Bizarre Patents
An enclosure for small animals which is wearable on the front or back of an animate being.
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 |
| 6364008 | Heat exchanger with tube plates A heat exchanger comprising plates of thermoplastic tubes arranged in a way which minimizes the thermal resistance at the outer surface of the tubes preferably to not more than 5 times the resistance to heat transfer at the inside of the tubes. The tubes ... | 04/02/2002 |
| 6180038 | Method for bonding of tubes of thermoplastics polymers A method for bonding a tube into a device each of which is formed from a thermoplastic polymer. The device has first and second solid members in spaced apart relationship to form a hollow cavity therebetween. At least one linear channel extends through ea... | 01/30/2001 |
| 6162317 | Heat exchanger tubing with yarn turbulator A process and the product thereof, wherein thermoplastic tubing for use in a heat exchanger is extruded with a multifilament yarn inside to act as a turbulator. The extrusion is started with a small rod or a lead-in wire pushing the end of the yarn throug... | 12/19/2000 |
| 6001291 | Method of bonding tubes into an article A method for bonding tubes into an article, each of which is formed from a thermoplastic polymer, especially an aliphatic polyamide. The article has a plurality of channels into which tubes are placed in sliding engagement. The article is moved towards a ... | 12/14/1999 |
| 5447975 | PVF of improved thermal stability Mixtures of PVF, bis-phenol-epichlorohydrin copolymer, hindered phenol, phosphite and mercaptoarylimidazole permit formation of thick PVF articles.... | 09/05/1995 |
| 5304413 | Molded PVF laminar structures Laminar structures of PVF and substantially amorphous resin such as PEKK, backfilled with injection molding resin, exhibit an excellent combination of physical and aesthetic properties.... | 04/19/1994 |
| 5250356 | Cookware coating system Metal cookware coated with a multilayer system including a primer with more Al2 O3 and a blend of PTFE and PFA or FEP, a midcoat with less Al2 O3, and a topcoat with PTFE, and processes for preparing such coatin... | 10/05/1993 |
| 5243126 | Conductive panel A panel is disclosed that is formed from a planar, substantially inflexible cellulosic substrate having a rough or uneven surface, at least one layer of paper or veneer and a layer of an electrically conductive wire mesh or metal foil interposed between t... | 09/07/1993 |
| 5240775 | Non-stick coating system with PTFE-PFA for concentration gradient Improved non-stick coating systems can be applied to untreated smooth substrate with a primer of polytetrafluoroethylene and a perfluorinated copolymer of tetrafluoroethylene and perfluoro vinyl ether to give a concentration gradient.... | 08/31/1993 |
| 5230961 | Non-stick coating system with PTFE-FEP for concentration gradient Improved non-stick coating systems can be applied to untreated smooth substrate with a primer of polytetrafluoroethylene and a perfluorinated copolymer of tetrafluoroethylene and hexafluoropropylene to give a concentration gradient.... | 07/27/1993 |
| 5223343 | Non-stick coating system with high and low melt viscosity PTFE for concentration gradient Improved non-stick coating systems can be applied to untreated smooth substrate with a primer of a first polytetrafluoroethylene having a melt viscosity over 1010 poises plus a second polytetrafluoroethylene having a melt viscosity in the range... | 06/29/1993 |
| 5187000 | Cellulosic construction panel A panel, especially a construction panel, formed from a substantially inflexible cellulosic substrate having a rough or uneven surface is disclosed. The substrate is coated with a layer of a grafted polyolefin and a layer of kraft paper or veneer. The pol... | 02/16/1993 |
| 5168107 | Non-stick coating system with PTFE of two low melt viscosities for concentration gradient Improved non-stick coating systems can be applied to untreated smooth substrate with a primer of polytetrafluoroethylene of two types, having higher and lower melt viscosities, to give a concentration gradient.... | 12/01/1992 |
| 5168013 | Non-stick coating system with high and low melt viscosity PTFE for concentration gradient Improved non-stick coating systems can be applied to untreated smooth substrate with a primer of a first polytetrafluoroethylene having a melt viscosity over 1010 poises plus a second polytetrafluoroethylene having a melt viscosity in the range... | 12/01/1992 |
| 5160791 | Non-stick coating system with two perfluorocarbon resins in topcoat for concentration gradient Improved non-stick coating systems can be applied on a primer with a topcoat containing two types of perfluorocarbon resin, one with a melt viscosity above about 1010 poises, the other with a melt viscosity in the range of 103 to 10 | 11/03/1992 |
| 5130352 | Suppression of degradation of lignocellulose/polyethylene compositions Mouldable filled polyethylene compositions containing particulate lignocellulosic fillers are disclosed. The compositions contain 0-89.97% (by weight of the composition) of polyethylene, 0.01-89.99% (by weight of the composition) of grafted polymer, 10-60... | 07/14/1992 |
| 5079073 | Non-stick coating system with thin undercoat of polyamide imide Improved non-stick coating systems can be applied to untreated smooth substrate with a polyamide-imide undercoat 0.1-5.0 microns thick preferably containing colloidal silica and surfactant.... | 01/07/1992 |
| 5071695 | Non-stick coating system with two thin undercoats, the first being polysiloxane Non-stick coating systems can be applied to untreated smooth glass and ceramic substrates with a polysiloxane undercoat overlaid with a second undercoat of polyamide imide preferably containing colloidal silica and surfactant, with each undercoat in the r... | 12/10/1991 |
| 5049437 | Non-stick coating system with thin undercoat of polyether sulfone Improved non-stick coating systems can be applied to untreated smooth substrate with a polyether sulfone undercoat 0.1-5.0 microns thick preferably containing colloidal silica and surfactant.... | 09/17/1991 |
| 4985191 | Method of fabricating a pinch valve A pinch valve is fabricated by providing an elongated tubular housing with a cut-back portion at an outlet end, applying adhesive to the cut back portion, with a ring around the cut-back portion, placing the housing and ring in a mold and heating all thre... | 01/15/1991 |
| 4984765 | Mold fill coupling A mold fill coupling combined with a pinch fill valve and an overflow valve permits filling of a mold at one station and disconnecting the fill valve without rotating the mold.... | 01/15/1991 |
| 4974813 | Mold fill coupling A mold fill coupling combined with a pinch fill valve and an overflow valve permits filling of a mold at one station and disconnecting the fill valve without rotating the mold.... | 12/04/1990 |
| 4960263 | Mold fill coupling A mold fill coupling combined with a pinch fill valve and an overflow valve permits filling of a mold at one station and disconnecting the fill valve without rotating the mold.... | 10/02/1990 |
| 4958888 | Low stress concentration cutout countertop A countertop having a cutout portion, preferably for inserting a kitchen appliance with an overlapping flange, has corners with stress relief radii cut into the wider sides of the countertop to maximize the radii while keeping the cutout hidden under the ... | 09/25/1990 |
| 4925765 | Negative solid block toner Negatively chargeable toner containing block copolymers for electrostatic reprography, giving improved compatibility with the toner resin and higher triboelectric charging. Preferred are block copolymers of styrene, methyl methacrylate and butyl methacryl... | 05/15/1990 |
| 4925764 | Positive solid block toner Positively chargeable toner containing block copolymers for electrostatic reprography, giving improved compatibility with the toner resin. Preferred are block copolymers of styrene with methyl methacrylate and butyl methacrylate as one block and dimethyla... | 05/15/1990 |
| 4891401 | Pigment dispersant resin with P-containing acid Acrylic polymers with carboxylic acid and small amounts of phosphorus-containing strong acids are good pigment dispersants for use in water-based coating compositions.... | 01/02/1990 |
| 4888383 | Method for aqueous dispersion of polyurethane modified polyacrylics A method for preparing a stable aqueous dispersion of polyurethane modified polyacrylic involving chain extension of polyacrylic with isocyanate and hydroxyl- or amino-functional groups.... | 12/19/1989 |
| 4888372 | High solids solvent-based polyester coating composition A 20-25% weight spray solids coating composition can be achieved with a binder consisting of about 30% polyester, 25% melamine crosslinker, 7% of cellulose acetate butyrate and 25% acrylic resin containing a thixotropic agent.... | 12/19/1989 |
| 4888373 | Higher solids solvent-based polyseter coating composition A 35-40% weight spray solids coating composition can be achieved with a binder consisting of about 35% polyester, 30% melamine crosslinker and 30% acrylic resin containing a thixotropic agent.... | 12/19/1989 |
| 4853278 | Coated cookware An aluminum insert for a rice cooker is coated before drawing with a three-layer release coating. The coated insert is then deep drawn without damaging the coating. The coating has a high proportion of polytetrafluoroethylene to polyamide-imide and a low ... | 08/01/1989 |
| 4818350 | Method of making a rice cooker An aluminum insert for a rice cooker is coated before drawing with a three-layer release coating. The coated insert is then deep drawn without damaging the coating. The coating has a high proportion of polytetrafluoroethylene to polyamide-imide and a low ... | 04/04/1989 |
| 4794144 | Acrylic star polymers containing multi-functional monomers in the core, made by group transfer polymerization Large acrylic star polymers containing multifunctional monomers in the core are made by group transfer polymerization techniques, preferably by arm-first, core-first, or arm-core-arm approaches.... | 12/27/1988 |
| 4759774 | Process for cleaning substrates Particulate polymethyl methacrylate polymerized in the presence of alumina trihydrate filler provides a superior blasting media for cleaning surfaces, such as for stripping paint from sensitive substrates like aluminum aircraft skin.... | 07/26/1988 |
| 4736003 | Enhanced livingness of polymerization using silylated oxyanions Silylated oxyanion catalysts, such as trimethyl silyl 3-chlorobenzoate, provide increased livingness of group transfer polymerization, thereby permitting higher molecular weights and polymerization efficiencies.... | 04/05/1988 |
| 4711929 | Acrylourethane reaction product The ungelled reaction product of an acrylic prepolymer, a diol and a diisocyanate, reacted in the presence of a small amount of a monoalcohol to prevent gelling, is an acrylourethane polymer which may be acid modified and is useful in high solids coating ... | 12/08/1987 |
| 4698382 | Plasticized poly(vinyl fluoride) Polyvinyl fluoride is plasticized with trimethyltrimellitate or related low molecular weight mellitates or phthalates without exudation.... | 10/06/1987 |
| 4698110 | Preparation of fluoropolymer coated material A process for coating polyvinyl fluoride layers on one or both sides of a textile material in the form of a coalesced gel which is subsequently cured by heating.... | 10/06/1987 |
| 4695607 | Group transfer processes for acrylic star polymers Large acrylic star polymers, are made by group transfer polymerization techniques by arm-first, core-first, or arm-core-arm approaches.... | 09/22/1987 |
| 4684577 | Non-stick silicone blend coating A blend of major amounts of a first silicon resin having relatively low proportions of silanol, phenyl and methyl groups with minor amounts of a second silicone resin having higher such proportions, preferably with aluminum flake, gives good adhesion to s... | 08/04/1987 |
