Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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 |
| 4828492 | Dental implant The present dental implant comprises a hollow perforate trans-mandibular or -maxillary bolt, adapted for receiving a trephined core of bone, for transverse implantation in the maxilla or mandible in conjunction with contiguous straps. These contiguous str... | 05/09/1989 |
| 4750977 | Electrochemical plating of platinum black utilizing ultrasonic agitation Platinum black is electrochemically plated onto a conductive substrate, such as a platinum electrode, by positioning a counter electrode and the conductive substrate in a platinum(IV) ion plating solution. An electric current is passed through the counter... | 06/14/1988 |
| 4750493 | Method of preventing brain damage during cardiac arrest, CPR or severe shock A method for cooling the extracranial area including the face and, optionally, also including the mandible, during emergency care of cardiac arrest or severe shock; the method is preferably implemented by means of a hood- or cap-like topical cold pack whi... | 06/14/1988 |
| 4749199 | Seal assembly including a sealing ring having internal lubricant passageways A shaft seal assembly having an annular member affixed to the shaft for rotation therewith, a sleeve encompassing the shaft and being biased axially towards the annular member and a free floating sealing ring interposed between the annular member and the ... | 06/07/1988 |
| 4747397 | Flexible pad for direct myocardial tissue massage having thumb loop A surgical accessory, and method for using it, for facilitating manual cardiac massage. The device is a generally disc-shaped pad adapted to receive the thumb of the user and to append from the inner thumb surface. The pad is approximately 3-10 centimeter... | 05/31/1988 |
| 4748502 | Computer vision system based upon solid state image sensor A system for computer vision in association with a computer comprises a solid state image sensor or optic ram, a lens, a clock circuit for sequentially addressing the image sensor, and an edge detect circuit for detecting edges in the output bit stream of... | 05/31/1988 |
| 4747451 | Level sensor A system for controlling production in an oil well comprises a first level sensor mounted upon the outer surface of the tubing near the lower end of the tubing and a second level sensor mounted upon the outer surface of the tubing above the first level se... | 05/31/1988 |
| 4746230 | Tilt pad journal bearing A tilt pad bearing assembly for use in supporting a rotating shaft is disclosed. The bearing assembly includes lubricant means for effectively cooling separate individual bearing pads, and separate cooling channels for selectively cooling a portion of the... | 05/24/1988 |
| 4743227 | Column for continuous particle fractionation apparatus utilizing centrifugal field There is disclosed a column for use in a continuous particle separation apparatus utilizing a centrifugal field. The column comprises a column base constituting an outer frame, a spacer having a cutout portion at its center, an intermediate ring having a ... | 05/10/1988 |
| 4742740 | Automatic rod guide adjusting method for a numerically controlled lathe and lathe for carrying out the method A controlled lathe having a rotatable main spindle with a hollow interior and a plurality of radially adjustable guide bodies for guiding a rod having a portion located within the hollow interior of the main spindle. Each guide body rests on a support bod... | 05/10/1988 |
| 4743852 | Coil for NMR probe In NMR spectrometers, a probe coil has been disposed close to a sample that is placed in a uniform polarizing magnetic field. Conventionally, this coil has comprised several turns which are wound on the curved surface of a cylindrical sample region. The p... | 05/10/1988 |
| 4742630 | Parking meter advertising device An advertising box which can be attached to a post, such as a parking meter support post, comprises a pair of similarly-shaped, flexible flat panels, each panel including a four-sided center section hingedly connected along respective edges to an upper, l... | 05/10/1988 |
| 4741664 | Portable pump An axial flow liquid pump comprises an outer tube, an inner tube positioned within the outer tube, and a driven shaft journaled within the inner tube. An impeller is secured near to the lower end of the shaft. A conduit delivers liquid to be pumped from t... | 05/03/1988 |
| 4741227 | Tractor transmission to permit smooth change of speed operation effectuated by rotational resistance A transmission system for a tractor comprising a double clutch for transmitting engine output to an inner shaft consitituting part of a propelling line and to a tubular outer shaft constituting part of a power takeoff line. The double clutch includes a fi... | 05/03/1988 |
| 4740945 | Sound reproducing apparatus for non-rotating plate-shaped or sheet-like sound carriers In a sound reproducing apparatus for non-rotating plate-shaped or sheet-like sound carriers a pickup comprising a tone arm and a pickup system, is supported to swivel in horizontal and vertical directions on a rotating vertical-axis tone arm table operabl... | 04/26/1988 |
| 4740211 | Chromium-free tanning process The present process yields superior leather materials from limed hides, without the use of chromium salts, by combining a series of essential method steps in a sequence which yields leather having a "chrome" character. The present chromium-free tanning pr... | 04/26/1988 |
| 4739646 | Method of testing an offshore structure for mechanical faults A method of testing offshore structures for mechanical faults includes the application of a tensile force to the structure from an outside point such as a tug boat the abrupt uncoupling of the tensile force from the structure and the detecting and indicat... | 04/26/1988 |
| 4738165 | Saw chain file guide A file guide for filing a depth gauge on a saw chain cutter having a cutting tooth with a cutting tip while the cutter is connected as a part of a continuous saw chain. The file guide is adapted to rest on the saw chain incorporating a plurality of cutter... | 04/19/1988 |
| 4737715 | Coil system for nuclear magnetic resonance spectrometer probe In a coil system for an NMR spectrometer probe, a coil is wound around a cylindrical volume for containing the sample. The coil is used for producing an RF magnetic field in a direction perpendicular to the axis of the cylindrical volume. Leads from the c... | 04/12/1988 |
| 4737455 | Analytical utilization of phagocyte cell lines The property of phagocyte cells to show chemiluminescence when activated by certain chemical or immunological agents is used for a qualitative and quantitative analysis of such agents in biological fluids. A variety of factors such as opsonizing anti-bodi... | 04/12/1988 |
| 4735702 | Method of producing an ISFET and same ISFET A process for modifying an oxide surface of a semi-conductor material, for example included in an ISFET, wherein a coating of a polymer is applied to the oxide surface. The polymer is chemically bonded to the oxide surface. Optionally a second coating can... | 04/05/1988 |
| 4733659 | Foam bandage A disposable bandage, and a process for manufacturing it, which is prepared from a single sheet or strip of liquid permeable, flexible thermoplastic hydrophilic foam. The process includes coating the entire surface of one side of a foam sheet or strip wit... | 03/29/1988 |
| 4732796 | Refractory sheathing for pipes in preheating furnaces A refractory sheathing (1) of incombustible, compressed, flat insulating bodies (8) made of mineral or ceramic fiber for thermally insulating pipes (10) in preheating furnaces fired from below in the steel industry is described. The insulating bodies (8) ... | 03/22/1988 |
| 4730182 | Combination heat-sensing fire detector In a combination heat-sensing fire detector provided with a differential diaphragm electric contact and a contact which operates at a predetermined temperature, a shape memory effect element is used as a device which operates at a predetermined temperatur... | 03/08/1988 |
| 4722158 | System of individual modules which can be fitted together to form decorative or artistic panels A system of individual modules, which can be fitted together for the formation of decorative or artistic panels is disclosed. The individual modules have geometrical figures in high relief, therefore defining two different planes, the first determined by ... | 02/02/1988 |
| 4717880 | ESR spectrometer having split-ring resonator The prior art split-ring resonator for use in an electron spin resonance (ESR) spectrometer comprises a circular cylinder made from an electrically conductive material and housed in a metallic tube. The cylinder is provided with a split extending axially ... | 01/05/1988 |
| 4715636 | Gripper including an exchangeable gripping jaw A gripper comprises two supporting coupling members (18) each adapted to be coupled with an exchangeable gripping jaw (20) and clamped together by a coupling plug (26), a transversely displaceable locking member (36) and a spring assembly (60) in the long... | 12/29/1987 |
| 4715291 | Railroad car door bottom guide rail system A railroad car arranged to transport vehicles includes a floor, a roof, a pair of spaced side walls and at least one door assembly suspended for movement from a closed position at an end of the car to an open position adjacent a side wall for the loading ... | 12/29/1987 |
| 4714622 | Blast material for mechanical plating and continuous mechanical plating using the same A blast material for the mechanical plating and a continuous mechanical plating process. The blast material comprises up to 90% by weight of steel shot not less than 10% by weight of an alloy powder which comprises 2.5-50% by weight of iron, not more than... | 12/22/1987 |
| 4714882 | Two-dimensional nuclear magnetic resonance spectroscopy method In accordance with the invention, two detection periods t2 and t2 ' are set by the use of a pulse train essentially consisting of three pulses. Free induction decay signals FIDa and FIDb obtained during the two periods, respectively,... | 12/22/1987 |
| 4711231 | Implantable prosthesis system A surgically implantable prosthesis system including at least one flexible inflatable member and an imperforate housing. A flexible combination reservoir and pump located within the housing for storing liquid when the inflatable member is deflated and for... | 12/08/1987 |
| 4710639 | Ion beam lithography system When ions are implanted into desired locations on a material surface using a focused ion beam system, it is necessary to incline the direction of the implantation at about 7° to a line normal to the material surface. The system according to the present i... | 12/01/1987 |
| 4708593 | Surgeless combustion air blower A surgeless combustion air blower which, due to the incorporation therein of an impeller having a novel configuration and blade shape, does not surge under periods of low turn-down, and yet which demonstrates comparable volume capacity as conventional imp... | 11/24/1987 |
| 4708559 | Reinforcing washer for a mine roof bolt assembly A reinforcing washer for use in a mine roof bolt assembly comprising a roof bolt having a shaft portion, an embossed bearing plate having a surface which substantially contacts the mine roof, an opposite surface and an aperture through which the roof bolt... | 11/24/1987 |
| 4708087 | Outboard motor mounting device The outboard motor mounting device comprises a body having a hollow interior to provide buoyancy to the mounting device. The body has a bottom wall, opposed side walls, a front wall, a rear wall and an upwardly facing concave formation. A first flange is ... | 11/24/1987 |
| 4709392 | Dome speaker with a diaphragm having at least one elongated cut-out portion A dome speaker comprising a dome-shaped diaphragm formed of a highly rigid material such as titanium or a titanium alloy, and having at least one elongated cut-out portion which varies the rigidity of the diaphragm and prevents a dip in the anti-resonance... | 11/24/1987 |
| 4704053 | Versatile roof bolt assembly The anchor bolt assembly is of the type used in mine roofs and the like in which the anchor bolt assembly is positioned in a bore hole of a rock formation. The bolt assembly includes an elongated shaft having a frustoconical shaped plug at the upper end o... | 11/03/1987 |
| 4703656 | Temperature independent ultrasound transducer device An ultrasound transducer device for use below and above room temperature comprises a case secured to a cup-shaped ceramic piece having a substantially flat end wall. The outer surface of the end wall comprises a face through which ultrasound is transmitte... | 11/03/1987 |
| 4702165 | Fluid pressure screen printing apparatus, holder and assembly Screen printing apparatus for directly printing indicia on a substrate, such as a cap, comprising a screen print assembly including a replaceable screen holder, means for introducing fluid under constant pressure to said screen holder, and means on said s... | 10/27/1987 |
| 4703234 | Charged-particle accelerator With an accelerator for accelerating an electron beam by a voltage of about 400 KV having a stability of 10-6, it is difficult to use a flexible, insulated cable to feed the output from a power supply to an electron beam and an accelerating tub... | 10/27/1987 |
