Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 4467588 | Separated packaging and sterile processing for liquid-powder mixing Provided is a process for preparing an aseptic container for separately storing a sterilized powdered component and a sterilized liquid component under clean conditions. The container includes two sealed chambers having a frangible, sterilized connection ... | 08/28/1984 |
| 4458468 | Method for producing non-planar sanitary napkins A method for packaging and shaping sanitary napkins (10) in a container (44) is described. The method comprises advancing a succession of pre-moistened, embossed sanitary napkins (10) along a predetermined path (30), deflecting the ends of the napkins (10... | 07/10/1984 |
| 4453369 | Method of producing seed marker tabs An improved seed marker tab comprising an elongated flat tab element proportioned to have one end thereof inserted in the soil to a predetermined level with the other end thereof projecting above the soil. The tab is formed of stiff, relatively thin, self... | 06/12/1984 |
| 4435941 | Packaging machine A packaging machine for automatically packaging articles in a honeycomb structure which includes mechanisms for providing a honeycomb structure in an expanded condition in a loading station. The articles to be packaged are directed into the loading statio... | 03/13/1984 |
| 4398382 | Method for washing and coating as well as for dosage of EIA-rings and a device for carrying out the method A method and apparatus for washing the solid annular pieces used in immune methods, i.e. the so-called EIA-rings, and for coating such rings with a reagent, as well as for the dispensing of the rings. The EIA-rings are fitted, one after the other, into a ... | 08/16/1983 |
| 4397392 | Contained blood gas control A chemical seal for isolating the liquid phase of a contained liquid from the vapor phase present in the container headspace comprises a chemically impregnated gel formed by mixing a biopolymer gel, a high molecular weight polymer and chemical impregnants... | 08/09/1983 |
| 4393643 | Process for forming a barrier phase A process for forming a barrier phase between two incompatible phases comprising forming a thin layer of barrier material on the outer surface of a pin; placing the coated pin into a package or mold form designed to contain the total product; putting the ... | 07/19/1983 |
| 4390081 | Sawhorse and sawhorse kit and method of packaging thereof A sawhorse kit is disclosed having a top piece, leg members, brace members and fastener members. Channels, adapted to receive and seat a top portion of the leg members are formed in the top piece a sufficient distance from its ends to provide a work surfa... | 06/28/1983 |
| 4379384 | Method and apparatus for automatically packaging stockings A fully automatic system for folding stockings or a like long, substantially flat, non-rigid article around a cardboard insert, including foldable insert, and enclosing the stockings with the insert in an envelope of transparent, thermoplastic material. A... | 04/12/1983 |
| 4376500 | Expandable bag A fluid impervious expandable enclosed bag containing separately compartmented first and second gas generating components which, upon admixture in successive amounts, generate gas causing the bag to expand gradually from a collapsed condition to an ultima... | 03/15/1983 |
| 4376816 | Method for storing sheets of photothermographic sheet material A method for storing sheets of a photothermographic sheet material composed of a high molecular weight compound support and a sensitive emulsion comprising, as the indispendable constituents, an organic silver salt oxidizing agent, a reducing agent for si... | 03/15/1983 |
| 4372098 | Method of making an applicator package The method of forming applicator packages comprises the steps of feeding a continuous web of material, such as one comprising an aluminum foil having an inner coating of a thermoplastic material; forming successively a plurality of recesses along the web ... | 02/08/1983 |
| 4372100 | Process and apparatus for compounding hyperalimentation solutions A process and apparatus for mixing at least two parenteral solutions, sterilizing the resulting mixture, and transferring the sterilized mixture into an extensible, plastic receiving bag. The apparatus includes a mixing chamber into which the solutions ca... | 02/08/1983 |
| 4372102 | Method and apparatus for enumerative display and disposal of surgical sponges Apparatus for enumerative display and disposal of surgical sponges comprising a circular one piece molded plastic article adapted to be fit over the rim of a standard surgical kick bucket and a bag placed in the kick bucket. The article bears a predetermi... | 02/08/1983 |
| 4348421 | Process for reconstituting dehydrated food A utensil for reconstituting a two-component dehydrated dish includes three approximately cup-shaped container members having each a bottom wall and an annular wall transverse to the bottom wall and bounding an open side of the member opposite the bottom ... | 09/07/1982 |
| 4343135 | Support frame and method of making and packaging the same A support frame and method of making and packaging such frame which comprises a pair of similarly constructed end supports formed of readily bendable structural members, each having a specifically constructed notch configuration about which the structural... | 08/10/1982 |
| 4343134 | Flushable towelette Nonwoven fibrous sheets bonded with polyvinyl alcohol, intended for use in pre-moistened condition as skin cleansing tissues, are folded and packaged in closed containers or in individual sealed water impervious envelopes; said packaged sheets being maint... | 08/10/1982 |
| 4343133 | Polyvinyl acetate latex impregnated towelette Nonwoven fibrous sheets impregnated with latices of polyvinyl acetate or its copolymers containing polyvinyl alcohol, intended for use in pre-moistened condition as skin cleansing tissues, are folded and packaged in closed containers or in individual seal... | 08/10/1982 |
| 4313292 | Method and apparatus for enumerative display and disposal of surgical sponges Apparatus for enumerative display and disposal of surgical sponges comprising a circular one piece molded plastic article adapted to be fit over the rim of a standard surgical kick bucket and a bag placed in the kick bucket. The article bears a predetermi... | 02/02/1982 |
| 4304085 | Cocktail filling machine and method A machine and method which serves to introduce measured amounts of different items (e.g., pieces of different fruits) into containers such as cans or jars. Features of the machine and method include high filling speed, straight-line movement of means carr... | 12/08/1981 |
| 4295974 | Blood sample collection and phase separation device A blood collection tube is provided with a blood phase partitioning device disposed in the upper portion or adjacent the low density blood phase end of the tube. The device carries blood phase barrier gel-like material which flows through a restricted ori... | 10/20/1981 |
| 4281499 | Box packing machine and process A box packing machine and process for packing a shipping box such as a carton with a group of containers such as bottles and cans smoothly without interference between separators and containers. Separators are placed at predetermined positions inside an i... | 08/04/1981 |
| 4266941 | Method of assuring the quality of the results obtained from a blood gas analyzer Apparatus and method for assuring the quality of the results obtained from a blood gas analyzer. The apparatus comprises a device for storing blood gas quality control reagent comprising a first variable volume, gas impermeable container for receiving the... | 05/12/1981 |
| 4257211 | Lamp packaging An article containing carton, and method of assemblying it, for packaging a lamp and lamp shade in the same carton in a minimum of space and with little chance that the lamp and lamp shade will be damaged during transport. The lamp is attached to a first ... | 03/24/1981 |
| 4240242 | Sterile capping method for a plurality of I.V. bottles A method of sterile capping a plurality of I.V. bottles with temporary sterile caps. A plurality of caps are provided in a single sterile package, which package is opened within the confines of a sterile working environment and the caps distributed face-u... | 12/23/1980 |
| 4235065 | Method of packaging fragile articles A box-like container receives a deflated sealed expandable tube which is disposed with one sealed end as a first layer of the tube over the inside bottom wall of the container. Fragile articles are then laid on the upper side of this first layer in a rand... | 11/25/1980 |
| 4233802 | Packaging machine A packaging machine for automatically packaging articles in a honeycomb structure which includes mechanisms for providing a honeycomb structure in an expanded condition in a loading station. The articles to be packaged are directed into the loading statio... | 11/18/1980 |
| 4222889 | Method for encasing waste barrels in a leachproof closed sheath Radioactive wastes are encased in closed sheaths, the wastes to be solidified with binders and accommodated in barrels and the closed sheath to be resistant to water and aqueous solutions of natural mineral salts and to leaching, by completely surrounding... | 09/16/1980 |
| 4205750 | Double-seal container and method A container for holding articles and a method for forming this container. The container comprises a support structure having a first bag disposed inside of the support structure and a second bag sealed closely about the outside of the support structure. T... | 06/03/1980 |
| 4196564 | Method of manufacturing a joined capsule filled with viscous material A method is provided of manufacturing a joined telescoping vented cap-and-body capsule filled with viscous material, comprising the steps of filling the viscous material into the body part, closing the filled body part with a layer of pasty sealing compos... | 04/08/1980 |
| 4189896 | Liquid impregnating system A liquid impregnating system for impregnating, with a liquid, absorbent, compressible product maintained at least in part within the interior compartment of a tub or other container. The impregnating operation is carried out by compressing the product to ... | 02/26/1980 |
| 4184306 | Packaging method and apparatus A new packaging method and apparatus for positively nesting at least one workpiece in a base member comprised of permanently deformable material such as cellular urethane foam. The base member is electrostatically neutralized, cleaned and then moved onto ... | 01/22/1980 |
| 4184237 | Method of making a cushion construction A mixture of shredded polyurethane foam pieces and pieces of polyester matting is placed in a bag formed of polyester matting which is in turn placed in a cover formed of upholstery material to provide a soft, resilient seat cushion.... | 01/22/1980 |
| 4174598 | Method for making a packaged gel refrigerant A method for making packaged gel refrigerant. Polyethylene tubing having a gusset fold along each side edge is cut off in desired lengths and one end of each is heat-sealed. A metered amount of dry, powdered gel base is inserted, and the other end of the ... | 11/20/1979 |
| 4138835 | Method and apparatus for preparing a casing loaded with a plurality of articles A method and apparatus for preparing a casing loaded with a plurality of articles such as small-sized electronic parts for use in the electronic industries, which ensures that the stored parts will be positively and stably aligned in the casing without th... | 02/13/1979 |
| 4136141 | Method of cushioning commodities in containers with foamed in place cellular plastic material A commodity to be packaged in a carton, box or another type of container is foamed in place while being held by distancing elements which extend into the interior of the container. The distancing elements are retracted upon completion of the foaming step,... | 01/23/1979 |
| 4121400 | Apparatus for and method of compacting contents in and filling liquid into containers An apparatus and method according to which articles such as pickles are packed into open top containers such as jars and concurrently with operation of a compacting device filled with a desired liquid. By way of example while pickles are pressed into jars... | 10/24/1978 |
| 4078359 | Method of making a pressure-operated container for viscous products The invention contemplates a method of product-loading a pressure-operated dispensing container upon the head end of a selected piston whereby the weight of loaded product so axially compresses a locally resilient band of the selected piston that the pist... | 03/14/1978 |
| 4051652 | Method and apparatus for packaging yarn packages doffed from a yarn producing machine Method for packaging in a carton full size yarn packages by a yarn producing machine provided with a plurality of yarn package producing units. A predetermined number of full size yarn packages are firstly doffed from the corresponding spindles of the yar... | 10/04/1977 |
| 4040229 | Method of making a package construction for baseball type playing components A method of making a package construction for baseball type playing components is provided which comprises a ball tee member and ball bat telescoped within the tee member and may include one or more balls.... | 08/09/1977 |
