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| Patent # | Description |
|---|---|
| US-4,872,823 |
Apparatus for forming a columnar reinforcement in a concrete wall panel Apparatus for forming a concrete panel for constructing a wall of a building in which a reinforcing column of concrete is integrally formed therewith. The... |
| US-4,872,822 |
Tire curing press mechanism To obtain and expedite an automatic engagement and disengagement of the bladder with respect to the relative operating mechanism, in particular in presses used... |
| US-4,872,821 |
Cotton candy machine A spinner assembly for a cotton candy machine. The spinner assembly includes a tubular wall member having an upright wall provided with slots. A tubular heater... |
| US-4,872,820 |
Axial flow fluid compressor with angled blade A compressor includes a cylinder, and a rotary rod arranged in the cylinder. A spiral groove is formed on the outer periphery of the rotary rod. The spiral... |
| US-4,872,819 |
Rotary gerotor hydraulic device with fluid control passageways through
the rotor A rotary fluid pressure device is disclosed comprising a housing having fluid inlet and outlet means and enclosing a gerotor having an internally toothed member... |
| US-4,872,818 |
Rotary pump having alternating pistons controlled by non-circular gears A rotary pump device comprises planet gear devices 4, 5 each composed of a center gear 6, 7, planet gears 8, 9 and an inner toothed annular gear 10, 11, all... |
| US-4,872,817 |
Integral deflection washer compressor wheel An apparatus and method are disclosed which ensures that a rotor-shaft assembly is in rotational balance after assembly of the individually balanced components... |
| US-4,872,816 |
Evacuation pump assembly A diaphragm pump is mounted on a frame or bracket. The inlet of the diaphragm pump connects with a flexible hose or tubing having a probe designed to fit into a... |
| US-4,872,815 |
Slant plate type compressor with variable displacement mechanism A slant plate type compressor with a variable displacement mechanism includes a compressor housing having a cylinder block with a plurality of cylinders which... |
| US-4,872,814 |
Variable displacement compressor passive destroker A passive destroker mechanism operated by centrifugal force is added to a variable stroke axial piston wobble plate refrigerant compressor. The destroker... |
| US-4,872,813 |
Disposable cassette for a medication infusion system A disposable cassette containing a fluid pump for use with a main unit including apparatus for driving the pump is disclosed which cassette utilized a... |
| US-4,872,812 |
Turbine blade plateform sealing and vibration damping apparatus A gas turbine rotor blade platform sealing and damping system has elongated symmetrical insert elements of equilateral triangular cross-section loosely received... |
| US-4,872,811 |
Inboard servo for marine controllable pitch propellers An inboard servo for a controllable pitch propeller of the force rod type comprises a feedback device having at least two feedback rods connected to the piston... |
| US-4,872,810 |
Turbine rotor retention system Damping of a turbine rotor is attained by a weighted member trapped between pockets formed in the neck of adjacent blades at one end and a space between the disk... |
| US-4,872,809 |
Slurry pump having increased efficiency and wear characteristics A high efficiency centrifugal slurry pump having satisfactory wear characteristics. The increased efficiency is obtained primarily through making the pump more... |
| US-4,872,808 |
Centrifugal pump modular bearing support for pumping fluids containing
abrasive particles A submersible centrifugal pump is disclosed. It includes a housing with a linear stack of axially mounted pumping units therein. Each unit constructed as a... |
| US-4,872,807 |
Static pressure system for gas turbine engines A pressure sensing system strategically located measures static pressure of the inlet air of a gas turbine engine that is utilized as a signal indicative of... |
| US-4,872,806 |
Centrifugal pump of vortex-flow type A centrifugal pump of the vortex-flow type includes a pump housing defining therein an arcuate pump chamber in surrounding relationship with a central sealed... |
| US-4,872,805 |
Water powered device A number of embodiments of water powered devices that are adapted to be positioned in a stream of moving water and which carry water wheels for driving a driven... |
| US-4,872,804 |
Wind turbine having combination wind deflecting and frame orienting
means as well as dual rudders A device for generating power from wind which includes a shaft extending in a longitudinal direction and propelling elements mounted on the shaft. The shaft is... |
| US-4,872,803 |
Force controlling system In a force controlling system, a movable member fixed to an elastic member applies a force to an object in correspondence with a force reference signal. At this... |
| US-4,872,802 |
Apparatus and method for removing the contents of a can An apparatus for removing the contents of a can which uses a conventional can opener having a triangularly shaped outside edge forward portion for opening a can.... |
| US-4,872,801 |
Side refuse loader for vehicles A trash collecting apparatus is described for mounting on a trash collection vehicle for one man side loading operation. A pair of spaced apart parallel guide... |
| US-4,872,800 |
Unit goods storage A unit goods storage includes racks (1) a frame-work (2) of which is made up each of vertical masts giving support to stacks of cantilever shelves (3,4) facing... |
| US-4,872,799 |
Boat transfer and queuing furnace elevator and method A novel boat transfer and queuing furnace elevator and method includes an X, Z, and Y assembly movable between furnace processing tubes, a furnace loading... |
| US-4,872,798 |
Vessel to dock cargo transfer apparatus A transfer frame mounted on a dock and formed with a pair of side by side elevator towers extending upwardly to about the level of the uppermost container on a... |
| US-4,872,797 |
Book opening apparatus An apparatus for opening a book having a plurality of pages held in assembled relation with adjacent foredges substantially in contact with one another. The... |
| US-4,872,796 |
Compound device for punching and binding A main shaft in this device may rotate reciprocatingly within a certain angle to make a row of punch blades up and down reciprocatingly, of which one end is set... |
| US-4,872,795 |
Nut assembly with rotatable sleeve for taking up backlash A nut assembly comprises two end-to-end nuts threaded onto a screw and coupled by splines which prevent relative rotation between the nuts while permitting... |
| US-4,872,794 |
Tank mounting apparatus A tank mounting apparatus includes a mounting rack having a full-size tank base location defined thereon, and including a plurality of mounting brackets for... |
| US-4,872,793 |
Method of and apparatus for serrating a steering wheel The boss of a steering wheel is serrated by setting the steering wheel on a serrating broaching machine, inserting a serrating broach into a through hole defined... |
| US-4,872,792 |
Pistol grip checkering A pistol grip checkering method, device and product having mill cuts both laterally and longitudinally on the convex face of a pistol grip frame. The cuts are... |
| US-4,872,791 |
Method of forming crowned gear teeth A method of manufacturing hubs for flexible gear couplings is disclosed wherein the teeth of said hub are cut while the hub is being moved constantly through the... |
| US-4,872,790 |
Segmented die A threading or rethreading die made up of a plurality of complementary separable interfitting parts held together by a tension spring disposed around the... |
| US-4,872,789 |
Method and apparatus for machining valve seats and valve stem guides in
a deep-walled engine monoblock workpiece Valve seats are machined at the end of an axially deep, narrow cavity of a workpiece having an axially clampable surface within the cavity adjacent one or more... |
| US-4,872,788 |
Multi-spindel drilling machine A multi-spindle drilling machine for simultaneously drilling a plurality of holes, in particular suitable for drilling a plurality of tiny, closely-spaced holes,... |
| US-4,872,787 |
Method of drilling printed circuit board In a method of drilling a printed circuit board according to the present invention, an entry feed rate at which a drill is fed into the printed circuit boards... |
| US-4,872,786 |
Solid particulate aerosol generator An apparatus and a method are provided for producing a solid particulate aerosol which is sufficiently precise in concentration to be suitable for testing HEPA... |
| US-4,872,785 |
Shut-off means for air-actuated planter A shut-off means for an air-actuated planter is disclosed, which includes a butterfly valve located within the air manifold of the planter unit, which is... |
| US-4,872,784 |
Ditch lining apparatus and method and product therefrom Mobile continuous ditch lining apparatus includes a supporting portion, a raw material supplying portion, a mixing portion, a mixture delviery portion, a matrix... |
| US-4,872,783 |
Balanced buoyancy control diving gear Diver's gear including a unit having front and rear panels and at least one built-in dual bladder or cell assembly which includes a cell within a cell. The... |
| US-4,872,782 |
Artificial substrates for marine biomass enhancement and wave energy
absorption Artificial substrates for use in open sea enhancing biomass and/or absorbing wave energy, improved by means of particular dispositions and devices concerning... |
| US-4,872,781 |
Open top floatable barge repair box with barge to box sealing system The present disclosure is directed to a watertight floodable barge repair box of generally L-shape, viewed from its end, having a leg and a foot. The leg has an... |
| US-4,872,780 |
Manhole cover support with box flanging An improved manhole cover support adapted to raise the effective grade of an existing manhole cover receiving structure such as a manhole cover frame is shown.... |
| US-4,872,779 |
Joint device of structure member A device for joining elongate structure members to connector nodes includes a bolt having oppositely threaded ends for threaded engagement with a nut at one end... |
| US-4,872,778 |
Coating dispensing cartridge and spout therefor A coating dispensing cartridge and spout therefor, includes a device defining a guide surface co-planar with the exit end of the spout orifice, to enable the... |
| US-4,872,777 |
Means and method of eradicating images from electrostatic media Means and method for eradicating (i.e. removing) images affixed to copies of drawings or other documents made on electrostatic media by electrostatic copiers. |
| US-4,872,776 |
Lead chuck of mechanical pencil A lead chuck of a mechanical pencil to be assembled into a lead feeding mechanism of a rear end knock type, an automatic lead feeding type and an extremity end... |
| US-4,872,775 |
Note paper-holding pen A slip-holding pen includes a slip reel, having a paper roll with its two opposite ends coated and bonded by an adhesive, rotatably mounted in a penholder and a... |
| US-4,872,774 |
Instrument for writing and drawing A writing and drawing instrument comprises a main body of elongate shape having a first and a second writing end, a first and a second auxiliary body of elongate... |
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