Celebrity Inventors
Superstar singer Michael Jackson co-patented a "Method and means for creating anti-gravity illusion" in 1993.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5218859 | Method and apparatus for monitoring a conduit system for an incompressible fluid for leaks The procedure for monitoring leakage of incompressible fluid includes introducing a predetermined volume of testing fluid into a conduit system at a pressure about the same as that at the source of the pressurized fluid during a testing period when no flu... | 06/15/1993 |
| 5143286 | Thermostatic valve A thermostat top part is mounted to a valve housing for rotation relative thereto and is axially removably secured thereto. The thermostat top part has a retaining ring surrounding and rotatable relative to a hollow cylindrical base foot. A clamping eleme... | 09/01/1992 |
| 5123508 | Clutch and brake arrangement switchable by a compressible fluid, especially pneumatically A housing mounts an input shaft with a clutch flange thereon, and an output shaft with an annular friction member thereon to divide the housing clutch chamber into two separate operating chambers. A brake ring has a first friction face facing the friction... | 06/23/1992 |
| 5115685 | Torque meter The torque meter has a shaft with a reduced diameter intermediate portion with a sleeve that at its axial opposite ends is in fixed axial and rotational relation thereto. The sleeve intermediate portion has circumferentially extending lugs that are joined... | 05/26/1992 |
| 5107584 | Method of manufacturing a flexible and waterproof electric circuit An electric unit with a plurality of electric circuit elements is manufactured to connect terminals of the electric circuit elements directly using flexible conductors and the entire electric unit is covered by a deformable and contractile tube. Entrance ... | 04/28/1992 |
| 5097920 | Hydraulic steering unit Hydraulic steering mechanism is extended through an aperture in an end wall in a housing that has a pressure chamber, the steering mechanism including a slide rotatable with the steering column. An axial bearing is mounted by the end wall for rotatably mo... | 03/24/1992 |
| 5090895 | Device for preventing oil from dripping out of the burner nozzle of an oil-fired heating system For reducing the unwanted escape (dripping) of oil from a burner nozzle, nozzle holder, oil warmer apparatus is provided to continuously regulate the oil temperature during operation of a oil fired heating system to maintain a nearly constant oil volume i... | 02/25/1992 |
| 5085400 | Valve A stepped piston is axially displaceable in the stepped piston valve chamber and has a front face facing the front face of the valve seat and an axially opposite surface formed at the juncture of its piston head portion to its reduced diameter shaft porti... | 02/04/1992 |
| 5069075 | Mass flow meter working on the coriolis principle The flow meter works on the Coriolis principle and has a measuring tube and at least two energy converters. At least one of the energy converters is an oscillation exciter for oscillating the tube to generate a wave traveling along the tube and an oscilla... | 12/03/1991 |
| 5062305 | Method of making a measuring tube for an electromagnetic flow meter, and the measuring tube The measuring tube is for an electromagnetic flow meter and has a tube member made of a non-magnetic material that is provided with opposite through passages that have electrodes extended therethrough. An insulating lining of an enamel priming layer coats... | 11/05/1991 |
| 5054742 | Magnetic valve The magnetic valve includes a magnetic coil, at least one valve seat, a valve shank surrounded by a valve plate member and movable upon energizing of the coil to move the surrounding valve plate member away from the valve seat to permit fluid flow thereth... | 10/08/1991 |
| 5046519 | Method and apparatus for monitoring a fluid conduit system The method and apparatus is directed to monitoring a fluid conduit system for leaks, particularly a leakage flow of less than 25 liters per hour. After closing a main valve that fluidly connects a fluid source to the conduit system, the time is measured f... | 09/10/1991 |
| 5038672 | Hydraulic rotary actuating apparatus The apparatus includes a steeped axially displaceable piston in a stepped cylinder housing, and a rotary shaft is axial fixed relative to the housing and extends into the piston reduced diameter end portion. The piston reduced diameter portion and the hou... | 08/13/1991 |
| 5033713 | Temperature-sensitive actuating apparatus for a servo-apparatus The temperature sensitive apparatus controls fluid flow from one line to others and includes an elongated wire of a shaped memory wire that changes in length with changes in temperature extended into a valve housing for pivotally moving valve mechanism in... | 07/23/1991 |
| 5031468 | Flow meter working on the Coriolis principle (III) In a flow meter that works on the Coriolis principle there is provided a single tube that is bent to have two measuring loops. Upper and lower tube attachment end portions are respectively connected through resilient tubular portions to the opposite ends ... | 07/16/1991 |
| 5020375 | Flow meter working on the Coriolis principle (II) In a flow meter that works on the Coriolis principle there is provided a single tube that is bent to have two measuring loops and a single tube section that connects the adjacent ends of the measuring loops. Tubular attachment end portions are respectivel... | 06/04/1991 |
| 5019114 | Moulding tool and method of making same The moulding tool has an annular die providing a moulding cavity, an inner ring abutting against the die outer peripheral surface and an outer ring abutting against the inner ring outer peripheral surface. The inner ring is made of a material having a hig... | 05/28/1991 |
| 5007247 | Refrigeration or heat pump installation The refrigeration or heat pump installation includes a liquid separator that has a vapor chamber having a port connected to the outlet of the evaporator and an outlet connected through a suction conduit to a compressor. The separator also has an intermedi... | 04/16/1991 |
| 5002230 | Valve for an atomizing nozzle and the like Disclosed is a valve that is particularly useful in a pressure atomizing nozzle of a heating installation and includes a valve housing in which there is a valve seat with an adjoining valve chamber and a flow passage that opens to a housing outlet. In the... | 03/26/1991 |
| 5000001 | Dual load-sensing passage adjustable relief valves for hydraulic motor control There is provided control apparatus for controlling fluid flow between a bidirectional motor, a pump and a container, and includes a control valve that has a slide operative between neutral and first and second operative positions. A compensating valve is... | 03/19/1991 |
| 4982928 | Water outlet fitting with sound damper insert A water outlet fitting has a housing that includes first and second housing portions with a water outlet passage opening to the water inlet passage at an angle with a sound damper insert extended into part of the outlet passage in the first housing portio... | 01/08/1991 |
| 4981070 | Multi-part piston for servomotor A servomotor is actuated by a pressure medium and has a piston reciprocated in the cylinder, the piston being mounted by a piston rod that extends through a cylinder end wall. The piston has a piston member bearing against the cylinder and is mounted for ... | 01/01/1991 |
| 4981159 | Hydraulic control valve with pressure sensing means A hydraulic control valve and sensing mechanism for controlling flow between a motor and a pump and container that includes a slide mounted in a housing bore for movement between a neutral position and two operative position. The slide has a central colla... | 01/01/1991 |
| 4972761 | Hydraulic safety brake valve arrangement for load lowering A hydraulic safety brake valve arrangement for a motor controlled by a directional control valve. The safety brake valve arrangement has a main valve closing the load lowering conduit in a rest position. Pump pressure opens the main valve to throttle exha... | 11/27/1990 |
| 4967885 | Clutch and brake apparatus operable by a compressible fluid, particularly pneumatically Clutch and brake apparatus that is operable by a compressible fluid, particularly pneumatically, includes input and output shafts mounted in a common housing that has a clutch chamber. A clutch plate and a clutch flange are mounted in the clutch chamber w... | 11/06/1990 |
| 4966006 | Refrigeration plant and method of controlling a refrigeration plant The refrigeration plant disclosed herein includes an evaporator, a compressor connected to the outlet of the evaporator, a condenser connected to the outlet of the compressor, a controllable expansion valve connected to the outlet of the condenser and hav... | 10/30/1990 |
| 4955444 | Hydrostatic steering device In order to prevent kick-back at the steering element that controls a fluid steering motor, there is provided hydrostatic steering apparatus that includes a control device connected between a priority valve and the steering motor. A load pressure conduit ... | 09/11/1990 |
| 4941505 | Oil supply system for a burner nozzle including means for preventing the nozzle from dripping In order to prevent dripping in an oil supply system for a burner nozzle there is provided a pump stop valve in the supply line that connects the pressure outlet of the pump to the burner nozzle and a nozzle shut-off valve in the supply line between the p... | 07/17/1990 |
| 4940538 | Apparatus for decalcifing water by producing turbulence An inlet nipple and a housing having a water passage extending therethrough that have first, second and third water bore portions of progressively larger diameters in a downstream direction. A variable throttle point is formed by a fixed member and a mova... | 07/10/1990 |
| 4939952 | Connecting rod for an axial piston compressor There is provided a connecting rod for connecting a crank pin of an electric motor to a reciprocated piston. The connecting rod includes a sheet metal shaped member that at each end has a deep drawn cylinder mounting which in turn mounts a bushing that is... | 07/10/1990 |
| 4910492 | Electric laminar resistor and method of making same An electric laminar resistor and the method of making same wherein a thin metal film is applied to a ceramic substrate. Metal film material is removed to form a resistance track and recessed connecting zones at opposite ends of the track. A burnt-in thick... | 03/20/1990 |
| 4901916 | Thermostatic mixing valve A thermostatic mixing valve has a connection housing and an attachment housing which are joined together at abutting surfaces. The connection housing has hot, cold and mixed water passages which mate with respective hot, cold, and mixed water passages in ... | 02/20/1990 |
| 4901830 | Clutch and brake apparatus operable by compressible fluid, especially pneumatically A housing mounts an input shaft with a clutch flange thereon, an output shaft with a clutch plate thereon, and bearings, sleeves and adjustment nuts for retaining the shafts in selected axially adjusted positions. The clutch plate and flange extend within... | 02/20/1990 |
| 4893007 | Rotary machine with a measuring device for the angle of rotation The invention relates to a device or arrangement for measuring the angle of rotation of the rotor of a rotary machine. Markings are applied circumferentially to a part of the rotor that is enclosed by the housing and a passage is provided in the housing w... | 01/09/1990 |
