Bizarre Patents
A hand wearable body squeegee comprising a glove portion, a concave squeegee band, and a linear squeegee band.
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 |
| 7438773 | Method of manufacturing a blind threaded insert A method of manufacturing a blind threaded insert from metal which method comprises the steps of at least partially forming the insert, by a cold-forming process, other than the internal thread; forming the internal thread; and annealing the appropriate part of the ... | 10/21/2008 |
| 7247099 | Screw with a partially hardened functional tip and process for the production thereof In a process for the production of a screw comprising a low-alloy carbon steel, having a head, an adjoining holding portion and a functional tip which, in the outer region of limited radial depth, is of a greater hardness than the holding portion, in which the screw... | 07/24/2007 |
| 6752880 | Quenched and tempered steel wire with excellent cold forging properties Steel wires and steel rods with excellent cold forging properties and used in a manufacture of various machine components, which have relatively high strengths, are disclosed. The steel wires are produced by maintaining a product (n×YS) of a yield strength (YS) and... | 06/22/2004 |
| 6706127 | Lean manufacturing process for making ball-screw racks A method of making a ball-screw rack bar for use in a power steering mechanism of an automotive vehicle. Transverse rack teeth are cut in an exterior surface of a first end portion of a length of a bar stock. A ball-screw thread is cut in an exterior surface of a se... | 03/16/2004 |
| 6605166 | Method for manufacturing high strength bolt excellent in resistance to delayed fracture and to relaxation A high-strength bolt having excellent delayed fracture resistance and stress relaxation resistance in addition to a tensile strength of 1200 N/mm2 or higher is disclosed. A steel material for the high-strength bolt includes C: 0.50 to 1.0% by m... | 08/12/2003 |
| 6364972 | Method for selectively hardening a carbon steel screw A carbon steel screw has one or more portions which have been selectively hardened by selective heat treatment and quenching. In one embodiment, an upper portion of the screw head is selectively hardened to prevent or reduce damage when torque is applied ... | 04/02/2002 |
| 6274200 | Method for preparing pre-coated ferrous-alloy components and components prepared thereby A ferrous-alloy aircraft structural component such as a fastener is prepared by providing a ferrous-alloy component precursor that is not in its final heat-treated state, and coating with an aluminum-containing, curable organic coating material having a n... | 08/14/2001 |
| 6174390 | Spiral parts heat treatment apparatus and method, and spiral part A spiral parts heat treatment apparatus includes a first guide, a transfer unit, a second guide, and a controller. The first guide has a carrier portion that continuously conveys the manufactured spiral parts carried thereon in a longitudinal direction. T... | 01/16/2001 |
| 5803993 | Outer ring for high strength constant velocity joint and production process for same The present invention provides an outer ring for a high strength constant velocity joint which has an excellent torsional strength and torsional fatigue strength and can provide an improved processability, and a process for producing the same. An outer ri... | 09/08/1998 |
| 5746845 | Method for manufacturing high-strength member of precipitation hardening martensitic stainless steel A high-strength member of precipitation hardening martensitic steel is manufactured through the steps of heating precipitation hardening martensitic stainless steel at an austenitizing temperature, performing the first plastic working at a temperature bet... | 05/05/1998 |
| 5340412 | Method of fluorinated nitriding of austenitic stainless steel screw An austenitic stainless steel screw having a nitride hard layer on its surface to prevent corrosion on parts of the screw such as a screw head which is in contact with the environment by removing a portion of the nitride hard layer to expose austenitic st... | 08/23/1994 |
| 5308286 | Device for manufacturing austenitic stainless steel drill screws A method for manufacturing drill screws from austenitic stainless steel, which offers sufficient hardness for drilling and tapping into sheet iron and avoids the problems of intergranular corrosion and other erosions by taking full advantage of hardenabil... | 05/03/1994 |
| 5223052 | Method of treating surfaces of rotors of the screw type rotary machine A method treating a surface of rotors in a screw-type rotary fluid machine, with the method comprising the steps of: conducting a non-electrolytic Ni plating on the surface of each rotor so as to form a first layer of non-electrolytic Ni plating layer; he... | 06/29/1993 |
| 5186688 | Method of manufacturing austenitic stainless steel drill screws A method for manufacturing drill screws from austenitic stainless steel, which offers sufficient hardness for drilling and tapping into sheet iron and avoids the problems of intergranular corrosion and other erosions by taking full advantage of hardenabil... | 02/16/1993 |
| 4838961 | Method of manufacturing high strength blank a bolt A high strength bolt made of a steel having a specifically defined chemical composition, i.e., by weight C: 0.30-0.50%; Si: not more than 0.15%; Mn: not more than 0.40%; Cr: 0.30-1.50%; Mo: 0.10-0.70%; and V: 0.15-0.40%, the balance being Fe and inevitabl... | 06/13/1989 |
| 4459164 | Method and apparatus for compensating for axial deformation of screw shafts due to heat treatment A method and apparatus for compensating for axial deformation of screw shafts due to heat treatment, wherein in the process of hardening of a screw shaft, the screw shaft is twisted to produce permanent twist deformation by an amount corresponding to the ... | 07/10/1984 |
| 4233880 | Stainless steel drill screw A drilling and tapping screw constructed from a 300 series stainless steel material which has the corrosive resistance of the high chromium high nickel content stainless steel while still being capable of drilling through carbon steel materials or the lik... | 11/18/1980 |
| 4170495 | Method and means for hardening and hot-zincing iron and steel products A method for hot-zincing and hardening iron and steel products. After removing grease from the products they are heated to austenitizing temperature and are subsequently introduced directly into a zinc bath for simultaneous zincing and hardening.... | 10/09/1979 |
| 4154629 | Process of case hardening martensitic stainless steels A process for case hardening martensitic stainless steels comprising the steps of forming non-explosive and neutral or weakly reducing atmosphere consisting essentially of 97.5% to 95% by volume of nitrogen gas, 0.5% to 1.5% by volume of carbon monoxide a... | 05/15/1979 |
| 4021274 | Method for heat treating by induced current Steel workpieces, such as thread-forming screws and bolts, tapping tools, and the like, are hardened in localized areas to controlled depths of hardening by utilizing loose electromagnetic coupling between the workpiece and the induction coil. The loose c... | 05/03/1977 |
