Sand blasting apparatus
The present invention provides the improvement of an abrasive induction probe which permits a loose abrasive material to be inducted into the apparatus without the need for a gravity fed hopper. The a... Read More
Inventors: Bruggeman, William L.; Myers, Claude B.;, Assignee: Cat Pumps Corporation (Minneapolis, MN) |
High strength, water resistant silicate foam
We claim: 1. A composition for producing a fire-resistant, high strength, low shrinkage silicate foam having high water resistance being an aqueous silicate dispersion mixed with about 45-60 parts wat... Read More
Inventors: Banks, William P.; Carlson, Jon R.; Becker, Donald E.;, Assignee: Continental Oil Company (Ponca City, OK) |
Prevention of subsurface seepage by acrylic acid polymers
What we claim and desire to protect by Letters Patent is: 1. A method of seepage control for bodies of non-flowing water in contact with porous substrata, which comprises contacting said porous substr... Read More
Inventors: Busler, William R.; Robinson, Donald G.;, Assignee: Nalco Chemical Company (Oak Brook, IL) |
Modular electronic desk
I claim as my invention: 1. A modular electronic desk assembly, comprising: a load supporting top structure comprising a frame unit of substantial length and width and having structural members for su... Read More
Inventors: Gazarek, Kenneth F.;, Assignee: Equipto Electronics Corporation (Aurora, IL) |
Modular building structures
What I claim is: 1. A modular building structure comprising a support structure including a plurality of spaced vertical columns, horizonal beams interconnected between columns to form a rigid support... Read More
Inventors: Kump, Ernest J.;, Assignee: |
Display system
The display system includes at least one display panel and a column at each edge secured to the display panel with each column being formed from a sheet of resilient material having opposite edges dis... Read More
Inventors: Carter, Wallace T.;, Assignee: |
Truss for fabric covered buildings and the like
OF THE ILLUSTRATED EMBODIMENTS: The invention provides a structural truss comprising at least one intermediate section in end to end alignment with two outside sections, each intermediate and outside... Read More
Inventors: Quiring, Richard; Stobbe, Nathan;, Assignee: Cover-All Shelter Systems (Saskatchewan, CA) |
Internal tray for a vibratory mill
What is claimed is: 1. A vibratory mill, comprising: a. a work chamber bowl connected to vibrator means for imparting an oscillating motion to the bowl; and b. a parts separator basket resting on part... Read More
Inventors: Kenton, Anthony F.;, Assignee: Nova Finishing Systems, Inc. (Hatboro, PA) |
Foldable refuse bag holder
OF PREFERRED EMBODIMENTS FIGS. 1 and 2 show refuse bag holder 10 made of wire and positioned vertically. At its upper end, refuse bag holder 10 has a closed wire loop 12 which is "D" shaped. Two wire... Read More
Inventors: Nugent, John T.;, Assignee: |
Direct current interrupter
The object of the present invention is to provide a direct current interrupter wherein the interrupter units and connecting lines thereof are arranged in such a way that magnetic field which gives bad... Read More
Inventors: Yanabu, Satoru; Tamagawa, Tohru; Ikeda, Hisatoshi; Mayama, Hidekiyo;, Assignee: Tokyo Shibaura Denki Kabushiki Kaisha (Kawasaki, JP) |
Low hazard extremely low frequency power transmission line
In accordance with one aspect of the present invention, potentially harmful electromagnetic radiation associated with high voltage power transmission lines is reduced or minimized by splitting the cur... Read More
Inventors: Ohkawa, Tihiro;, Assignee: General Atomics (San Diego, CA) |
Elimination of potentially harmful electrical and magnetic fields from electric blankets and other electrical appliances
FIG. 1 represents a plan view schematic of an electric blanket 10 with a conventional "twinlead" cable having two low-resistance heater current wires 11, and 12. The ends of the two conductors are pr... Read More
Inventors: Gross, Thomas A. O.;, Assignee: Trustees of the Thomas A. D. Gross 1988 Revocable Trust (Lincoln, MA) |
Electric blanket system with reduced electromagnetic field
What is claimed is: 1. An electric blanket system, comprising: a plug for connection to an AC power line voltage; a control module, comprising a diode ring connected to receive current from said power... Read More
Inventors: LaRue, John D.; LaRue, Jr., John D.;, Assignee: |
Air flow system for microwave ovens
It is, therefore, an object of the present invention to provide an air flow system for microwave ovens in which the above problems can be overcome and which lets the outside air be directly introduced... Read More
Inventors: Yu, Kyu Moon;, Assignee: LG Electronics Inc. (Seoul, KR) |
Laser beam welding
FIG. 1 shows a plate 1 along which, in the line shown, there impinges a laser beam 4, focussing at or near the surface. Energy in the beam vapourises a "key-hole" through the material with the vapour... Read More
Inventors: Martyr, David R.;, Assignee: British Shipbuilders (Newcastle upon Tyne, GB3) |
Motor-driven blower and method of manufacturing impeller for motor-driven blower
OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described with reference to the accompanying drawings. FIG. 6 is a perspective view of a vacuum cleaner relating to... Read More
Inventors: Obana, Takeshi; Nakamura, Kiyomi; Inagaki, Masahisa; Aono, Yasuhisa; Okamura, Hisanori; Suka, Hisao; Jyoraku, Fumio;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Battery powered coffee maker
I claim: 1. A coffee maker comprising a container and an insulated housing for said container, said container including opposed walls, a top, and a base, a first heating element in one of said opposed... Read More
Inventors: Frye, Helen G.;, Assignee: |
Water preheating connection piece
An object of the present invention is to provide a water preheating connection piece and a heating rod for the water preheating connection piece which can be economically manufactured. The water prehe... Read More
Inventors: Eller, Martin; Allgaier, Martin;, Assignee: Beru AG (Ludwigsburg, DE) |
Arc welding apparatus having pivotably mounted electrode carriage
It is an object of the present invention to provide an improved arc welding apparatus of reliable operation and relatively economical manufacture wherein physical contact between a welding electrode a... Read More
Inventors: Arter, William L.;, Assignee: Jetline Engineering, Inc. (Irvine, CA) |
Fluid jet cutting system with standoff control
OF THE INVENTION The present invention is especially useful in horizontal cutting operations involving vertical surfaces such as in the shaping of panel stiffeners and will be described in detail wit... Read More
Inventors: Smith, R. Craig; Allevato, John J.;, Assignee: LTV Aerospace and Defense Company (Dallas, TX) |
Method of and apparatus for adjustably leveling manhole covers, grates and the like
What is claimed is: 1. Apparatus for providing adjustable leveling of manhole covers, grates and the like within ground and similar structures, which comprises a substantially annular ring for support... Read More
Inventors: LeBaron, Francis;, Assignee: E.L. LeBaron Foundry Co. (Brockton, MA) |
Manhole cover support with flange borne on its own base
Reference is made to FIGS. 1-9. The arrows 1 of FIGS. 1 and 2 indicate generally the peripheral flange 1 (top ring) for a nominally 25-inch diameter manhole cover. The flange 1, with its annular, fla... Read More
Inventors: Bowman, Harold M.;, Assignee: |
Flush mount well protector
Stated generally, the invention is a monitoring well cover with a generally planar lid, a generally cylindrical rim, and one or more generally cylindrical skirts. The lid has threads on its side to se... Read More
Inventors: Kilman, deceased, John; Myers, Phillip L.;, Assignee: Kilman Electriloc Inc. (Stone Mtn., GA) |
Extended ridge roof vent
Therefore I claim: 1. A ridge roof vent to be positioned over a vent opening in a roof ridge, and to extend therebeyond over a gable end of the roof comprises; a ridge vent portion and a gable extensi... Read More
Inventors: Martin, Paul;, Assignee: |
Toy building units
The present invention provides construction elements which are quickly and easily assembled to provide a building which may be utilized in conjunction with other toys such as small cars and trucks. Th... Read More
Inventors: Murray, Dale L.; Dohse, Jerry L.;, Assignee: Tonka Corporation (Spring Park, MN) |
Adjustable and removable safety gate
In the view of the foregoing disadvantages inherent in the known types of safety gates now present in the prior art, the present invention provides an improved adjustable and removable safety gate. As... Read More
Inventors: Holland, Matthew W.;, Assignee: |
Concrete catch basin with spring retained manhole cover
In accordance with the foregoing objects, the pre-cast concrete catch basin of the present invention is provided with a pair of vertical substantially parallel side walls, a rear wall connecting the s... Read More
Inventors: Langeliers, Walter J.; Langeliers, Roger W.;, Assignee: Concrete Curb Inlets Co. (Springfield, OR) |
Fluid valve assembly
The present invention contemplates a fluid valve assembly having a fluid inlet, a hollow fluid control valve movable in a valve housing with an internal longitudinal bore of the valve receiving fluid ... Read More
Inventors: Bradley, Jerome R.; Long, Gregory F.;, Assignee: Ex-Cell-O Corporation (Troy, MI) |
Safety cutlery case with sharpening device
OF THE DISCLOSURE With reference to FIGS. 1 and 4, this invention is a cutlery case comprising a casing (1), in which are provided with a plurality of loaders for receiving various kinds of knives (7... Read More
Inventors: Huang, Francke L. D.;, Assignee: |
Louvre windows
According to the invention a blade holder for a louvre window comprises an elongated member having means for retaining an end edge of a louvre blade, a rebate of non-circular cross-section formed in t... Read More
Inventors: Thompson, Norman;, Assignee: Beta Aluminium Products Limited (Bridgnorth, GB) |
Gutter-related 
