Famous Patents
In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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 |
| 5509601 | Internal package spacer/protector This invention relates to an internal package spacer/protector device for frangible soft foodstuffs. The device is readily molded of thermoplastic material and especially suitable for insertion into the subject packages to support the cover portins of lar... | 04/23/1996 |
| 5339577 | Laminated non-combustible board for forming ductwork and headers The present invention relates to a laminated structural sheet material or board having a planar configuration and comprising a hollow core portion and metallic foil exterior surfaces especially useful for forming ductwork, headers and deflectors in heatin... | 08/23/1994 |
| 4958770 | Process for making uniform porosity flexible irrigation pipe This invention relates to the manufacture of flexible porous irrigation pipe having an essentially uniform porosity throughout its length which is produced by extruding an essentially moisture-free non-homogeneous, mixture of pre-vulcanized elastomeric pa... | 09/25/1990 |
| 4680016 | Apparatus and method for rimming containers This invention relates to improved apparatus and method for forming the rim portion of frustoconically-shaped containers, preferably formed of paper or thermoplastic material. The invention is especially adapted to forming the helicoidal rim on the mouth ... | 07/14/1987 |
| 4466532 | Replaceable finger elements for transporting hot glass articles This invention relates to conveyor systems and more particularly to article handling or positioning mechanisms for serially conveying or transporting hot glass containers between two or more work stations and into precise locations on alignment. The syste... | 08/21/1984 |
| 4425802 | Apparatus and method for testing tube welds This invention relates to apparatus and method for testing tube welds, and more specifically the seams or joints of tubular metal pipe which may be tested rapidly and efficiently under mechanical load conditions which are applied stepwise.... | 01/17/1984 |
| 4288191 | Hay bale handling mechanism A vehicle-mounted carrier and dispenser for a cylindrical hay bale of substantial size and weight. An elongated finger-support member is pivotally mounted on the bed of a pick-up truck, a tractor hitch or other vehicle. The finger support member is T-shap... | 09/08/1981 |
| 4264350 | Method of treating glass forming molds and the like The present invention relates to a process for treating molten glass contacting surfaces including forming molds, gob chutes, neck rings, and the like, with an organic solution of a metal organic phosphate having a finely-divided lubricious filler dispers... | 04/28/1981 |
| 4256028 | Method and apparatus for making plastic preforms for packaging containers This invention relates to method and apparatus for making plastic tubular preforms for assemblying bottles or other containers into individual mutli-unit packages. The bottles for an integral multi-container package are arranged in a tightly-assembled gro... | 03/17/1981 |
| 4233262 | Method of forming blown polyethylene terephthalate containers A method is disclosed for blow molding polyethylene terephthalate preforms, such as injection molded parisons, to achieve exterior surface indentations on blown containers without using profiled mold cavity walls. In the method, a profile is molded or oth... | 11/11/1980 |
| 4215089 | Method for blow molding hollow article with integrally bonded attachment A method for making a hollow plastic article having a separate full ring-shaped member bonded to the article within the blow mold. Separate halves of the ring-shaped member are inserted into respective halves of the blow mold and such member halves are jo... | 07/29/1980 |
| 4202660 | Glass-ceramic article and method of making same Disclosed is an assembly or matrix comprising an arrangement of integrally fused tubes forming a series of nonporous, longitudinal parallel passageways therethrough. The matrix is of a low-expansion ceramic material and the passageways therethrough have t... | 05/13/1980 |
| 4165356 | Method of forming tubular plastic material having a flare-top edge using a blow head The method permits selective cooling of tubular plastic material as formed to provide for an exchange of internal cooling air through the central opening of the blow head. Air supply rings having outlet slots facing the tubing, as well as air guide surfac... | 08/21/1979 |
| 4160672 | Glass-ceramics for semiconductor doping Disclosed are B2 O3 -containing glass-ceramic bodies made by in situ thermal crystallization of glasses and useful as a host for diffusion doping of semiconductors by the vapor phase transport of B2 O3 to the se... | 07/10/1979 |
| 4143180 | Article marking method A method for article coding using transparent indicia formed essentially of aluminum monohydrate. An article may be marked with a serial number or the like with a liquid material consisting essentially of aluminum monohydrate. When dried, the marking will... | 03/06/1979 |
| 4139094 | Carrier for bottles A single piece semi-rigid plastic carrier for glass containers is provided with the carrier comprising a planar top panel, which includes gripping means and a plurality of apertures adapted to supportingly receive a plurality of containers for holding sam... | 02/13/1979 |
| 4134513 | Child-resistant safety closure A child-resistant, safety closure for a container having a dispensing end including a threaded neck portion onto which the closure is adapted to be threadably assembled. The closure includes an interiorly threaded sidewall having a flexible and resilientl... | 01/16/1979 |
| 4123631 | Touch switch An improved touch actuated capacitance switch. A series of conductive touch pads are formed on one face of a dielectric material substrate plate. The touch pads are deposited by techniques which result in metallic films that are quite sensitive to damage ... | 10/31/1978 |
| 4119235 | Plastic drum with metal handling ring Disclosed is a method of making a plastic drum having a radially extending projection near its top to which is crimped a circumferential metal carrier ring adapted to be grasped by conventional metal drum chime handling devices; and the resulting product.... | 10/10/1978 |
| 4118163 | Plastic extrusion and apparatus Disclosed is a screw extruder apparatus, having passages to drain melt as formed into a central bore of the screw, which is physically separated by seal means into a first zone on the feed side advancing plastic toward said seal and a second zone on the o... | 10/03/1978 |
| 4117062 | Method for making a plastic container adapted to be grasped by steel drum chime-handling devices Disclosed is a method of making a hollow plastic article by blow molding, followed by reshaping said article by mechanical means outside the blow mold. Also disclosed is a plastic drum having an integral upstanding peripheral plastic rim adapted to be gra... | 09/26/1978 |
| 4117235 | Novel preparation of novel low molecular weight, liquid polymer There is disclosed a process for preparing low molecular weight, low viscosity, liquid polymeric materials by the polymerization of at least one selected acrylic monomer under a pressure in excess of atmospheric pressure and at a temperature not exceeding... | 09/26/1978 |
| 4114779 | Bung hole assembly An improved closure assembly for plastic drums is provided which includes female buttress threads formed on a tubular projection of the drum head, and an adaptor inserted into the tubular projection threadably engaging the buttress threads, the adaptor ha... | 09/19/1978 |
| 4115363 | Linear copolyesters of isophthalic acid 4,4'-sulfonyldibenzoic acid, bis(4-beta-hydroxyethoxyphenyl) sulfone and ethylene glycol Linear copolyesters are contemplated having the following repeating units: ##STR1## and ##STR2## and --O--CH2 --CH2 --O-- in their backbone structure. These polyesters have utility in the packaging industry for packaging va... | 09/19/1978 |
| 4110315 | Molded container of polyester prepared from a bis(hydroxyethoxyphenyl)sulfone Improvements in methods for protecting comestibles, e.g., foodstuffs, medicines, and other like related substances are provided wherein these substances are enveloped in packages, preferably a molded container, which is formed from a linear copolyester co... | 08/29/1978 |
| 4103065 | Coated polycarbonates and acrylics Improved coatings on polycarbonate or acrylic articles are provided with the coating consisting essentially of the heat cured reaction product of the combination of a prescribed solvent-soluble further-curable organopolysiloxane, an alkylated melamine for... | 07/25/1978 |
| 4101207 | Preparation of liquid crystal containing polymeric structure There is disclosed the preparation of a liquid crystal containing structure by incorporating a liquid crystal substance into a polymeric matrix so as to form a thin, layer-like structure of controlled thickness. The resulting structure is highly suitable ... | 07/18/1978 |
| 4100001 | Thermally crystallizable glasses and glass-ceramics made therefrom Thermally crystallizable glass and glass-ceramic compositions, having a narrow critical range of compositions coming within the SiO2 -Al2 O3 -Li2 O system, consist essentially of SiO2, Al2 ... | 07/11/1978 |
| 4100303 | Isophthalic acid/P,P-sulfonyldibenzoic acid/ethylene glycol/neopentyl glycol polyester compositions and containers made therefrom Copolyesters having an oxygen permeability of less than 15 cc.multidot.mil/100 in.2 .multidot.day.multidot.atm. (at 50% relative humidity and about 73° F.) and a glass transition temperature in excess of 72° C. and having the following four r... | 07/11/1978 |
| 4098769 | Linear copolyesters Linear copolyesters formed from (A) isophthalic acid and, optionally, terephthalic acid and (B) bis(4-beta-hydroxyethoxyphenyl) sulfone and ethylene glycol are described. The linear polyesters contemplated have glass transition temperatures higher than th... | 07/04/1978 |
| 4076541 | Glasses suitable for laser application, glass lasers, and method for making same Disclosed are phosphate glasses containing BaO, K2 O, Al2 O3 and Nd2 O3 and containing only very low amounts of water and a method of making such glasses.... | 02/28/1978 |
| 4076513 | Method for making transverse tube recuperator Disclosed is an assembly or matrix comprising an arrangement of integrally fused tubes forming a series of nonporous, longitudinal parallel passageways therethrough. The matrix is of a low-expansion ceramic material and the passageways therethrough have t... | 02/28/1978 |
| 4076152 | Fitment-retaining closure A fitment-retaining closure adapted to facilitate simultaneous application of the closure and fitment to a container and allow the fitment to remain on the container upon removal of the closure. The closure includes a plurality of fitment-retaining, flexi... | 02/28/1978 |
| 4076693 | Terephthalic acid/p,p-sulfonyldibenzoic acid/ethylene glycol/neopentyl glycol polyester compositions and containers made therefrom Copolyesters having an oxygen permeability of less than 15 cc. mil/100 in.2 .multidot.day.multidot.atm. (at 50% relative humidity and about 73° F.) and a glass transition temperature in excess of 72° C. and having the following four (4) repea... | 02/28/1978 |
| 4073949 | Terephthalic acid/P,P-sulfonyldibenzoic acid/ethylene glycol/neopentyl glycol polyester compositions and containers made therefrom Copolyesters having an oxygen permeability of less than 15 cc.multidot.mil/100 in.2 .multidot.day.multidot.atm. (at 50% relative humidity and about 73° F.) and a glass transition temperature in excess of 72° C. and having the following four r... | 02/14/1978 |
| 4073655 | Glasses, thermally stable high (beta)-cristobalite glass-ceramics and method Thermally stable high (beta)-cristobalite glass-ceramics suitable for making articles such as refractory linings for ovens, furnaces, and the like and which do not undergo transition to the low (alpha)-cristobalite crystal phases upon cooling of the ceram... | 02/14/1978 |
| 4072244 | Linerless closure A linerless closure for a container having a neck portion terminating at its end in an annular rim defining the periphery of an open mouth, the annular rim including a substantially flat portion lying in a plane normal to the longitudinal axis of the neck... | 02/07/1978 |
| 4069937 | Linerless closure A linerless closure for a container having a neck portion terminating at its end in an annular rim defining the periphery of an open mouth, the closure including a top panel with a depending cylindrical skirt adapted to engage the neck of the container. A... | 01/24/1978 |
| 4069031 | Process for forming two different indices of refraction in a glass ceramic Thermally crystallizable glasses of the Na2 O--Ta2 O5 --SiO2 and the Na2 O--Li2 O--Ta2 O5 --SiO2 systems, and glass-ceramics made therefrom which are highly tran... | 01/17/1978 |
| 4060889 | Method of forming flexible electrical circuit connections A system for the connection of flexible electrical circuits to electrical components, particularly gas discharge panels. Flexible circuits are used to carry electrical signals to and/or from various electrical components. In the case of gas discharge pane... | 12/06/1977 |
