 3,443,264 can be improved by providing a plate holding an outlet nipple from the container of such an apparatus on the bottom of the container so that the position of the outlet nipple can... | 01/12/1988 |
| 4689848 | Caster having interfitting housing members with integral bearings and a separate axle Desirable casters can be formed by using two separate, interfitting housing members to create the yoke of a caster. As these housing members are assembled they come together so as to hold the wheel of the caster generally between arms of the yoke (which a... | 09/01/1987 |
| 4688599 | Distribution fitting A distribution fitting primarily useful in connection with drip or seep irrigation can be constructed so as to utilize a series of ports defined by circular holes located immediately adjacent to one another around a spherical wall, each of the ports being... | 08/25/1987 |
| 4683670 | Demountable signboards A signboard of a type used to carry replaceable letters or similar indicia can be improved by using at least one easily operated holder to connect the signboard to a support such as a wall. This permits the signboard to be easily removed from the support ... | 08/04/1987 |
| 4659664 | Structures containing immobilized microbial cells The strength of a bead containing microbial cells within a retaining permeable membrane is improved by incorporating finely divided sericitic clay particles within a hydrocolloid-containing composition used to form the membrane. The hydrocolloid is prefer... | 04/21/1987 |
| 4651791 | Collapsible structures primarily useful as wastebaskets A collapsible container primarily useful as a wastebasket can be constructed utilizing a flexible, tubular vertically oriented peripheral wall reinforced by vertically extending stiffeners and a rigid bottom fitting within the peripheral wall in order to ... | 03/24/1987 |
| 4645907 | Electric hot water heater A desirable electric water heater can be constructed by providing a housing containing three separate heating elements. These heating elements are connected in series with separate switches which are ganged together so as to be closed when there is a pres... | 02/24/1987 |
| 4645076 | Reel cover A reel cover which is primarily intended to be used in enclosing the space between the sides of a reel can be constructed from a single extruded strip of a polymer such as plasticized polyvinyl chloride. Such a strip as formed will have parallel ridges on... | 02/24/1987 |
| 4642947 | Operable wall An operable wall system having a primary track and several storage tracks intersecting said primary track can be improved by the use of rotary switches at the intersections of the primary and storage tracks and by the use of a positioning structure carryi... | 02/17/1987 |
| 4627921 | Treatment of water to lower the oxygen and the total organic carbon within the same The total organic carbon and oxygen in water may be reduced by adjusting the pH of the water to within the range of from about 4 to about 6.9 and then adding an excess of a reducing agent over the amount necessary to react with all of the organic carbon a... | 12/09/1986 |
| 4611626 | Fluid control valve A fluid control valve capable of controlling both a hot and cold water supply for an appliance such as a washing machine or the like includes a handle which can be used to simultaneously turn on and turn off both the hot and cold water supply, or allows f... | 09/16/1986 |
| 4610388 | Circuit board and component manipulation device A circuit board and component manipulation device includes a housing having a circuit board clamp located thereon for positioning a circuit board on the housing. Hot gas for soldering or desoldering operations can be directed to components on the circuit ... | 09/09/1986 |
| 4564249 | Miniature washing machine box A washing machine outlet box of the type capable of fitting within a wall and attaching to wall studs within this wall is improved by incorporating during the manufacture of said washing machine outlet box a disc as an integral part of the bottom wall, wi... | 01/14/1986 |
| 4562337 | Solder pot An electrical solder pot has a base with a hollow interior. A housing member also having a hollow interior attaches to the top of the base. The housing member further includes an opening at its top. A threaded socket is fitted in the base so as to accept ... | 12/31/1985 |
| 4561846 | Dental pantograph A dental pantograph capable of measuring mandibulary movement includes right and left side housings have orthogonally located X, Y and Z scales. The housing further includes X, Y and Z scale transducers for reading reference marks on the respective scales... | 12/31/1985 |
| 4553628 | Speaker system A speaker unit utilizing the sound radiation from the front and rear faces of a diaphragm can be constructed by placing the diaphragm in an acoustic baffle to isolate the back side and front side radiation and propogating the backside radiation through a ... | 11/19/1985 |
| 4552050 | Die, platen and joining means for attaching said die to said platen A set of platens locatable as for instance on a die shoe and a slide die each contain a recess sized and shaped so as to partially receive one die of a set of dies. The platens further contain a wall which extends between the outer periphery of the platen... | 11/12/1985 |
| 4543450 | Integrated connector and modem A data communication device which includes a terminal housing having a terminal connector forming a part thereof, with a modem located in the housing so as to be physically and electrically connected to a data terminal or computer when the terminal connec... | 09/24/1985 |
| 4541537 | Fluid tight seal for container A seal for a container having a straight cylindrical neck with an opening in the neck includes an upper sealing member which fits over the top of the neck and down a portion of the cylindrical surface of the neck. The top sealing member has a tapered edge... | 09/17/1985 |
| 4535002 | Process for rendering a material fire retardant A fire retardant material is formed by intimately associating the unexpanded form of perlite in association with a permeable mass of silica glass, said association is formed by permeating said perlite into said mass of glass. Preferedly the composition co... | 08/13/1985 |
| 4525273 | Drain grate with adjustable weirs A self supporting grate for a drain structure can be improved by including as part of the grate a mounting base sized and shaped to attach the grate to the drain structure. At least a portion of the grate is formed as a generally upwardly projecting wall ... | 06/25/1985 |
| 4522848 | Process of preparing a recording member having a variable thickness recording layer A magnetic recording disk is constructed wherein a disk substrate is overlayed with at least one non-recording layer. A recording layer is then overlayed on the non-recording layer with the thickness of the recording layer at those areas corresponding to ... | 06/11/1985 |
| 4522409 | Toy arcade game A toy arcade game has a housing with a motor located therein. The motor is connected via various drive trains to move a target through a target field, a target coordination member, and an attack mechanism including an attack coordination member. The targe... | 06/11/1985 |
| 4519788 | Toy having two bodies capable of connecting to a third body A toy has a front body and a rear body which are connectable directly to each other, or connectable to each other utilizing a third body, such as a pencil or the like. Both the front and the rear bodies include appendage members which contact a support su... | 05/28/1985 |
| 4515571 | Moving toy capable of being non-permanently assembled A toy which can be assembled in a non-permanent manner has a body which includes a first and second body section. Each of the first and second body sections includes a mating face. The mating face on each of the body sections is complementary to the matin... | 05/07/1985 |
