Did You Know...
...that the Band-Aid Bandage was invented by a Johnson & Johnson employee whose wife had cut herself? Earl Dickson's wife was rather accident prone, so he set out to develop a bandage that she could apply without help. He placed a small piece of gauze in the center of a small piece of surgical tape, and what we know today as the Band Aid bandage was born!
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| Number | Title | Issue Date |
| 4613492 | Production of synthesis gas A process for the production of ammonia wherein excess nitrogen is fed to the secondary reformer and a cryogenic unit is employed to obtain a nitrogen-rich stream which is recycled at least in part to the cryogenic unit.... | 09/23/1986 |
| 4584958 | Boat bumper A bumper for protecting the hull of a boat comprising a plurality of one-piece bumper bodies of resilient deformable material positioned end-to-end. Each of these bodies has a curved portion with a periphery forming a partial cylinder extending through an... | 04/29/1986 |
| 4517935 | Device for transmitting movement The device comprises a rocker arm formed with a main bearing surface mounted on a main bearing and further bearing surfaces which co-operate with the upper ends of exhaust and inlet valves and pushrods respectively. Movement of one pushrod to open the inl... | 05/21/1985 |
| 4463487 | Method of manufacturing piston rings The manufacture of piston rings for internal combustion engines comprises making a ring blank of which the diameter over the outer periphery is greater, and the diameter within the inner periphery is less than that required in the finished ring. A gap is ... | 08/07/1984 |
| 4454512 | Secondary radar system A distance measuring system in which a first station (FIG. 1) radiates a modulated carrier wave and a second station (FIG. 2) receives that wave, and retransmits the modulation on a carrier wave back to the first station, which compares the phases of the ... | 06/12/1984 |
| 4451157 | Combined time and temperature indicating device A watch dial face is provided with liquid crystal numerals which, in the case of a regular watch face, is located at the twelve positions on the face of the watch. The liquid crystal at these positions range to indicated temperature from minus ten degrees... | 05/29/1984 |
| 4450971 | Folding rack A method of assembling a folding rack is provided which makes horizontal hollow beam members collapsible but not vertical hollow support members. The horizontal hollow beam members are pivotally connected with the support members through connectors. Each ... | 05/29/1984 |
| 4384838 | Pie crust cutting and decorating apparatus An apparatus for cutting out and simultaneously decoratively impressing a top crust for a filled pie from a rolled out sheet of dough having a flat annular sturdy plate with an upper side from the center of which a handle projects and with an underside fr... | 05/24/1983 |
| 4373510 | Venting system for oil or gas-fired appliances A venting system for the combustion chamber of an oil or gas-fired heating appliance has an elongate diverter box arranged vertically exteriorly of the heating appliance. Such diverter box has an upper end tightly closed off by an insulated imperforate co... | 02/15/1983 |
| 4369807 | Protective fire hydrant guard The operating stem of a hydrant is protectively surrounded by a steel collar which upstands considerably above such stem so that only a special deep socket for a wrench can be used to engage and turn the stem. When the hydrant is without a weather guard t... | 01/25/1983 |
| 4370057 | Method of verification of a sheet element, such as a banknote A sheet element, such as a banknote, has an incorporated authenticating device comprising a film having at least one edge which is provided with a non-rectilinear portion or portions shaped to provide coded information relating to the sheet element. The s... | 01/25/1983 |
| 4367140 | Reverse osmosis liquid purification apparatus In apparatus for the reverse osmosis purification of water or other fluid in a module containing a membrane, the water is forced into the module under pressure using two piston-cylinder assemblies mechanically interconnected with the pressurized fluid fro... | 01/04/1983 |
| 4358910 | Security gate A security gate for a window or other aperture of a building includes a grille which is hingedly mounted at one side to a frame member which is secured within the aperture. The ends of the bars of the grille opposite the hinge enters slots in part of the ... | 11/16/1982 |
| 4359230 | Piston ring with wear resistant coating A piston ring for use in a reciprocating internal combustion engine or in a compressor. The ring has an outer peripheral surface provided with a rotary finish machined curved center portion, rotary finished machined chamfer edges and a final finish plated... | 11/16/1982 |
| 4350112 | Ocean transporter vessel The disclosure of the invention pertains to a multipurpose ocean carrier into which a full cargo of barges or other vehicles can be loaded by first submerging the carrier to a point where the lower deck of the carrier is submerged deeply enough to allow b... | 09/21/1982 |
| 4344412 | Log supporting rack for use in a fireplace A log supporting rack has a pair of structurally unconnected individual frames adapted to be arranged in selectively variable spaced apart side by side relation on the hearth of a fireplace. Each frame is formed from a one piece metal rod bent upon itself... | 08/17/1982 |
| 4341313 | Shelving for pallets A shelving for pallets in which the compartments defined by the frame are continuous in side by side relation and on top of one another and adapted to receive at least three pallets one behind the other on a support which is inclined toward a common loadi... | 07/27/1982 |
| 4309686 | Carbon strain gage This invention relates to improvements in weldable strain gages of the type comprising a strain-sensing filament mechanically coupled to a strain-deformable housing. In a preferred embodiment of the invention, the strain-sensing filament comprises a carbo... | 01/05/1982 |
| 4304548 | Sesame frozen lock opener The present invention is directed to a device for opening frozen locks on a motor vehicle, padlock or any locking mechanism which is subject to the elements. The device according to the present invention includes a key mounted on the closure lid of a ciga... | 12/08/1981 |
| 4302125 | Ground area marker, especially for a golf course A marker for ground areas has a hollow cylindrical rigid body with an open end and a closed end, the open end constituting the bottom and the closed end constituting the top when the marker is embedded in the ground. Such rigid body is forced under pressu... | 11/24/1981 |
| 4298224 | Eaves cleaning implement An implement for cleaning leaves and other debris from overhead gutters or eaves of a building by a single operator with a to-and-fro motion while standing on the ground has a cleaning tool of one-piece construction and composed of a substantially U-shape... | 11/03/1981 |
| 4297823 | Hollow wall repair device Apparatus is disclosed for repairing holes in hollow walls such as wallboard or sheetrock or the like. The apparatus comprises an interior plate having a positioner guide thereon so that when the interior plate is inserted through the hole to be repaired ... | 11/03/1981 |
| 4290630 | Security devices A sheet element, such as a banknote, having an authenticating device in the form of a strip extending across the sheet and having at least one edge provided with a non-rectilinear portion or portions providing difficulty in copying for the forger and pref... | 09/22/1981 |
| 4282749 | Strain measuring system This invention relates to strain measuring systems. In a preferred embodiment of the invention the system comprises four (4) strain responsive tubes arranged in bridge fashion and carrying a fluid stream under pressure. As strain deforms the tubes the flu... | 08/11/1981 |
| 4274875 | Powder metallurgy process and product The invention consists of a process for the production of articles by powder metallurgy including the step of adding powdered mica to the metal powder before compacting and sintering. It also extends to a sintered metal product containing mica, in particu... | 06/23/1981 |
| 4271239 | Sintered metal articles and process for their manufacture A sintered metal article such as a piston ring or a sealing ring (in particular those having a cross-section area not exceeding 20 mm2) having a density which is at least 88.5% of the theoretical density, having a fine machined surface finish, ... | 06/02/1981 |
| 4249415 | Apparatus for measurement of compressive loads Apparatus is disclosed for measuring compressive loads and more specifically for measuring the "diametral load to close", of a gapped piston ring or sealing ring. The ring is mounted in a vertical plane so that the diameter through its gap is substantiall... | 02/10/1981 |
| 4247994 | Tee located device for indicating the position of a cup in a golf course green A device for indicating to a golfer the location of the cup in the green of a hole on a golf course is composed of a plate that is either itself bodily shaped and formed to correspond on a relative basis to the shape and size of the green or is of a subst... | 02/03/1981 |
| 4244241 | Final drive units for motor vehicles The disclosure relates to a final drive unit for a motor vehicle in which a differential has a rotatable planet wheel carrier formed with hollow axial extensions on both sides thereof through which the output drives extend. One of the extensions is suppor... | 01/13/1981 |
| 4244550 | Umbrella supporting device for bicycle An umbrella supporting device for detachably supporting an umbrella substantially in an upright position at the center of the handlebar of a bicycle. A supporting post is removably attached substantially in an upright position to the stem of the handlebar... | 01/13/1981 |
| 4241385 | Car light with detachable plug A car light having a variety of practical applications, for example, as a map light with its detachable plug being retained and as an illuminating or warning light for use outside of a car with the plug being detached from the body of the car light. The p... | 12/23/1980 |
| 4237175 | Carbon-filament reinforced gear A carbon-filament reinforced gear material of laminated structure has layers of carbon filaments. The gear material includes a plurality of circular fabrics each having warps and wefts composed of a plurality of carbon filaments. The circular fabrics are ... | 12/02/1980 |
| 4230728 | Package for laver-wrapped rice-ball or "Onigiri" A package for temporarily hand-packing a rice-ball of triangular shape together with a sheet of dry laver until the former is field-wrapped with the latter so as to prepare a laver-wrapped rice-ball or "Onigiri". The package includes a packing sheet of sq... | 10/28/1980 |
| 4212505 | Bearing assemblies A railway bearing housing has a cylindrical bore in which a cylindrical bearing liner is seated to receive a railway vehicle axle, at least one cavity being formed in the lower part of the housing and extending along the length of the housing to contain l... | 07/15/1980 |
| 4211522 | Oil-injected rotary compressors A method of draining oil from a transmission housing, of an oil-injected screw compressor comprising a compressor housing containing rotor means and a transmission housing. A shaft of the compressor extends into the transmission housing from the compresso... | 07/08/1980 |
| 4198234 | Sintered metal articles A process for the manufacture of sintered metal articles includes the steps of selecting a prealloy powder having a composition consisting essentially of 10-18% chromium, 2-6% iron, 2-6% silicon, 2-6% boron, 0.5-2% carbon, balance nickel, mixing the preal... | 04/15/1980 |
| 4194428 | Keyboard musical instrument A keyboard musical instrument utilizes a magnetic action to strike a resonator element with a hammer in response to playing of a pivotally mounted key, the magnetic action including a pair of opposite polarity magnetic poles mounted on an actuating end of... | 03/25/1980 |
| 4193631 | Head/neck support for vehicle seats A head/neck support for a vehicle seat comprises a cushioned head rest having a support frame which is mounted on a spindle attached to the upper end of a post projecting from the seat back. The spindle carries two spaced detents engageable with two membe... | 03/18/1980 |
| 4186943 | Security devices A sheet element, such as a banknote or other document of intrinsic value, incorporating an optical authenticating device comprising a thin film element, preferably in the form of a strip, or thread disposed within the thickness of the sheet element and ha... | 02/05/1980 |
| 4183114 | Rear window wiper mechanism for a motor vehicle A window wiper mechanism for an opening rear window of a motor vehicle comprises a motor unit mounted on a fixed part of a vehicle body a flexible output drive extending to a guide adjacent the window and then along the inner side of the window adjacent a... | 01/15/1980 |
