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 |
| 4671763 | Container with a unitary but removable closure and method and apparatus therefor A method and apparatus are provided for molding a container such as an ampoule with a hermetically sealed top or closure joined to the upper portion of the container with a peripheral frangible web. Main mold halves defining a cavity are provided with an ... | 06/09/1987 |
| 4671762 | Apparatus for filling a molded container with liquid contents An apparatus is disclosed for filling a molded container and includes an inner filling tube provided with a valve member disposed for sliding engagement within the filling tube. A system is provided for supplying the filling tube with liquid product under... | 06/09/1987 |
| 4623516 | Sterilizing method for an encapsulating machine A method for the sterilization of a machine used in the formation, filling and sealing of plastic containers. A source of sterilizing agent, such as steam, is used to sterilize the various passageways, filters, and components within the machine which, if ... | 11/18/1986 |
| 4596110 | Container with insert having a fully or partially encapsulating seal with a frangible web formed against said insert A blow-molded container is provided with an insert occluding its top opening. A closure structure at least partially encapsulates the insert article and includes a frangible web formed against the insert article. The container can be blow-molded in main m... | 06/24/1986 |
| 4569456 | Sealed container with replaceable plug insert A hermetically sealed container formed from thermoplastic material is provided with a hollow body having an open end terminating in a tapered wall defining a sealing region about an opening with a decreasing cross-sectional area in the direction toward th... | 02/11/1986 |
| 4540542 | Method for making a container with a unitary but removable closure A method and apparatus are provided for molding a container such as an ampoule with a hermetically sealed top or closure joined to the upper portion of the container with a peripheral frangible web. Main mold halves defining a cavity are provided with an ... | 09/10/1985 |
| 4526279 | Severing overcap for container An overcap is provided for use with a hermetically sealed container which includes at least an external thread on a peripheral portion of the container, a cover portion closing the container, and a frangible web joining the cover portion to the container ... | 07/02/1985 |
| 4519513 | Container having pierceable insert A thermoplastic container is shown having an insert sealing the container. The insert includes a membrane which can be pierced to provide access to the inside of the container to draw off a substance such as a sterile liquid. The insert is held by a retai... | 05/28/1985 |
| 4502614 | Sterilizing apparatus for an encapsulating machine An improved apparatus is described for the sterilization of a machine used in the formation, filling and sealing of plastic containers. A source of sterilizing agent, such as steam, is used to sterilize the various passageways, filters, and components wit... | 03/05/1985 |
| 4436210 | Threaded cap for severing a closure from a hermetically sealed container A cap threadedly receivable on a severable cover of a hermetically sealed container is provided. The cap has a reduced surface area for engaging an annular bearing surface of the container. Screwing the cap further down onto the container transmits opposi... | 03/13/1984 |
| 4425294 | Method for molding and filling a dispensing container having one or more removable closure means unitary therewith A method for forming a unitary, hermetically sealed dispensing container wherein a first mandrel is provided to blow-mold the container and wherein a second mandrel is provided for subsequently filling the formed container.... | 01/10/1984 |
| 4353398 | Sterilizing apparatus for an encapsulating machine An apparatus for the sterilization of a machine used in the formation, filling and sealing of plastic containers. A source of sterilizing agent, such as steam, is used to sterilize the various passageways, filters, and components within the machine which,... | 10/12/1982 |
| 4337025 | Apparatus for molding a container with offset parting line A mold assembly is provided for making a thermoplastic container having a bottom, side and unitary closure or top wall means with a parting line along a plane of symmetry in the bottom and sidewall means but with the parting line offset on the top wall me... | 06/29/1982 |
| 4298045 | Dispensing container with plural removable closure means unitary therewith A unitary, hermetically-sealed dispensing container, having plural removable closures and suitable for containing and dispensing sterile solutions, is provided. The removable closures are unitary with the container. The dispensing container comprises a se... | 11/03/1981 |
| 4258867 | Hermetically sealed container with twistable overcap A hermetically sealed container is provided with a neck portion having an end wall defining a container contents-dispensing aperture therein. The aperture is closed with a removable cap structure connected with a frangible web unitary with the end wall an... | 03/31/1981 |
| 4239726 | Method for forming, filling and sealing a container having plural closures A unitary, hermetically-sealed dispensing container, having plural removable closures and suitable for containing and dispensing sterile solutions, is provided. The removable closures are unitary with the container. The dispensing container comprises a se... | 12/16/1980 |
| 4226334 | Stopper A stopper is provided which is adapted to be held in place in an opening in a molded thermoplastic container that is molded about the stopper in place. The stopper has a substantially cylindrical body portion with a planar end surface at one end thereof a... | 10/07/1980 |
| 4207990 | Hermetically sealed container with plural access ports A hermetically sealed container with plural access ports is provided. The closure includes a severable dome unitary with the container and positioned over the container access opening. The dome is severable from the container by the action of a collar thr... | 06/17/1980 |
| 4178976 | Unitary, hermetically-sealed but pierceable dispensing container A unitary, hermetically-sealed but pierceable dispensing container, suitable for packaging parenteral solutions, is made from a flexible, generally tubular body of thermoplastic material utilizing a form, fill and seal technique and a movable, composite m... | 12/18/1979 |
| 4176153 | Unitary, hermetically-sealed but pierceable dispensing container A unitary, hermetically sealed but pierceable dispensing container, suitable for packaging parenteral solutions, is made from a flexible, generally tubular body of thermoplastic material utilizing a form, fill and seal technique and a movable, composite m... | 11/27/1979 |
